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What happens to a declared, uninitialized variable in C? Does it have a value?
...so zero
}
Non-static variables (local variables) are indeterminate. Reading them prior to assigning a value results in undefined behavior.
void foo() {
int x;
printf("%d", x); // the compiler is free to crash here
}
In practice, they tend to just have some nonsensical value in there initia...
Rule-of-Three becomes Rule-of-Five with C++11?
So, after watching this wonderful lecture on rvalue references, I thought that every class would benefit of such a "move constructor", template<class T> MyClass(T&& other) edit and of course a "move assignment operator", template<class T> MyClass& operator=(T&&...
Iterating through a list in reverse order in java
I'm migrating a piece of code to make use of generics. One argument for doing so is that the for loop is much cleaner than keeping track of indexes, or using an explicit iterator.
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Remove the last character in a string in T-SQL?
How do I remove the last character in a string in T-SQL ?
21 Answers
21
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What is the global interpreter lock (GIL) in CPython?
What is a global interpreter lock and why is it an issue?
8 Answers
8
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Get the current time in C
I want to get the current time of my system. For that I'm using the following code in C:
9 Answers
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What's the cleanest way of applying map() to a dictionary in Swift?
I'd like to map a function on all keys in the dictionary. I was hoping something like the following would work, but filter cannot be applied to dictionary directly. What's the cleanest way of achieving this?
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HTML5 Canvas vs. SVG vs. div
What is the best approach for creating elements on the fly and being able to move them around? For example, let's say I want to create a rectangle, circle and polygon and then select those objects and move them around.
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Get size of all tables in database
I have inherited a fairly large SQL Server database. It seems to take up more space than I would expect, given the data it contains.
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Do while loop in SQL Server 2008
Is there any method for implement do while loop in SQL server 2008?
5 Answers
5
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