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How do I restrict a float value to only two places after the decimal point in C?
...ing works:
#include <math.h>
float val = 37.777779;
float rounded_down = floorf(val * 100) / 100; /* Result: 37.77 */
float nearest = roundf(val * 100) / 100; /* Result: 37.78 */
float rounded_up = ceilf(val * 100) / 100; /* Result: 37.78 */
Notice that there are three different r...
How do you get the footer to stay at the bottom of a Web page?
...om of the page in all browsers. It works if the content pushes the footer down, but that's not always the case.
27 Answer...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...://www.it-docs.net/ddata/4954.pdf (Disclosure, this last one was mine ;) )
https://www.owasp.org/images/d/d4/OWASP_IL_2007_SQL_Smuggling.pdf (based on the previous paper, which is no longer available)
Point is, any blacklist you do (and too-permissive whitelists) can be bypassed. The last link to ...
Why is Visual Studio 2013 very slow?
...using the Microsoft Git provider, which seems to slow Visual Studio 2013 down more and more the larger the repository gets.
I had the whole Dojo Toolkit framework under source control using the Microsoft Git provider, and it got to the point where there were delays from the time I hit a key to ...
iOS 5 fixed positioning and virtual keyboard
...; can cause the focused input to be moved off-screen e.g. an input further down the page, or if an iPhone is in portrait. A better solution is on focus set the header.css({position:'absolute',top:window.pageYOffset+'px'}); and on blur set header.css({position:'fixed',top:0});.
–...
Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...memory usage in this way. Don, in your case, you can likely break the feed down into smaller chunks and parse what you need. Glad it works, but be careful.
– anonymous coward
Jun 11 '10 at 20:51
...
Why do people still use primitive types in Java?
...d it takes 43 seconds to run. Taking the Long into the primitive brings it down to 6.8 seconds... If that's any indication why we use primitives.
The lack of native value equality is also a concern (.equals() is fairly verbose compared to ==)
for biziclop:
class Biziclop {
public static void...
How do I draw a shadow under a UIView?
...f.layer.shadowRadius = 5;
self.layer.shadowOpacity = 0.5;
This will slow down the application.
Adding the following line can improve performance as long as your view is visibly rectangular:
self.layer.shadowPath = [UIBezierPath bezierPathWithRect:self.bounds].CGPath;
...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...eUploader: {
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The case against checked exceptions
... his work, this argument has always struck me as bogus. It basically boils down to:
"Checked exceptions are bad because programmers just abuse them by always catching them and dismissing them which leads to problems being hidden and ignored that would otherwise be presented to the user".
By ...