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Is it ok to use dashes in Python files when trying to import them?
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You should check out PEP 8, the Style Guide for Python Code:
Package and Module Names Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of undersco...
Does Swift support reflection?
... Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects?
6...
back button callback in navigationController in iOS
I have pushed a view onto the navigation controller and when I press the back button it goes to the previous view automatically. I want to do a few things when back button is pressed before popping the view off the stack. Which is the back button callback function?
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Delete column from SQLite table
...xample, suppose you have a table named "t1" with columns names
"a", "b", and "c" and that you want to delete column "c" from this
table. The following steps illustrate how this could be done:
BEGIN TRANSACTION;
CREATE TEMPORARY TABLE t1_backup(a,b);
INSERT INTO t1_backup SELECT a,b FROM t1;
DRO...
Windows下如何判断Win32 or x64? - C/C++ - 清泛网 - 专注C/C++及内核技术
...的。具体描述是
_WIN32:Defined for applications for Win32 and Win64. Always defined.
_WIN64:Defined for applications for Win64.
下面看一段程序:(分别在 Win32 和 x64 配置下运行一次)
#include <iostream>
using namespace std;
int main() {
#ifdef _W...
Measuring elapsed time with the Time module
... You can also take a look at profilehooks pip install profilehooks, and its homepage here
– pjama
Jan 5 '13 at 5:08
14
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Minimizing NExpectation for a custom distribution in Mathematica
...a minimum requires either to set the first derivative of the function zero and solve for a solution. Since your function is quite complicated (and probably not differentiable), the second possibility is to do a numerical minimization, which requires many evaluations of your function. Ergo, it is ver...
How to include external Python code to use in other files?
... answered Apr 3 '09 at 17:24
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
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Dynamically load JS inside JS [duplicate]
...Type: 'script',
success: callback,
async: true
});
}
and use it like:
if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.js', function(){
//Stuff to do after someScript has loaded
});
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How to make a variadic macro (variable number of arguments)
...eceding comma in case the variable-argument list is empty, eg. FOO("a") expands to printf("a"). This is an extension of gcc (and vc++, maybe), C99 requires at least one argument to be present in place of the ellipsis.
– jpalecek
Mar 26 '09 at 20:20
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