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isset() and empty() - what to use
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It depends what you are looking for, if you are just looking to see if it is empty just use empty as it checks whether it is set as well, if you want to know whether something is set or not use isset.
Empty checks if the var...
How to generate a random string of a fixed length in Go?
...ddress the fastest part too. We'll arrive at our final, fastest code in an iterative manner. Benchmarking each iteration can be found at the end of the answer.
All the solutions and the benchmarking code can be found on the Go Playground. The code on the Playground is a test file, not an executable...
Is there a constraint that restricts my generic method to numeric types?
Can anyone tell me if there is a way with generics to limit a generic type argument T to only:
21 Answers
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Building and running app via Gradle and Android Studio is slower than via Eclipse
...t 20-30 seconds each time. When I press Run in Android Studio, I have to wait every time to rebuild the app, which is extremely slow.
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Choice between vector::resize() and vector::reserve()
...will insert or delete appropriate number of elements to the vector to make it given size (it has optional second argument to specify their value). It will affect the size(), iteration will go over all those elements, push_back will insert after them and you can directly access them using the operato...
Implement C# Generic Timeout
...generic way to have a single line (or anonymous delegate) of code execute with a timeout.
7 Answers
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How to use localization in C#
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Add a Resource file to your project (you can call it "strings.resx") by doing the following: Right-click Properties in the project, select Add -> New Item... in the context menu, then in the list of Visual C# Items pick "Resources file" and name it strings.resx.
Add a str...
Why can't variable names start with numbers?
I was working with a new C++ developer a while back when he asked the question: "Why can't variable names start with numbers?"
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What is an example of the Liskov Substitution Principle?
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use?
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C++ Object Instantiation
...n your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope, which is your main tool for tracking resource lifetime and avoiding leaks.
So in general, every time you need to allocate a resource, whether it's memory (by ...