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HTML5 canvas ctx.fillText won't do line breaks?
...o a canvas if the text includes "\n". I mean, the line breaks do not show/work.
17 Answers
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How to install psycopg2 with “pip” on Python?
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Note: Since a while back, there are binary wheels for Windows in PyPI, so this should no longer be an issue for Windows users. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI packa...
How to know when UITableView did scroll to bottom in iPhone
I would like to know when a UITableView did scroll to bottom in order to load and show more content, something like a delegate or something else to let the controller know when the table did scroll to bottom.
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What does the tilde before a function name mean in C#?
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~ is the destructor
Destructors are invoked automatically, and cannot be invoked explicitly.
Destructors cannot be overloaded. Thus, a class can have, at most, one destructor.
Destructors are not inherited. Thus, a class has no destructors ...
Parsing XML with namespace in Python via 'ElementTree'
...ry. This is not documented very well:
namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes are only looked up in the namespaces parameter you pass in. This means you can use any namespace prefix you like; the API splits off th...
Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
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You can also use the non-type safe method doReturn for this purpose,
@Test
public void testMockitoWithGenerics()
{
DummyClass dummyClass = Mockito.mock(DummyClass.class);
List<? extends Number> someList = new ArrayList<Integer>();
Mockito.doR...
Can a for loop increment/decrement by more than one?
Are there other ways to increment a for loop in Javascript besides i++ and ++i ? For example, I want to increment by 3 instead of one.
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How to change UIPickerView height
...ble to change the height of UIPickerView? Some applications seem to have shorter PickerViews but setting a smaller frame doesn't seem to work and the frame is locked in Interface Builder.
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Python ValueError: too many values to unpack [duplicate]
...erating over just the keys (which are strings).
Since self.materials has more than two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we use self.materials.iteritems().
Howev...
What does -fPIC mean when building a shared library?
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PIC stands for Position Independent Code
and to quote man gcc:
If supported for the target machine, emit position-independent code, suitable for dynamic linking and avoiding any limit on the size of the global offset table. This opt...