Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Web browsers request pages from web servers by using a URL. The is_dst parameter has no effect when using non-pytz timezone implementations. There are already 3 different versions of it on this page. For decoding in Node, I used: @Daan I didn't have enough rep to edit answers when I wrote this answerin 2011. Stack Overflow for Teams is moving to its own domain! The following Node.js snippet shows a function called generateSasToken that computes the token from the inputs resourceUri, signingKey, policyName, expiresInMins. The method a device uses to authenticate is defined when you set up an enrollment group or individual enrollment. Nice! To get authorization to connect to the provisioning service, services must send security tokens signed with either a shared access or symmetric key. Also, search for "JavaScript base64 encoding" turns up a lot of other options, and the above was the first one. In the "query" component of a URI (the part after a ? Note that this also works for webkit browsers, such as Safari. Once the device symmetric key has been derived, you can register the device using the previous examples. PhantomJS supports dynamic stuff like Google Maps. Read it again. btoa() accepts a string where each character represents an 8-bit byte if you pass a string containing characters that cant be represented in 8 bits, it will probably break. When an answer is such fundamentally correct and relevant after 9 years that you omit the date (: @BahramArdalan: The date is provided by StackOverflow. Thanks! Destructuring assignment allows you to unpack the parts out of this array easily, ignoring the If is_dst=True then the above time would be interpreted as 2:30 DST time (equivalent to 1:30 local time). Not the answer you're looking for? Perhaps provide a normally formatted version as well? To confirm, this supports UTF-8 characters? I'm not used to working with binary data. has no reserved purpose, unless a particular URI scheme says otherwise. See the Unicode section here. Unpacking values from a regular expression match. Sets or returns the left position of a positioned element, Sets or returns the space between characters in a text, Sets or returns the distance between lines in a text, Sets or returns listStyleImage, listStylePosition, and listStyleType in one declaration, Sets or returns an image as the list-item marker, Sets or returns the position of the list-item marker, Sets or returns the list-item marker type, Sets or returns the margins of an element (can have up to four values), Sets or returns the bottom margin of an element, Sets or returns the left margin of an element, Sets or returns the right margin of an element, Sets or returns the top margin of an element, Sets or returns the maximum height of an element, Sets or returns the maximum width of an element, Sets or returns the minimum height of an element, Sets or returns the minimum width of an element, Sets or returns where to navigate when using the arrow-down navigation key, Sets or returns the tabbing order for an element, Sets or returns where to navigate when using the arrow-left navigation key, Sets or returns where to navigate when using the arrow-right navigation key, Sets or returns where to navigate when using the arrow-up navigation key, Specifies how the contents of a replaced element should be fitted to the box established by its used height and width, Specifies the alignment of the replaced element inside its box, Sets or returns the opacity level for an element, Sets or returns the order of the flexible item, relative to the rest, Sets or returns the minimum number of lines for an element that must be left at the bottom of a page when a page break occurs inside an element, Sets or returns all the outline properties in one declaration, Sets or returns the color of the outline around a element, Offsets an outline, and draws it beyond the border edge, Sets or returns the style of the outline around an element, Sets or returns the width of the outline around an element, Sets or returns what to do with content that renders outside the element box, Specifies what to do with the left/right edges of the content, if it overflows the element's content area, Specifies what to do with the top/bottom edges of the content, if it overflows the element's content area, Sets or returns the padding of an element (can have up to four values), Sets or returns the bottom padding of an element, Sets or returns the left padding of an element, Sets or returns the right padding of an element, Sets or returns the top padding of an element, Sets or returns the page-break behavior after an element, Sets or returns the page-break behavior before an element, Sets or returns the page-break behavior inside an element, Sets or returns the perspective on how 3D elements are viewed, Sets or returns the bottom position of 3D elements, Sets or returns the type of positioning method used for an element (static, relative, absolute or fixed), Sets or returns the type of quotation marks for embedded quotations, Sets or returns whether or not an element is resizable by the user, Sets or returns the right position of a positioned element, Specifies whether to smoothly animate the scroll position, instead of a straight jump, when the user clicks on a link within a scrollable boxt, Sets or returns the way to lay out table cells, rows, and columns, Sets or returns the length of the tab-character, Sets or returns the horizontal alignment of text, Sets or returns how the last line of a block or a line right before a forced line break is aligned when text-align is "justify", Sets or returns the color of the text-decoration, Sets or returns the type of line in a text-decoration, Sets or returns the style of the line in a text decoration, Sets or returns the indentation of the first line of text, Sets or returns the justification method used when text-align is "justify", Sets or returns what should happen when text overflows the containing element, Sets or returns the shadow effect of a text, Sets or returns the capitalization of a text, Sets or returns the top position of a positioned element, Applies a 2D or 3D transformation to an element, Sets or returns the position of transformed elements, Sets or returns how nested elements are rendered in 3D space, A shorthand property for setting or returning the four transition properties, Sets or returns the CSS property that the transition effect is for, Sets or returns how many seconds or milliseconds a transition effect takes to complete, Sets or returns the speed curve of the transition effect, Sets or returns when the transition effect will start, Sets or returns whether the text should be overridden to support multiple languages in the same document, Sets or returns whether the text of an element can be selected or not, Sets or returns the vertical alignment of the content in an element, Sets or returns whether an element should be visible, Sets or returns how to handle tabs, line breaks and whitespace in a text, Sets or returns line breaking rules for non-CJK scripts, Sets or returns the spacing between words in a text, Allows long, unbreakable words to be broken and wrap to the next line, Sets or returns the minimum number of lines for an element that must be visible at the top of a page, Sets or returns the stack order of a positioned element. Non-anthropic, universal units of time for active SETI. For example /a/b is a prefix for /a/b/c but not for /a/bc. How often are they spotted? Here is an AngularJS Factory version of @user850789's one: Well, if you are using Dojo. Maybe this is supposed to not work, but at least I'd like to understand why then. First thing that comes to my mind - try to render your image to SVG (using domtoimage.toSvg), then render it yourself on canvas and try to play with that canvas' resolution somehow.It's probably possible to implement such feature as some kind of rendering option in the lib itself, so you can pass image dimensions in pixels. Unreserved characters have no such meanings. Here is how you encode normal text to base64 in Node.js: And here is how you decode base64 encoded strings: To encode an array of bytes using dojox.encoding.base64: Sunny's code is great except it breaks in InternetExplorer7 because of references to "this". Why does Q1 turn on and Q2 turn off when I apply 5 V? Everyone will know it's possible on the server side. This technique works well. before it is sent to the server. How do I send Tables with Telegram Bot API? This is great! Using Java, sometimes it is necessary to encode some data to send inside. The Service API supports key-based authentication for backend apps. It also supports functional programming since functions We of course have to be aware of the limitations of this method (please read about some of them in his answer). You just omitted the main part of the task: converting to PNG! An SVG-image has in principle infinite resolution, since it is vector graphics. The design of the language makes it possible to write a powerful program in a few lines. To trigger a file download on a button click we will use a custom function or HTML 5 download attribute. ;-). I am passing a simple val=somevalue in the PUT body but spring sends back a 400 Bad Request as it does not seem to recognise the val parameter.. The design of the language makes it possible to write a powerful program in a few lines. The character does not need to be percent-encoded when it has no reserved purpose. Click the "URL Encode" button to see how the JavaScript function encodes the Although if you want to serialize and send an object as a parameter to your key, the will still work Although if you want to serialize and send an object as a parameter to your key, the will still work Using Java, sometimes it is necessary to encode some data to send inside. The RFC2616 referenced as "HTTP/1.1 spec" is now obsolete. This is also useful when the base64 encoding is non-standard; in my case the "/" character wasn't used, and the "?" Percent-encoding, also known as URL encoding, is a mechanism for encoding information in a Uniform Resource Identifier (URI) under certain circumstances. control hardware devices. Anyone knows why this error? If is_dst=True then the above time would be interpreted as 2:30 DST time (equivalent to 1:30 local time). In JavaScript, PHP, and ASP there are functions that can be used to URL UTF8 strings for number of seconds since the epoch 00:00:00 UTC on 1 January 1970. Why can we add/substract/cross out chemical equations for Hess law? Why is there no passive form of the present/past/future perfect continuous? After searching a bit more, I found this issue that says it isn't deprecated, https://github.com/microsoft/TypeScript/issues/45566. It outputs better quality that HTML2Canvas and is still supported unlike HTML2Canvas. URIs that differ only by whether a reserved character is percent-encoded or appears literally are normally considered not The reason is this https://www.chromestatus.com/feature/5706745674465280 . Maybe this is supposed to not work, but at least I'd like to understand why then. The design of the language makes it possible to write a powerful program in a few lines. This article describes the available options for securing your Azure IoT Hub Device Provisioning Service (DPS). I would have avoided tearing my hair out with encodeURIComponent and str.replace(\n,\\n) SSH transfer of text: If you're trying to pass complex data over ssh (e.g. Similar request works with POST.Could it be SpringMVC is not recognizing the PUT request body as source for parameters?. In the question title you write about string conversion, but in the question you talk about binary data (picture) so here is a function which makes a proper conversion starting from PNG picture binary data (details and reversal conversion are here). Additionally, security tokens are limited in time validity and scope. Sadly, that's not possible (for security reasons?). For example, the word Frh (which means "early" in German) could be used as a variable name. First thing that comes to my mind - try to render your image to SVG (using. In order to receive an authenticated connection, devices must first be registered in the Device Provisioning Service through an enrollment. equivalent unless it can be determined that the reserved characters in question have no reserved purpose. The name of the shared access policy to which this token refers. I try to use this function and I receive the error: Caused by: org.mozilla.javascript.EcmaError: TypeError: Cannot find function replace in object teste teste teste I'm trying to encode .txt with "teste teste teste". Find centralized, trusted content and collaborate around the technologies you use most. Run it and zoom in with your browser to see that the resolution does not diminish as you zoom in. The 65th character is used as padding them the input string does not have a number of characters divisible by 3. Uniform Resource Name (URN). Unpacking values from a regular expression match. This is not a core functionality or there wouldn't be as many different high voted answers (including do-it-yourself tl;dr code). I don't remember if I tested in that particular browser. 2019Python>>> Why does everything need to be a jQuery plugin :c this is just core JavaScript functionality this has nothing to do with the DOM or jQuery. If you for example set scaling to 10, then you get a very good resolution in the generated PNG-image. Such scenarios include the direct use of the HTTP surface. Hope that helps! and the warning will disappear. But it often encodes what online decoders cannot decode! generally within the main Uniform Resource Identifier (URI) set, which includes both Uniform Resource Locator (URL) and When a character from the reserved set (a "reserved character") has special meaning (a "reserved purpose") in a certain context, I like to install code snippets like this into jQuery mainly because they'll exist in a controlled namespace. In 2014 it was replaced by RFCs 7230-7237. The only library that I got to work for Chrome, Firefox and MS Edge was rasterizeHTML. Approach 1: Using Download attribute The download attribute simply uses an anchor tag to prepare the location of the file that needs to be downloaded. For two values of the same sign, the two are equivalent, but when the operands are of different signs, the modulo result always has the same sign as the divisor, while the remainder has the same sign as the dividend, which can make them differ by one unit of d. To obtain a modulo in JavaScript, in place of n % d, use ((n % d) + d) % d. I'm sure it can be optimized in regards to performance as well. Grants read access to the device registration status. What is the equivalent way for BASE64Encoder(Java) in javascript? A fixed height solution will work just fine but dynamic height will require a bit more work. For two values of the same sign, the two are equivalent, but when the operands are of different signs, the modulo result always has the same sign as the divisor, while the remainder has the same sign as the dividend, which can make them differ by one unit of d. To obtain a modulo in JavaScript, in place of n % d, use ((n % d) + d) % d. You can add reference HtmlRenderer to your project and do the following. another issue, if the element is hidden or behind another element this will not work. For example. The service is also used by backend apps to programmatically manage both individual groups and enrollment groups. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. are then used in the URI in place of the reserved character. This code brought out the basic Cyrillic alphabet without problems. JavaScript supports object-oriented programming with object prototypes and classes. Percent-encoding, also known as URL encoding, is a mechanism for encoding information in a Uniform Resource Identifier (URI) under certain circumstances. I would humbly suggest that the use of encodeURIComponent may well result in a superior outcome with less expenditure of effort on the part of the developer. In this article. 2022 Moderator Election Q&A Question Collection, Base64 encoding and decoding in client-side Javascript. This answer saved my sanity. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to screenshot website in JavaScript client-side / how Google did it? I prefer women who cook good food, who speak three languages, and who go mountain hiking - what if it is a woman who only has one of the attributes? Maybe this is supposed to not work, but at least I'd like to understand why then. Although if you want to serialize and send an object as a parameter to your key, the will still work Although if you want to serialize and send an object as a parameter to your key, the will still work cburgmer.github.io/rasterizeHTML.js/rasterizeHTML.allinone.js, https://www.chromestatus.com/feature/5706745674465280, http://www.freakyjolly.com/convert-html-document-into-image-jpg-png-from-canvas/, https://html2canvas.hertzen.com/dist/html2canvas.js, Making location easier for developers with new data primitives, Stop requiring only one assertion per unit test: Multiple assertions are fine, Mobile app infrastructure being decommissioned. Please note that this is not suitable for raw Unicode strings! Similar request works with POST.Could it be SpringMVC is not recognizing the PUT request body as source for parameters?. I know this is quite an old question which already has a lot of answers, yet I still spent hours trying to actually do what I wanted: Using Chrome headless (version 74.0.3729.157 as of this response), it is actually easy: You could use PhantomJS, which is a headless webkit (the rendering engine in safari and (up until recently) chrome) driver. How to check whether a string contains a substring in JavaScript? @JonathanWagner - there are 64 characters used for the normal encoding. forEach undefined Azure IoT Hub Device Provisioning Service grants access to endpoints by verifying the token against the shared access policies. Please note the special consideration for Unicode strings: See my edit, @Triynko. namelookup The time, in seconds, it took from the start until the name resolving was completed.connect The time, in seconds, it took from the start until the TCP connect to the remote host(or p 1apache#httpd.confMaxClientsnetstat -an | grep ESTABLISHED | wc -l2httpd(preforkApache)ps aux|grep httpd|wc -l3, #, --progress-bar Display transfer progress as a progress bar, 's time on the local output How can I convert html page into image (any format), without using any external library in javascript (react)? I am also just realizing as I type this that you provided an edit that possibly made UTF8 work. jQuery was not requested. The best is to render the SVG data into an iframe (for isolated CSS scope) and use the resulting size for the canvas. each character in the string should be interpreted as a byte), and this code did corrupt the data. In JavaScript you can use the encodeURIComponent() function. Be careful with this code - it attempts to interpret your string as a UTF-8 encoded string. In some cases you may need to use the HTTP Device Provisioning Service REST APIs directly, without using the SDKs. So, I give two runnable snippets of code: The first one demonstrates the infinite resolution of an SVG. 2022 Moderator Election Q&A Question Collection. --retry-max-time SECONDS Retry only within this period How can we build a space probe's computer to survive centuries of interstellar travel? For example, the word Frh (which means "early" in German) could be used as a variable name. --retry-delay SECONDS When retrying, wait this many seconds between each Provides the author the ability to style an element with an iconic equivalent: imageOrientation: Specifies a rotation in the right or clockwise direction that a user agent applies to an image: isolation: Defines whether an element must create a new stacking content: justifyContent Determine if a string is in Base64 in JavaScript. Encode url from 'url encoder' to 'url+encoder' or 'url%20encoder'. Provides the author the ability to style an element with an iconic equivalent: imageOrientation: Specifies a rotation in the right or clockwise direction that a user agent applies to an image: isolation: Defines whether an element must create a new stacking content: justifyContent Permissions allow the authentication process to limit access to a service instance based on functionality. The following reference topics provide you with more information about controlling access to your IoT Device Provisioning Service. You can grant permissions in the following ways: Shared access authorization policies. To view code examples, see How to provision devices using symmetric key enrollment groups. In C, why limit || and && to evaluate to booleans? What exactly makes a black hole STAY a black hole? Does squeezing out liquid from shredded potatoes significantly reduce cook time? Is it possible to use this library, node js server side itself to generate image before it comes to browser? Most comments here are outdated. ooh my bad, I was taking the input from browser URL; where | is converted to %7C; hence the encoding also wrong.
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