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What is the use of the %n format specifier in C?
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Nothing printed. The argument must be a pointer to a signed int, where the number of characters written so far is stored.
#include <stdio.h>
int main()
{
int val;
printf("blah %n blah\n", &val);
printf("val = %d\n", val);
return 0;
}
The previous ...
Ideal way to cancel an executing AsyncTask
...tx);
progressDialog.setCancelable(true);
progressDialog.setOnCancelListener(new OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
// actually could set running = false; right here, but I'll
// stick ...
How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]
... {
get => _Value;
set
{
// operator== is undefined for generic T; EqualityComparer solves this
if (!EqualityComparer<T>.Default.Equals(_Value, value))
{
_Value = value;
}
}
}
private...
Is there a perfect algorithm for chess? [closed]
... machine. The issue is the hugeness of the state space that it would have to search. It's finite, it's just REALLY big.
That's why chess falls back on heuristics -- the state space is too huge (but finite). To even enumerate -- much less search for every perfect move along every course of every ...
How to check if variable is string with python 2 and 3 compatibility
I'm aware that I can use: isinstance(x, str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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Laravel Eloquent ORM Transactions
...e Eloquent ORM is quite nice, though I'm wondering if there is an easy way to setup MySQL transactions using innoDB in the same fashion as PDO, or if I would have to extend the ORM to make this possible?
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Modify SVG fill color when being served as Background-Image
Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so:
16 Answe...
iPhone UITextField - Change placeholder text color
I'd like to change the color of the placeholder text I set in my UITextField controls, to make it black.
32 Answers
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Azure Blob Storage vs. File Service [closed]
Please correct my wrongs. From my reading on the topic so far, it appears to me that both, Azure Blob Storage and File Service offer the ability to store file(s) and folder(s) (I understand that blobs can store any binary object, but any serialized binary stream is just a file at the end of the day)...
How to manually trigger validation with jQuery validate?
I want to manually trigger validation including showing error messages with jQuery Validate .
9 Answers
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