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How to save a Python interactive session?
... Use "ipython -i [filename]" on the saved .py file, from the bash promt in order to load the file back before returning to an interactive console! (without the -i flag you don't get the interactive console after running the file).
– Samuel Lampa
Nov 29 '12 at 1...
Why does the default parameterless constructor go away when you create one with parameters
...static class, I most likely want to be able to instantiate that class. In order to allow that, the compiler must add a parameterless constructor, which will have no effect but to allow instantiation. This means that I don't have to include an empty constructor in my code just to make it work.
If I...
What are the differences between .gitignore and .gitkeep?
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Why do you need ! in front of .gitignore ? Is that in order to escape the dot ?
– Will
Oct 5 '12 at 21:37
7
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Getting image dimensions without reading the entire file
...)
{
int maxMagicBytesLength = imageFormatDecoders.Keys.OrderByDescending(x => x.Length).First().Length;
byte[] magicBytes = new byte[maxMagicBytesLength];
for (int i = 0; i < maxMagicBytesLength; i += 1)
{
magicBytes[i] ...
Mime type for WOFF fonts?
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As cc young said, in order to get rid of the Chrome warning "Resource interpreted as Font but transferred with MIME type application/font-woff" you need to use "application/x-font-woff"
– Jamie
Jan 2 '13 at ...
Threading in a PyQt application: Use Qt threads or Python threads?
...re that, for each open descriptor, the path of execution is consistent and orderly. There are, obviously, issues that must be addressed, such as what to do when code depending on one open channel further depends on the results of code to be called when another open channel returns data.
One nice so...
Is log(n!) = Θ(n·log(n))?
...rm and that log(n!) can therefore approximated by nlog(n) or that it is of order nlog(n) which is expressed by the big O notation O(n*log(n)).
– recipe_for_disaster
Oct 31 '19 at 18:44
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Should I use #define, enum or const?
...ype.
However, bit members in structs have practical drawbacks. First, the ordering of bits in memory varies from compiler to compiler. In addition, many popular compilers generate inefficient code for reading and writing bit members, and there are potentially severe thread safety issues relating to...
What is correct HTTP status code when redirecting to a login page?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Inline functions vs Preprocessor macros
...ency may occur during macro expansion due to reevaluation of arguments and order of operations. For example
#define MAX(a,b) ((a)>(b) ? (a) : (b))
int i = 5, j = MAX(i++, 0);
would result in
int i = 5, j = ((i++)>(0) ? (i++) : (0));
The macro arguments are not evaluated before macro expan...