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What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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How are strings passed in .NET?
When I pass a string to a function, is a pointer to the string's contents passed, or is the entire string passed to the function on the stack like a struct would be?
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What's the difference between a 302 and a 307 redirect?
What's the difference between a 302 FOUND and a 307 TEMPORARY REDIRECT HTTP response?
9 Answers
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How does this program work?
It displays a 0 !! How is that possible? What is the reasoning?
13 Answers
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Pointer to pointer clarification
I was following this tutorial about how does a pointer to a pointer work.
16 Answers
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Shell - How to find directory of some command?
I know that when you are on shell, the only commands that can be used are the ones that can be found on some directory set on PATH.
Even I don't know how to see what dirs are on my PATH variable (and this is another good question that could be answered), what I'd like to know is:
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How to run a PowerShell script from a batch file
I am trying to run this script in PowerShell. I have saved the below script as ps.ps1 on my desktop.
8 Answers
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How to merge two arrays in JavaScript and de-duplicate items
I have two JavaScript arrays:
76 Answers
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How to find a Java Memory Leak
How do you find a memory leak in Java (using, for example, JHat)? I have tried to load the heap dump up in JHat to take a basic look. However, I do not understand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hu...
Elements order in a “for (… in …)” loop
Does the "for…in" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
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