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How to find all occurrences of an element in a list?
...onverting outweighs the speed gain (tested on integer lists with 100, 1000 and 10000 elements).
NOTE: A note of caution based on Chris_Rands' comment: this solution is faster than the list comprehension if the results are sufficiently sparse, but if the list has many instances of the element that i...
Get all directories within directory nodejs
... @rickysullivan: You'd need to iterate through the response and use path.resolve(srcpath, foldername) for each folder inside
– jarodsmk
Mar 2 '17 at 8:30
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What is stack unwinding?
...
Stack unwinding is usually talked about in connection with exception handling. Here's an example:
void func( int x )
{
char* pleak = new char[1024]; // might be lost => memory leak
std::string s( "hello world" ); // will be properly destructed
if ( x ) throw std::runtime_error(...
Check if string matches pattern
... regular expression pattern. I just spent like 30 minutes trying to understand why I couldn't match something at the end of a string. Seems like it's not possible with match, is it? For that, re.search(pattern, my_string) works though.
– conradkleinespel
Nov 11...
What do the following phrases mean in C++: zero-, default- and value-initialization?
...thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this ...
I want my android application to be only run in portrait mode?
I want my android application to be only run in portrait mode?
How can I do that?
6 Answers
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Convert Django Model object to dict with all of the fields intact
...ject to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
12 Answers
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Where is Android Studio layout preview?
I installed Android Studio, but when I edit my layout files, I can't find live preview! I just see an XML file. How can I see my layout in graphical view?
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How do I prevent Android taking a screenshot when my app goes to the background?
...R.layout.main);
}
}
This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs).
UPDATE: it also secures against Now On Tap or other assistants on Android 6....
PHP foreach loop key value
... postfix: "",
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