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Can't create handler inside thread that has not called Looper.prepare()
What does the following exception mean; how can I fix it?
27 Answers
27
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What are bitwise shift (bit-shift) operators and how do they work?
I've been attempting to learn C in my spare time, and other languages (C#, Java, etc.) have the same concept (and often the same operators) ...
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How to pass “Null” (a real surname!) to a SOAP web service in ActionScript 3
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Tracking it down
At first I thought this was a coercion bug where null was getting coerced to "null" and a test of "null" == null was passing. It's not. I was close, but so very, very wrong. Sorry about that!
I've since done lots...
In CMake, how can I test if the compiler is Clang?
... have a set of cross-platform CMake build scripts , and we support building with Visual C++ and GCC .
5 Answers
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How to reload a clojure file in REPL
What is the preferred way of reloading functions defined in a Clojure file without having to restart the REPL. Right now, in order to use the updated file I have to:
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How do I call one constructor from another in Java?
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answered Nov 12 '08 at 20:12
Jon SkeetJon Skeet
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Set value to null in WPF binding
please take a look at the following line
3 Answers
3
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Python progression path - From apprentice to guru
I've been learning, working, and playing with Python for a year and a half now. As a biologist slowly making the turn to bio-informatics, this language has been at the very core of all the major contributions I have made in the lab. I more or less fell in love with the way Python permits me to expre...
How to store arrays in MySQL?
I have two tables in MySQL. Table Person has the following columns:
7 Answers
7
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Argparse: Required argument 'y' if 'x' is present
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No, there isn't any option in argparse to make mutually inclusive sets of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
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