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How can I tell if a DOM element is visible in the current viewport?
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Update: Time marches on and so have our browsers. This technique is no longer recommended and you should use Dan's solution if you do not need to support version of Internet Explorer before 7.
Original solution (now outdated):
This will check if the element is entirely visible in the current vie...
How do I undo 'git add' before commit?
I mistakenly added files to Git using the command:
36 Answers
36
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What is Node.js' Connect, Express and “middleware”?
Despite knowing JavaScript quite well, I'm confused what exactly these three projects in Node.js ecosystem do. Is it something like Rails' Rack? Can someone please explain?
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How to split text without spaces into list of words?
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A naive algorithm won't give good results when applied to real-world data. Here is a 20-line algorithm that exploits relative word frequency to give accurate results for real-word text.
(If you want an answer to your original question...
return statement vs exit() in main()
... Personally I favor the return statements because I feel it's like reading any other function and the flow control when I'm reading the code is smooth (in my opinion). And even if I want to refactor the main() function, having return seems like a better choice than exit() .
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'printf' vs. 'cout' in C++
What is the difference between printf() and cout in C++?
16 Answers
16
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How can mixed data types (int, float, char, etc) be stored in an array?
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You can make the array elements a discriminated union, aka tagged union.
struct {
enum { is_int, is_float, is_char } type;
union {
int ival;
float fval;
char cval;
} val;
} my_array[10];
The type member is used to hold the choice of which member o...
Detect application heap size in Android
How do you programmatically detect the application heap size available to an Android app?
9 Answers
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Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
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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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