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Checking if a key exists in a JS object
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171
Use the in operator:
testArray = 'key1' in obj;
Sidenote: What you got there, is actually...
How can one check to see if a remote file exists using PHP?
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134
You can instruct curl to use the HTTP HEAD method via CURLOPT_NOBODY.
More or less
$ch = cu...
How to Configure SSL for Amazon S3 bucket
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151
You can access your files via SSL like this:
https://s3.amazonaws.com/bucket_name/images/logo...
Fastest way to check a string contain another substring in JavaScript?
...rd')).test(str)
// or
/word/.test(str)
indexOf:
str.indexOf('word') !== -1
Regular expressions seem to be faster (at least in Chrome 10).
Performance test - short haystack
Performance test - long haystack
Update 2011:
It cannot be said with certainty which method is faster. The differences ...
How to colorize diff on the command line?
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14 Answers
14
Active
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How to see which commits in one branch aren't in the other?
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211
The little-used command git cherry shows you the commits which haven't yet been cherry-picked. ...
Difference between String#equals and String#contentEquals methods
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175
The String#equals() not only compares the String's contents, but also checks if the other obje...