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Hidden Features of C#? [closed]

... This isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it! I'm willing to bet that every production app has the following code, even though it shoul...
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Check if object is a jQuery object

... You may also use the .jquery property as described here: http://api.jquery.com/jquery-2/ var a = { what: "A regular JS object" }, b = $('body'); if ( a.jquery ) { // falsy, since it's undefined alert(' a is a jQuery object! '); } if ( b.jquery ) { // truthy, since it's a string...
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ASP.NET Web API Authentication

...rom a client application while using the ASP.NET Web API . I have watched all the videos on the site and also read this forum post . ...
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What does @hide mean in the Android source code?

...); } return PackageManager.PERMISSION_DENIED; } However, we can call it by reflection: Class c; c = Class.forName("android.app.ActivityManager"); Method m = c.getMethod("checkUidPermission", new Class[] {String.class, int.class}); Object o = m.invoke(null, new Object[]{"android.permissio...
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How to perform OR condition in django queryset?

...Update 2019-06-20: This is now fully documented in the Django 2.1 QuerySet API reference. More historic discussion can be found in DjangoProject ticket #21333. share | improve this answer |...
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Understanding implicit in Scala

..., which means the values will be taken from the context in which they are called. If there is no implicit value of the right type in scope, it will not compile. Since the implicit value must resolve to a single value and to avoid clashes, it's a good idea to make the type specific to its purpose, e....
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How is an HTTP POST request made in node.js?

... an example of using node.js to make a POST request to the Google Compiler API: // We need this to build our post string var querystring = require('querystring'); var http = require('http'); var fs = require('fs'); function PostCode(codestring) { // Build the post string from an object var pos...
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How to move child element from one parent to another using jQuery [duplicate]

... simple: $('#parentNode').append($('#childNode')); According to http://api.jquery.com/append/ You can also select an element on the page and insert it into another: $('.container').append($('h2')); If an element selected this way is inserted into a single location elsewhere in t...
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Need to ZIP an entire directory using Node.js

... How do I include all files and directories, recursively (also the hidden files/directories)? – Ionică Bizău Jan 12 '15 at 10:21 ...
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What is the difference between exit(0) and exit(1) in C?

...ccessful program termination & it is fully portable, While exit(1) (usually) indicates unsucessful termination. However, it's usage is non-portable. Note that the C standard defines EXIT_SUCCESS and EXIT_FAILURE to return termination status from a C program. 0 and EXIT_SUCCESS are the values s...