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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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just a side note for those who dont know, we start adding arguments from index 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
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How to get last key in an array?
...ings when the function parameter was passed by reference. The warning will now always be issued."
– Dominic Scheirlinck
Jan 18 '16 at 1:05
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Python locale error: unsupported locale setting
...to saving readonly files.
After saving the file do:
$ source ~/.bashrc
Now you wont be facing the same problem anymore.
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How do I change db schema to dbo
...s it lists jonathan as the db schema. When I write stored procedures I now have to include jonathan. in front of all the table names which is confusing.
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How to revert uncommitted changes including files and folders?
... When I try this I get "error: pathspec '.' did not match any file(s) known to git.
– Mike K
May 16 '14 at 17:12
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C++, variable declaration in 'if' expression
...nd part (bool a = false) should be not be evaluated because it is already known that the final answer will be false. If (bool a = false) isn't evaluated, then what to do with code later on that uses a? Would we just not initialize the variable and leave it undefined? Would we initialize it to the...
IPC performance: Named Pipe vs Socket
...urely trying to optimize something that isn't yet problematic. Unless you know sockets are going to be a bottleneck, I'd just use them.
A lot of people who swear by named pipes find a little savings (depending on how well everything else is written), but end up with code that spends more time block...
How do I type using my keyboard on the iphone simulator?
...eyboard
Command-K Toggle (Show/Hide) Software Keyboard
And, you know, I really suffered for last 2 months, until found it, and it is very convenient now))
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Allowed characters in filename [closed]
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To be more precise about Mac OS X (now called MacOS) / in the Finder is interpreted to : in the Unix file system.
This was done for backward compatibility when Apple moved from Classic Mac OS.
It is legitimate to use a / in a file name in the Finder, looki...
How to split data into training/testing sets using sample function
...eed(101) # Set Seed so that same sample can be reproduced in future also
# Now Selecting 75% of data as sample from total 'n' rows of the data
sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F)
train <- data[sample, ]
test <- data[-sample, ]
By using caTool...