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What does $$ mean in the shell?
I once read that one way to obtain a unique filename in a shell for temp files was to use a double dollar sign ( $$ ). This does produce a number that varies from time to time... but if you call it repeatedly, it returns the same number. (The solution is to just use the time.)
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How can I validate a string to only allow alphanumeric characters in it?
How can I validate a string using Regular Expressions to only allow alphanumeric characters in it?
10 Answers
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Django - iterate number in for loop of a template
I have the following for loop in my django template displaying days. I wonder, whether it's possible to iterate a number (in the below case i) in a loop. Or do I have to store it in the database and then query it in form of days.day_number?
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How often does python flush to a file?
I'm unsure about (1).
5 Answers
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How to convert decimal to hexadecimal in JavaScript
How do you convert decimal values to their hexadecimal equivalent in JavaScript?
27 Answers
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Android RelativeLayout programmatically Set “centerInParent”
I have a RelativeLayout like this:
3 Answers
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GlobalConfiguration.Configure() not present after Web API 2 and .NET 4.5.1 migration
I recently started following this guide to migrate my project to .NET 4.5.1 and Web Api 2.
11 Answers
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Using member variable in lambda capture list inside a member function
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4 Answers
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Font Awesome not working, icons showing as squares
So I'm trying to prototype a marketing page and I'm using Bootstrap and the new Font Awesome file. The problem is that when I try to use an icon, all that gets rendered on the page is a big square.
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Open file dialog box in JavaScript
I need a solution to display open file dialog in HTML while clicking a div . The open file dialog box must open when the div is clicked.
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