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Disable output buffering
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# reopen stdout file descriptor with write mode
# and 0 as the buffer size (unbuffered)
import io, os, sys
try:
# Python 3, open as binary, then wrap in a TextIOWrapper with write-through.
sys.stdout = io.TextIOWrapper(open(sys.stdout.fileno(), 'wb', 0), write_throug...
Deserializing JSON data to C# using JSON.NET
...as having issues where I had a pretty complex JSON string, when I tried to cast it to C# objects, anything marked as 'NotNull' would be missing from the object, even though it was present in the JSON string to begin with. Very strange. I used this method and it worked PERFECT!
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How to do exponentiation in clojure?
...ately represented by doubles anymore, there really is no problem with just casting the result to int. 2) I don't see how writing Math/pow is more complicated than math-pow or whatever the name would be if there was a clojure equivalent. If there already is a simple java method that does what you wan...
Why doesn't c++ have &&= or ||= for booleans?
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The only way to get an invalid value into a bool is by using reinterpret_cast on pointers:
int i = 2;
bool b = *reinterpret_cast<bool*>(&i);
b |= true; // MAY yield 3 (but doesn’t on my PC!)
But since this code results in undefined behaviour anyway, we may safely ignore this potenti...
Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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What is move semantics?
I just finished listening to the Software Engineering radio podcast interview with Scott Meyers regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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Why doesn't 'ref' and 'out' support polymorphism?
...ny variable, not only out parameter variable. And also the reader needs to cast the argument value to Mammal before he attempts to access it as Mammal and of course it can fail if he is not considerate
– astef
Jun 20 '18 at 20:46
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Negation in Python
...an simply use os.mkdir() to get the result you need, with added exception handling goodness.
Example:
blues_sounds_path = "/usr/share/sounds/blues"
if not os.path.exists(blues_sounds_path):
try:
os.mkdir(blues_sounds_path)
except OSError:
# Handle the case where the directo...
How can I get the behavior of GNU's readlink -f on a Mac?
...ption -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
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Exit codes in Python
...ode.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
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