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iOS Detection of Screenshot?
...onger true. Apple has made it so touchesCancelled:withEvent: is no longer called when the user takes a screenshot.
This would effectively break Snapchat entirely, so a couple betas in a new solution was added. Now, the solution is as simple as using NSNotificationCenter to add an observer to UIApp...
How to redirect the output of an application in background to /dev/null
...ot terminate you can use:
nohup yourcommand &
Without any parameter all output lands in nohup.out
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Alter table add multiple columns ms sql
...eded here
HasText bit);
You need to remove the brackets and make sure all columns have a comma where necessary.
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How to implement a unique index on two columns in rails
...st can remove the indexes who were just for one column or if I have to use all three indexes:
1 Answer
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Generate random numbers with a given (numerical) distribution
...> choices(population, weights)
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The optional keyword-only argument k allows one to request more than one sample at once. This is valuable because there's some preparatory work that random.choices has to do every time it's called, prior to generating any samples; by generating many samples at o...
Applications are expected to have a root view controller at the end of application launch
... make sure self.window is initialized like self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
– Raptor
Feb 13 '12 at 12:07
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Creating and Update Laravel Eloquent
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There is and it's called firstOrNew / firstsOrCreate
– malhal
Aug 24 '14 at 11:59
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What are the differences between LDAP and Active Directory?
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Not really an exact answer. LDAP is a protocol to access directory server, while Microsoft AD is an implementation of directory server.
– Daniel Baktiar
Mar 1 '13 at 16:36
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Catch Ctrl-C in C
...ote this answer seven years ago. Yes, language standards change. If you really must better the world, please add your new answer but leave mine as is. As the answer has my name on it, I'd prefer it to contain my words too. Thank you.
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How to see top processes sorted by actual memory usage?
...t too much effort.
Second, you want to find the processes that are eating all your memory; in top use the M command to sort by memory use. Feel free to ignore the VIRT column, that just tells you how much virtual memory has been allocated, not how much memory the process is using. RES reports how m...