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Nginx not picking up site in sites-enabled?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Difference between private, public, and protected inheritance
... accessors that I'm aware of: public, protected and private.
Let:
class Base {
public:
int publicMember;
protected:
int protectedMember;
private:
int privateMember;
};
Everything that is aware of Base is also aware that Base contains publicMember.
Only the c...
How to make a flat list out of list of lists?
...,l)'
1000 loops, best of 3: 1.1 msec per loop
Explanation: the shortcuts based on + (including the implied use in sum) are, of necessity, O(L**2) when there are L sublists -- as the intermediate result list keeps getting longer, at each step a new intermediate result list object gets allocated, an...
Find row where values for column is maximal in a pandas DataFrame
...ch case you probably have to go drop many hours worth of work from the database you were outputting results to, bang your head against the wall in IPython trying to manually reproduce the problem, finally figuring out that it's because idxmax can only report the label of the max row, and then being ...
Convert blob URL to normal URL
... I get a Not allowed to navigate top frame to data URL: data:text/plain;base64,... error. I get the data, but the window.location it is not allowed...
– loretoparisi
Apr 24 '18 at 14:22
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Does Swift support reflection?
...
Here is a class that will do reflection of base classes and optionals (not types) and has support for NSCoding and parsing from and to a dictionary: github.com/evermeer/EVCloudKitDao/blob/master/AppMessage/…
– Edwin Vermeer
Jan...
Restore the state of std::cout after manipulating it
...ude <iostream> or #include <ios> then when required:
std::ios_base::fmtflags f( cout.flags() );
//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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How to make a valid Windows filename from an arbitrary string?
...
In case anyone wants an optimized version based on StringBuilder, use this. Includes rkagerer's trick as an option.
static char[] _invalids;
/// <summary>Replaces characters in <c>text</c> that are not allowed in
/// file names with the specified ...
How do I expire a PHP session after 30 minutes?
... and not the last access date:
Note: If you are using the default file-based session handler, your filesystem must keep track of access times (atime). Windows FAT does not so you will have to come up with another way to handle garbage collecting your session if you are stuck with a FAT filesyste...
Use of 'prototype' vs. 'this' in JavaScript?
...ction? Because it tries to fool you, yes fool you that it works like class-based languages.
Let's go on with our example and create an "object" out of A:
var a1 = new A();
There's something happening in the background when this thing happened. a1 is an ordinary variable which was assigned a new...