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Advantage of switch over if-else statement
...Obviously this just moves the problem to a different area of the code, but now you have the opportunity to reuse this test. You also have more options for how to solve it. You could use std::set, for example:
bool RequiresSpecialEvent(int numError)
{
return specialSet.find(numError) != specia...
Add single element to array in numpy
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When appending only once or once every now and again, using np.append on your array should be fine. The drawback of this approach is that memory is allocated for a completely new array every time it is called. When growing an array for a significant amount of samp...
How do I send a JSON string in a POST request in Go
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now it have panics on playground. May be you shold fix or update something?
– Altenrion
Jan 4 '17 at 16:02
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Why git can't remember my passphrase under Windows
.... Answer with a y. This will add the server's host key to PuTTY's list of known hosts. Without this step git commands will not work properly. After hitting enter, Github informs you that Github does not provide shell access. That's fine...we don't need it. (If you are connecting to some other host, ...
Hashing a dictionary?
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If your dictionary is not nested, you could make a frozenset with the dict's items and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representat...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...of K&R), and C code of any complexity was typically a complex maze of #ifdefs to allow for differences between systems. These macro definitions were generally set by the compiler itself, not defined in a library header file. Since there were no real rules about which identifiers could be used by...
How do I get the full path of the current file's directory?
... script being run:
import os
os.path.dirname(os.path.abspath(__file__))
If you mean the current working directory:
import os
os.path.abspath(os.getcwd())
Note that before and after file is two underscores, not just one.
Also note that if you are running interactively or have loaded code from...
Why use Abstract Base Classes in Python?
...lass promises to do certain things and have certain properties.
There are different levels to the contract.
At a very low level, the contract might include the name of a method or its number of parameters.
In a staticly-typed language, that contract would actually be enforced by the compiler. In Pyt...
Are PHP include paths relative to the file or the calling code?
...g trouble understanding the ruleset regarding PHP relative include paths. If I run file A.PHP- and file A.PHP includes file B.PHP which includes file C.PHP, should the relative path to C.PHP be in relation to the location of B.PHP, or to the location of A.PHP? That is, does it matter which file ...
UML class diagram enum
...in UML, so typically Associations aren't shown any more than they would be if you declared an attribute to be of type Integer. If your modeling tool has explicit support for enumerations, you should use that and only use the Class + <<enumeration>> stereotype notation as a fallback if n...