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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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Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
I have two identical byte arrays in the following segment of code:
6 Answers
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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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RegEx: Smallest possible match or nongreedy match
How do I tell RegEx (.NET version) to get the smallest valid match instead of the largest?
3 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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How to create a shared library with cmake?
I have written a library that I used to compile using a self-written Makefile, but now I want to switch to cmake. The tree looks like this (I removed all the irrelevant files):
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Setting custom UITableViewCells height
I am using a custom UITableViewCell which has some labels, buttons and image views to be displayed. There is one label in the cell whose text is a NSString object and the length of string could be variable. Due to this, I cannot set a constant height to the cell in the UITableView 's heightForCe...
How often does python flush to a file?
I'm unsure about (1).
5 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 to align absolutely positioned element to center?
I am trying to stack two canvas together and make it a double layers canvas.
7 Answers
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