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How to detect total available/free disk space on the iPhone/iPad device?
...pace {
uint64_t totalSpace = 0;
uint64_t totalFreeSpace = 0;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultManager] attributesOfFileSystemForPath:[paths...
This Handler class should be static or leaks might occur: IncomingHandler
... Note: after making the IncomingHandler static, I was getting the error "The constructor MyActivity.IncomingHandler() is undefined." on the line "final Messenger inMessenger = new Messenger(new IncomingHandler());". The solution is to change that line to "final Messenger inMessenger = new M...
How do I test a file upload in rails?
... I get a "uninitialized constant ActionController::TestUploadedFile" error when I run a test with this code. Anything else I would need to require in the file?
– Vini.g.fer
May 21 '15 at 18:21
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How to disable an input type=text?
... Poz You are calling native js setter on jquery object it will result with error. $('#foo')[0].disabled = true or $('#foo').get(0).disabled = true will do the work
– Arek Kostrzeba
Oct 12 '17 at 14:03
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How to use sed to remove the last n lines of a file
I want to remove some n lines from the end of a file. Can this be done using sed?
22 Answers
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
...x comma joins with the other join types when there is a join condition, an error of the form Unknown column 'col_name' in 'on clause' may occur"
– Captain Payalytic
Oct 17 '18 at 11:27
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PHP best way to MD5 multi-dimensional array?
...0
1ad0f2c7e690c8e3cd5c34f7c9b8573a
json_encode()
db7178ba34f9271bfca3a05c5dddf502
c9661c0852c2bd0e26ef7951b4ca9e6f
Sorted serialize()
1c4f1064ab79e4722f41ab5a8141b210
1c4f1064ab79e4722f41ab5a8141b210
Sorted json_encode()
db7178ba34f9271bfca3a05c5dddf502
db7178ba34f9271bfca3a05c5dddf50...
How to write a cron that will run a script every day at midnight?
...native.
# Run once after reboot.
@reboot /usr/local/sbin/run_only_once_after_reboot.sh
You can also use this trick to run your cron job multiple times per minute.
# Run every minute at 0, 20, and 40 second intervals
* * * * * sleep 00; /usr/local/sbin/run_3times_per_min...
Try catch statements in C
...
You use goto in C for similar error handling situations.
That is the closest equivalent of exceptions you can get in C.
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...ord abc1234, but I got mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: NO)'. Thank you so much!
– Sibbs Gambling
Feb 21 '14 at 23:18
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