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How to write iOS app purely in C
...clude <objc/runtime.h>
#include <objc/message.h>
// This is a hack. Because we are writing in C, we cannot out and include
// <UIKit/UIKit.h>, as that uses Objective-C constructs.
// however, neither can we give the full function declaration, like this:
// int UIApplicationMain (...
Asking the user for input until they give a valid response
...
Though the accepted answer is amazing. I would also like to share a quick hack for this problem. (This takes care of the negative age problem as well.)
f=lambda age: (age.isdigit() and ((int(age)>=18 and "Can vote" ) or "Cannot vote")) or \
f(input("invalid input. Try again\nPlease enter your...
Microsecond timing in JavaScript
... have performance.now(). While it's clear you have found some cool ways to hack out more capabilities, this answer is essentially obsolete. Also, don't recommend anything related to busy loops. Just don't do that. We don't need more of that.
– Steven Lu
Nov 27 ...
How to make a SIMPLE C++ Makefile
...ed to be compiled into a program called tool, and suppose that you've been hacking on the source files (which means the existing tool is now out of date) and want to compile the program.
To do this yourself you could
Check if either support.cc or support.hh is newer than support.o, and if so run ...
What is the difference between a 'closure' and a 'lambda'?
...u're right, they're still not fully correct. i think python 3.0 will add a hack to work around this. (something like a 'nonlocal' identifier). i'll change my ansewr to reflect that.
– Claudiu
Oct 21 '08 at 5:26
...
xkcd style graphs in MATLAB
...Thanks. I'm really proud of the box plots. I was surprised at the level of hacking required to get those plots to show up.
– slayton
Oct 4 '12 at 21:18
...
An example of how to use getopts in bash
...ption or an option by itself since -p might be the intended value. You can hack around this if you absolutely know that an option parameter cannot look like another valid option, yes, but one could say there's a reason optional arguments are not defined in POSIX.
– Adrian Früh...
'printf' vs. 'cout' in C++
...t's possible to use %c with '\0' as an argument, although that's clearly a hack.
Differences nobody cares about
Performance
Update: It turns out that iostream is so slow that it's usually slower than your hard drive (if you redirect your program to file). Disabling synchronization with stdio may ...
What's the best way to communicate between view controllers?
...arch and seem concerned with learning how to "do it right" instead of just hacking it together.
First, I agree with the previous answers which focus on the importance of putting data in model objects when appropriate (per the MVC design pattern). Usually you want to avoid putting state information ...
How to limit setAccessible to only “legitimate” uses?
...ss for a nice explanation. See also the blog from Sami Koivu for more java hacking around security.
The security model of Java can be seen as insufficient to some regard. Some languages such as NewSpeak take even more radical approach to modularity, where you have access only to what is explicitly...