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Convert NSNumber to int in Objective-C
I use [NSNumber numberWithInt:42] or @(42) to convert an int to NSNumber before adding it to an NSDictionary:
5 Answers...
How do I create and read a value from cookie?
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Here are functions you can use for creating and retrieving cookies.
function createCookie(name, value, days) {
var expires;
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expi...
How to run cron job every 2 hours
...an *, the script would run every minute during every second hour.)
Don't forget, you can check syslog to see if it ever actually ran!
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How do you Encrypt and Decrypt a PHP String?
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Before you do anything further, seek to understand the difference between encryption and authentication, and why you probably want authenticated encryption rather than just encryption.
To implement authenticated encryption, you ...
How do I do redo (i.e. “undo undo”) in Vim?
... I would just like to throw the undoTree plugin out there, super awesome for the times you have seemingly screwed yourself with a flurry of undos and redos.
– Jake Sellers
Jan 3 '14 at 5:31
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Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
...B', 'TB'];
if (bytes == 0) return '0 Byte';
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
}
Note : This is original code, Please use fixed version below. Aliceljm does not active her copied code anymore
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Catch a thread's exception in the caller thread in Python
... in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
class ExcThread(threading.Thread):
def __init__(self...
Why are we not to throw these exceptions?
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Exception is the base type for all exceptions, and as such terribly unspecific. You shouldn’t ever throw this exception because it simply does not contain any useful information. Calling code catching for exceptions couldn’t disambiguate the intenti...
How to combine two strings together in PHP?
...his is called string concatenation. Your example lacks a space though, so for that specifically, you would need:
$result = $data1 . ' ' . $data2;
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