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Will strlen be calculated multiple times if used in a loop condition?
...ange, but I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it might, then you'll need to either call strlen() each time, ...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
...itudes go from -90 to 90 degrees...so only need 2 places left of decimal point...
– dotjoe
Apr 10 '15 at 19:21
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show 7 more comments
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When should I use the HashSet type?
... contradicts what you say about order not being a property of a set - or points out to a misunderstanding from the development team.
– Veverke
Aug 3 '16 at 16:07
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Java: using switch statement with enum under subclass
... the case statement so it can only be one enum.
– sprinter
Dec 23 '15 at 1:49
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show 4 more comments
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How to get the current directory in a C program?
...ing at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
6 Answers
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How can I catch a ctrl-c event?
....h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)
{
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = my_handler;
sigemptyset(&sigIntHandler.sa_...
How do I make a reference to a figure in markdown using pandoc?
...
This only helps if you convert to TeX but not if you also want to create HTML from the same Markdown source.
– Jakob
Aug 2 '12 at 8:33
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How to perform Callbacks in Objective-C
.... Here's an example of a custom delegate implementation;
Header File:
@interface MyClass : NSObject {
id delegate;
}
- (void)setDelegate:(id)delegate;
- (void)doSomething;
@end
@interface NSObject(MyDelegateMethods)
- (void)myClassWillDoSomething:(MyClass *)myClass;
- (void)myClassDidDoSome...
How to prevent XSS with HTML/PHP?
...n saving or outputting client input.
HTML Encoding
htmlspecialchars will convert any "HTML special characters" into their HTML encodings, meaning they will then not be processed as standard HTML. To fix our previous example using this method:
<?php
echo '<div>' . htmlspecialchars($_GET[...
Implement C# Generic Timeout
...this with the use of a wrapped delegate that passes out the thread to kill into a local variable in the method that created the lambda.
I submit this example, for your enjoyment. The method you are really interested in is CallWithTimeout. This will cancel the long running thread by aborting it, a...