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Is there a performance difference between i++ and ++i in C++?
... What the compiler can avoid is the second copy to return tmp, by allocating tmp in the caller, through NRVO, as mentioned by another comment.
– Blaisorblade
Jan 15 '09 at 0:13
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C pointers : pointing to an array of fixed size
...sing technique is the dominance of naive approach to typing of dynamically allocated arrays. For example, if the program calls for fixed arrays of type char[10] (as in your example), an average developer will malloc such arrays as
char *p = malloc(10 * sizeof *p);
This array cannot be passed to a...
Why does “split” on an empty string return a non-empty array?
...in (-1, 0, 1) with Oracle JDK 8. Would be nice to get a list of non-empty tokens only -- guess a full regex may be necessary (something like "[^,\\s]+[^,]*[^,\\s]*").
– simon.watts
Sep 17 '18 at 13:22
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Using Default Arguments in a Function
I am confused about default values for PHP functions. Say I have a function like this:
12 Answers
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Recommendation for compressing JPG files with ImageMagick
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Just saying for those who using Imagick class in PHP:
$im -> gaussianBlurImage(0.8, 10); //blur
$im -> setImageCompressionQuality(85); //set compress quality to 85
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Switching a DIV background image with jQuery
... If I try 2. , I get an error - Uncaught SyntaxError: Unexpected token :
– geeky_monster
May 10 '12 at 13:56
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Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...he the solution which is answered by Igor here http://forum.nginx.org/read.php?2,1612,1627#msg-1627
Yes. Or you may combine SSL/non-SSL servers in one server:
server {
listen 80;
listen 443 default ssl;
# ssl on - remember to comment this out
}
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What's the best way to build a string of delimited items in Java?
... this I used
android.text.TextUtils.join(CharSequence delimiter, Iterable tokens)
http://developer.android.com/reference/android/text/TextUtils.html
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Difference between objectForKey and valueForKey?
...ntNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber *anAccountNumber = [NSNumber numberWith...
window.location.reload with clear cache [duplicate]
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window.location = window.location.href+'?eraseCache=true';
}
Then, in PHP let's say, you do something like this:
<head>
<?php
if (isset($_GET['eraseCache'])) {
echo '<meta http-equiv="Cache-control" content="no-cache">';
echo '<meta http-equiv="Expires" co...