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How to select lines between two marker patterns which may occur multiple times with awk/sed
... print $0: if flag is equal 1 the line is printed.
For a more detailed description and examples, together with cases when the patterns are either shown or not, see How to select lines between two patterns?.
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Cross-Origin Request Headers(CORS) with PHP headers
I have a simple PHP script that I am attempting a cross-domain CORS request:
11 Answers
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Is there an eval() function in Java? [duplicate]
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You can use the ScriptEngine class and evaluate it as a Javascript string.
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("js");
Object result = engine.eval("4*5");
There may be a be...
What is the documents directory (NSDocumentDirectory)?
... // location of user's Pictures directory (~/Pictures)
NSPrinterDescriptionDirectory NS_ENUM_AVAILABLE(10_6, 4_0) = 20, // location of system's PPDs directory (Library/Printers/PPDs)
NSSharedPublicDirectory NS_ENUM_AVAILABLE(10_6, 4_0) = 21, // location of user's Public sh...
HTML5 Video Dimensions
...get the dimensions of a video of which I'm overlaying onto a page with JavaScript, however it is returning the dimensions of the poster image instead of the actual video as it seems it's being calculated before the video is loaded.
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How to check whether a given string is valid JSON in Java
...ner cases I mentioned above
or you could probably run jsonlint using javax.script.*,
http://npmjs.org/package/jsonlint
or combine using a parser with running jshint using javax.script.*.
https://www.npmjs.org/package/jshint
https://github.com/webjars/jshint
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adding and removing classes in angularJs using ng-click
..."red";
};
});
.red{
color:red;
}
.blue{
color:blue;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="ap" ng-controller="con">
<div ng-class="class">{{class}}</div>
<button ng-click="...
Switch Git branch without files checkout
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The git-new-worktree script predates git worktree subcommand; this command was not available when the answer was written. The script for example requires symlink support; IMHO it is better to use native support.
– Jakub Nar...
Determine installed PowerShell version
...ion
To determine the version of PowerShell that is installed from a .ps1 script, you can use the following one-liner, as detailed on PowerShell.com in Which PowerShell Version Am I Running.
$isV2 = test-path variable:\psversiontable
The same site also gives a function to return the version:
fu...
Properly close mongoose's connection once you're done
I'm using mongoose in a script that is not meant to run continuously, and I'm facing what seems to be a very simple issue yet I can't find an answer; simply put once I make a call to any mongoose function that sends requests to mongodb my nodejs instance never stops and I have to kill it manually wi...