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Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du

...ruct, they'll be the attacker's own versions of those objects, with potentially-unexpected behaviour. For example, you can hack a setter-property into Object, that would betray the values written in object literals: Object.prototype.__defineSetter__('x', function(x) { alert('Ha! I steal '+x); ...
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Vertical (rotated) label in Android

...d simple vertical text implementation, extending TextView. This means that all standard styles of TextView may be used, because it is extended TextView. public class VerticalTextView extends TextView{ final boolean topDown; public VerticalTextView(Context context, AttributeSet attrs){ ...
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Regular expressions in an Objective-C Cocoa application

...ar expressions for substring searches, e.g. [myString rangeOfString:@"regex_here" options:NSRegularExpressionSearch] – Nestor Apr 28 '11 at 15:23 1 ...
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NSRange to Range

...dited Jan 4 '17 at 14:30 juancazalla 9461010 silver badges1616 bronze badges answered Oct 22 '14 at 21:46 Alex...
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How can I add an item to a SelectList in ASP.net MVC

Basically I am looking to insert an item at the beginning of a SelectList with the default value of 0 and the Text Value of " -- Select One --" ...
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Argparse: Required arguments listed under “optional arguments”?

... Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
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Will strlen be calculated multiple times if used in a loop condition?

...optimiser might be able to deduce that the value won't change, but I personally wouldn't rely on that. I'd do something like for (int i = 0, n = strlen(ss); i < n; ++i) or possibly for (int i = 0; ss[i]; ++i) as long as the string isn't going to change length during the iteration. If it mi...
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What is an application binary interface (ABI)?

...but the API does not, then the old and new library versions are sometimes called "source compatible". This implies that while a program compiled for one library version will not work with the other, source code written for one will work for the other if re-compiled. For this reason, developers ten...
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Reverse / invert a dictionary mapping

... For Python 2.7.x inv_map = {v: k for k, v in my_map.iteritems()} For Python 3+: inv_map = {v: k for k, v in my_map.items()} share | improve...
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How to remove a package from Laravel using composer?

... are: Remove declaration from composer.json (in "require" section) Remove Service Provider from config/app.php (reference in "providers" array) Remove any Class Aliases from config/app.php Remove any references to the package from your code :-) Run composer update vendor/package-name. This will rem...