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What is the use of “ref” for reference-type variables in C#?
I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one.
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How to change Rails 3 server default port in develoment?
On my development machine, I use port 10524. So I start my server this way :
9 Answers
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Is there a job scheduler library for node.js? [closed]
...on like library that would let me schedule some function to be ran at certain time (15:30 for example, not x hours from now etc)? If there isn't this kind of library how this should be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for t...
Local dependency in package.json
I want to do something like this, so npm install also installs the package.json of ../somelocallib or more importantly its dependencies.
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When would you use the different git merge strategies?
...ctopus when I've had several trees that needed to be merged. You see this in larger projects where many branches have had independent development and it's all ready to come together into a single head.
An octopus branch merges multiple heads in one commit as long as it can do it cleanly.
For illu...
Why do we need C Unions?
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Unions are often used to convert between the binary representations of integers and floats:
union
{
int i;
float f;
} u;
// Convert floating-point bits to integer:
u.f = 3.14159f;
printf("As integer: %08x\n", u.i);
Although this is technically undefined behavior ...
Undefined symbols for architecture arm64
I am getting a Apple Mach-O Linker Error everytime I import a file from CocoaPods.
41 Answers
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What is a race condition?
When writing multithreaded applications, one of the most common problems experienced is race conditions.
18 Answers
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Recommended way to embed PDF in HTML?
What is the recommended way to embed PDF in HTML?
24 Answers
24
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What are the sizes used for the iOS application splash screen?
I am developing an application using the iOS SDK. I need to know what Default splash screen sizes I need.
10 Answers
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