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When is std::weak_ptr useful?
...want to keep them in memory, so you hold a strong pointer to them. Periodically, you scan the cache and decide which objects have not been accessed recently. You don't need to keep those in memory, so you get rid of the strong pointer.
But what if that object is in use and some other code holds a s...
SQL Server Escape an Underscore
...ver.
– a_horse_with_no_name
Jun 17 '15 at 7:46
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C++ convert hex string to signed integer
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When I use that method, I end up with an integer value of 152144602
– Clayton
Jul 1 '09 at 18:03
@jma...
Javascript : natural sort of alphanumerical strings
...by the value of a certain key in an array of objects. It can also automatically identify and sort strings of: currencies, dates, currency, and a bunch of other things.
Surprisingly, it's also only 1.6kB when gzipped.
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iPhone: Detecting user inactivity/idle time since last screen touch
... touch or an Ended touch, to reduce the number of timer resets.
NSSet *allTouches = [event allTouches];
if ([allTouches count] > 0) {
// allTouches count only ever seems to be 1, so anyObject works here.
UITouchPhase phase = ((UITouch *)[allTouches anyObject]).phase;
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How do I clone a Django model instance object and save it to the database?
... inheritance .
– Dominic Rodger
Jan 15 '14 at 14:10
12
Note: things may be a bit more complex if ...
Forward function declarations in a Bash or a Shell script?
...he best practice?
– bodacydo
Dec 1 '15 at 1:50
4
I prefer arguments. Barring that, I'll set globa...
Change private static final field using Java reflection
...get around private and resetting the modifier to get rid of final, and actually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class EverythingIsTrue {
static void setFinalStatic(Field field, Object newValue) throws Exception {
field.setAccessibl...
Any way to write a Windows .bat file to kill processes? [closed]
...out of my IDE. Yes, these are processes from programs that my company installs on my machine for security and compliance. What I'd like to do is have a .bat file or script of some kind with which I can kill the processes in question.
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NGinx Default public www location?
...with Apache before, so I am aware that the default public web root is typically /var/www/ .
30 Answers
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