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iOS: Use a boolean in NSUserDefaults
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You can set your boolean by using:
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"logged_in"];
[[NSUserDefaults standardUserDefaults] synchronize];
and read it by using this code:
if(![[NSUserDefaults standardUserDefaults] boolForKey:@"logged_in"]) {
[self d...
Android JSONObject - How can I loop through a flat JSON object to get each key and value
How I can get each item's key and value without knowing the key nor value beforehand?
5 Answers
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Are there any open source C libraries with common data structures? [closed]
...SD tree.h has:
RB - red-black tree
SPLAY - splay tree
See the queue(3) and tree(3) man pages for details. I really like them because they are pure C macros without dependencies (not even libc). Plus with the BSD license you don't have to worry about any company restrictions w/ GPL.
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How to determine if a type implements an interface with C# reflection
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It sure was easy to not pay attention and get the arguments for IsAssignableFrom backwards. I will go with GetInterfaces now :p
– Benjamin
Apr 10 '13 at 22:21
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Python call function within class
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What happens if we dont use self? and directly call distToPoint(p)?
– Marlon Abeykoon
Aug 16 '16 at 4:30
4
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Devise - How do I forbid certain users from signing in?
... determine "active" state using
#our own "is_active" column
super and self.is_active?
end
end
UPDATE
As Matt Huggins notes, the method is now called active_for_authentication? (Documentation)
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Running multiple AsyncTasks at the same time — not possible?
I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.)
However, only the first gets executed. Here's a simple snippet to describe my problem:
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How to only find files in a given directory, and ignore subdirectories using bash
...r questions, but didn't find one that would enable me to grasp the concept and make it applicable to my situation based on my limited time. I'm simply running the find command to find certain files, but some files in sub-directories have the same name which I want to ignore. Thanks for any help. Bel...
How do I make python wait for a pressed key?
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@Solarsaturn9 and an increasing and large number do not. Thus this answer did not work for me, and the many other that come here.
– ctrl-alt-delor
Oct 22 '15 at 22:00
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Format a datetime into a string with milliseconds
...etime string from the date with milliseconds. This code is typical for me and I'm eager to learn how to shorten it.
12 Ans...