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Difference between `constexpr` and `const`
.... Therefore, you cannot use it as a constant expression:
int arr[mx]; // error: “constant expression required”
constexpr is a new C++11 keyword that rids you of the need to create macros and hardcoded literals. It also guarantees, under certain conditions, that objects undergo static initiali...
How to extract img src, title and alt from html using php? [duplicate]
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Call this function beforehand to handle errors gracefully: libxml_use_internal_errors( true );. You can also loop over those XML errors with libxml_get_errors()
– Matt
Jan 13 '12 at 17:10
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How to make a element expand or contract to its parent container?
The goal is to have the <svg> element expand to the size of its parent container, in this case a <div> , no matter how big or small that container may be.
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...ee in the console
myFunction(); // unreachable, will throw an error, see in the console
myObject.anotherFunc(); // unreachable, will throw an error, see in the console
In the example above, any variable defined in the function (i.e. declared using var) will be "private" and accessi...
Get the first element of an array
...hift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
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How to make good reproducible pandas examples
...owscitation needed, and I bet I can do it in 5 rows. Can you reproduce the error with df = df.head(), if not fiddle around to see if you can make up a small DataFrame which exhibits the issue you are facing.
* Every rule has an exception, the obvious one is for performance issues (in which case de...
Heroku NodeJS http to https ssl forced redirect
... 307 (redirect with same method) is probably better than a 400 error.
– Beni Cherniavsky-Paskin
Aug 19 '15 at 12:21
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Split comma-separated strings in a column into separate rows
I have a data frame, like so:
6 Answers
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Intellij idea cannot resolve anything in maven
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I was also getting this error because the project imported main and test folders as modules. Click on Project --> Press F4 --> In Module settings, remove main and test folders and the make the project again. Problem will be resolved.
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Why does ASP.NET webforms need the Runat=“Server” attribute?
...the only option available in my limited knowledge of ASP.NET, and I get an error if I don't use it?
14 Answers
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