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UIGestureRecognizer on UIImageView
... No, this just shows how to add the gesture recognizers. You have to do the actual zoom/rotate yourself in the gesture handlers. See the sample app Touches_GestureRecognizers on how to do the zoom/rotate.
– user467105
Oct 11 '10 at 21:27
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What is the at sign (@) in a batch file and what does it do?
One remotely familiar with windows/dos batch scripting will recognize this line:
2 Answers
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How to delete files/subfolders in a specific directory at the command prompt in Windows
...s within C:\Temp source:
del /q "C:\Temp\*"
FOR /D %%p IN ("C:\Temp\*.*") DO rmdir "%%p" /s /q
Create a batch file (say, delete.bat) containing the above command. Go to the location where the delete.bat file is located and then run the command: delete.bat
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Is there a way to make R beep/play a sound at the end of a script?
When I run R scripts I go do something else on a different desktop. If I don't check frequently, I never know when something is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...y default 2% of the heap).
This effectively means that your program stops doing any progress and is busy running only the garbage collection at all time.
To prevent your application from soaking up CPU time without getting anything done, the JVM throws this Error so that you have a chance of diagn...
Bubble Sort Homework
In class we are doing sorting algorithms and, although I understand them fine when talking about them and writing pseudocode, I am having problems writing actual code for them.
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Return all enumerables with yield return at once; without looping through
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@Jon Skeet - What exactly do you mean that it will call the methods immediately? I ran a test and it looks like it's deferring the method calls completely until something is actually iterated. Code here: pastebin.com/0kj5QtfD
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Passing just a type as a parameter in C#
Hypothetically it'd be handy for me to do this:
7 Answers
7
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Sort NSArray of date strings or objects
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@smorgan how does NSSortDescriptor handle nil dates?
– Ash
Nov 25 '13 at 22:35
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How do you test functions and closures for equality?
The book says that "functions and closures are reference types". So, how do you find out if the references are equal? == and === don't work.
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