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C++, What does the colon after a constructor mean? [duplicate]
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As others have said, it's an initialisation list. You can use it for two things:
Calling base class constructors
Initialising member variables before the body of the constructor executes.
For case #1, I assume you understand inheritance (if that's not the case, let me know in the commen...
Copy folder structure (without files) from one location to another
...e a file and it's parent structure, but is there any way to copy the directory structure intact?
15 Answers
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Can I mix MySQL APIs in PHP?
...e (mysql_*, mysqli_*, PDO) MYSQL API's from PHP together, it just doesn't work. It's even in the manual FAQ:
It is not possible to mix the extensions. So, for example, passing a mysqli connection to PDO_MySQL or ext/mysql will not work.
You need to use the same MySQL API and its related func...
Swap key with value JSON
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function swap(json){
var ret = {};
for(var key in json){
ret[json[key]] = key;
}
return ret;
}
Example here FIDDLE don't forget to turn on your console to see the results.
ES6 versions:
static objectFlip(obj) {
const ret = {};
Object.keys(obj)...
How to write PNG image to string with the PIL?
I have generated an image using PIL . How can I save it to a string in memory?
The Image.save() method requires a file.
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]
...set font-size: 0 on the parent elements, and then declare a new font-size for the children elements. This works, as demonstrated here (example)
#parent {
font-size: 0;
}
#child {
font-size: 16px;
}
This method works pretty well, as it doesn't require a change in the markup; however, it d...
Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
... edited May 9 '19 at 17:48
Borzh
4,17822 gold badges3737 silver badges5454 bronze badges
answered Jun 11 '14 at 19:11
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JVM option -Xss - What does it do exactly?
...ts, etc. So if a thread tends to process large structures via recursive algorithms, it may need a large stack for all those return addresses and such. With the Sun JVM, you can set that size via that parameter.
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Stopping fixed position scrolling at a certain point?
... say when it is 250px from the top of the page, is this possible? Any help or advice would be helpful thanks!
13 Answers
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PHP Get all subdirectories of a given directory
How can I get all sub-directories of a given directory without files, . (current directory) or .. (parent directory)
and then use each directory in a function?
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