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How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...tles = (myarr.indexOf("turtles") > -1);
Hint: indexOf returns a number, representing the position where the specified searchvalue occurs for the first time, or -1 if it never
occurs
or
function arrayContains(needle, arrhaystack)
{
return (arrhaystack.indexOf(needle) > -1);
}
It...
How can I extract audio from video with ffmpeg?
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llogan
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answered Dec 11 '14 at 1:18
Paul IrishPaul Irish
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Find and Replace Inside a Text File from a Bash Command
... the simplest way to do a find and replace for a given input string, say abc , and replace with another string, say XYZ in file /tmp/file.txt ?
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Javascript Array.sort implementation?
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I've just had a look at the WebKit (Chrome, Safari …) source. Depending on the type of array, different sort methods are used:
Numeric arrays (or arrays of primitive type) are sorted using the C++ standard library function std::qsort which implements s...
What's the difference between isset() and array_key_exists()? [duplicate]
...ey exists in an array, whereas isset will only return true if the key/variable exists and is not null.
$a = array('key1' => 'フーバー', 'key2' => null);
isset($a['key1']); // true
array_key_exists('key1', $a); // true
isset($a['key2']); // false
array_key_exists...
Visual Studio opens the default browser instead of Internet Explorer
When I debug in Visual Studio, Firefox opens and that is annoying because of the hookups that Internet Explorer and Visual Studio have, such as when you close the Internet Explorer browser that starting debug opened, Visual Studio stops debugging. How can I get Visual Studio to open Internet Explor...
Convert a String representation of a Dictionary to a dictionary?
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Starting in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
>>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}")
{'muffin': 'lolz', 'foo': 'kitty'}
This is safer than using eval. As its own docs say:
>>>...
How to create cron job using PHP?
I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working.
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Setting up maven dependency for SQL Server
I am developing a portlet where I have Hibernate access to SQL Server database. I set up maven dependencies for it and try to find out SQL Server connector on the same way I know MySql has it.
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How do I run a Python script from C#?
This sort of question has been asked before in varying degrees, but I feel it has not been answered in a concise way and so I ask it again.
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