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Drawing an image from a data URL to a canvas
How can i open an image in a Canvas ? which is encoded
6 Answers
6
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select and update database record with a single queryset
How do I run an update and select statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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How do you automatically set the focus to a textbox when a web page loads?
How do you automatically set the focus to a textbox when a web page loads?
13 Answers
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Associativity of “in” in Python?
I'm making a Python parser, and this is really confusing me:
4 Answers
4
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Integer division: How do you produce a double?
For this code block:
11 Answers
11
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Why does Eclipse Java Package Explorer show question mark on some classes?
In the Eclipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation.
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Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
13
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Rounded corner for textview in android
I have a textview and want its corner to be in round shape. I already know it can be done using android:background="@drawable/somefile" . In my case, this tag is already included so cannot use again. e.g android:background="@drawable/mydialogbox" is already there to create image in background
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Store password in TortoiseHg
Is there a way to configure TortoiseHg to store my password?
7 Answers
7
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
POSIX allows mutexes to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...