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Always pass weak reference of self into block in ARC?
...:obj];
}];
The block retains self, but self doesn't retain the block. If one or the other is released, no cycle is created and everything gets deallocated as it should.
Where you get into trouble is something like:
//In the interface:
@property (strong) void(^myBlock)(id obj, NSUInteger idx, BOO...
How to silence output in a Bash script?
...og documenting &>s introduction? :o
– ThorSummoner
Mar 25 '15 at 21:40
1
git.savannah.gnu....
Hard reset of a single file
...urrently have three modified files in my working directory. However I want one of them to be reset to the HEAD status.
9 An...
Get yesterday's date in bash on Linux, DST-safe
...elies on the fact that switching between summer and winter time is always done during night, if I understand correctly?
– Nicolas Raoul
Mar 28 '17 at 3:38
2
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bower command not found windows
...em environment variables`.
Find the variable named Path or PATH, or create one if it doesn't exist.
Paste the path from step 1 here (; delimited).
You may need to restart your command prompt window.
You should now be able to enter bower commands.
...
Subclipse svn:ignore
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After doing what is mentioned in the solution, select the folder and use the shortcut (Ctrl + Alt + I) to add it to ignore. I don't know why this works and the menu doesn't, it might be a bug.
– Andrei B.
Mar 4 ...
Calculate difference between two dates (number of days)?
...en answered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#?
...
Import text file as single character string
...
In case anyone is still looking at this question 3 years later, Hadley Wickham's readr package has a handy read_file() function that will do this for you.
install.packages("readr") # you only need to do this one time on your system
lib...
Is there a way to detect if a browser window is not currently active?
...
@JulienKronegg: that's why my answer specifically mentions the Page Visibility API which entered working draft status after I originally wrote my answer. The focus/blur methods provide limited functionality for older browsers. Binding...
Rounding a double to turn it into an int (java)
...re you have to typecast it to int.
int a=(int)Math.round(1.7);
This is done to prevent loss of precision. Your double value is 64bit, but then your int variable can only store 32bit so it just converts it to long, which is 64bit but you can typecast it to 32bit as explained above.
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