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What's the safest way to iterate through the keys of a Perl hash?
... all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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How many double numbers are there between 0.0 and 1.0?
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Why use AJAX when WebSockets is available?
...lelism, error handling, etc). Regarding performance, although from-scratch raw large file transfer speed would be similar, browsers have had years to finely tune caching of web content (much of which applies to AJAX requests) so in practice, switching from AJAX to WebSockets is unlikely to provide m...
Upgrading PHP in XAMPP for Windows?
I would like to know how you upgrade PHP in Xampp for Windows? I tried to download the latest PHP version from the main PHP site but when I check (phpinfo) I still get that the previous version is still in use.
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What is the 'dynamic' type in C# 4.0 used for?
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How to loop through file names returned by find?
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You should use the -r option to read: -r raw input - disables interpretion of backslash escapes and line-continuation in the read data
– Daira Hopwood
Jan 17 '15 at 0:45
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How do I echo and send console output to a file in a bat script?
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are there dictionaries in javascript like python?
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Python unittest - opposite of assertRaises?
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