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Write to UTF-8 file in Python
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I believe the problem is that codecs.BOM_UTF8 is a byte string, not a Unicode string. I suspect the file handler is trying to guess what you really mean based on "I'm meant to be writing Unicode as UTF-8-encoded text, but you've given me a byte string!"
Try writin...
Is there a way to instantiate a class by name in Java?
...lass.forName("com.foo.MyClass");
Constructor<?> constructor = clazz.getConstructor(String.class, Integer.class);
Object instance = constructor.newInstance("stringparam", 42);
Both methods are known as reflection. You will typically have to catch the various exceptions which can occur, includ...
How to sort an array in descending order in Ruby
... 0.001631 0.110628 ( 0.111532)
...the reverse method doesn't actually return a reversed array - it returns an enumerator that just starts at the end and works backwards.
The source for Array#reverse is:
static VALUE
rb_ary_reverse_m(VALUE ary)
{
long len = RARRAY_LEN(...
iPhone OS: How do I create an NSDate for a specific date?
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Note there is also setHour, setMinute, setSecond, etc. for finer granularity.
– devios1
Jul 5 '13 at 18:53
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Do regular expressions from the re module support word boundaries (\b)?
...;> x = 'one two three'
>>> y = k.search( x)
>>> y
<_sre.SRE_Match object at 0x100418850>
Also forgot to mention, you should be using raw strings in your code
>>> x = 'one two three'
>>> y = re.search(r"\btwo\b", x)
>>> y
<_sre.SRE_Match obj...
What does the LayoutInflater attachToRoot parameter mean?
...e attached to any other layout (so it won't be drawn, receive touch events etc).
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How do Mockito matchers work?
...exception (or require non-zero or non-null values).
doReturn and doAnswer (etc) do not invoke the actual method and are often a useful alternative.
If you had called a mock method in the middle of stubbing (e.g. to calculate an answer for an eq matcher), Mockito would check the stack length against...
What's the best way to cancel event propagation between nested ng-click calls?
... in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image.
9 Answ...
How to add a right button to a UINavigationController?
...he navigation controller picks up its display information (title, buttons, etc) from the UIViewController that it is about to display. You don't actually add buttons and such directly to the UINavigationController.
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Difference between two dates in Python
... objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
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