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Can we define implicit conversions of enums in c#?
...'t need to use an enum just for the sake of it. You either put an explicit cast or just write a static class with const ints.
– Trap
Feb 8 '14 at 0:56
3
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Subprocess changing directory
...ode tries to do is call a program named cd ... What you want is call a command named cd.
But cd is a shell internal. So you can only call it as
subprocess.call('cd ..', shell=True) # pointless code! See text below.
But it is pointless to do so. As no process can change another process's working ...
OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
OS X10.9 环境下部署 QT5.3.1 常见的编译问题出于本身对UNIX系统的好奇，以及身边一群对 Swift 语言各种推崇的苹果教徒的影响，这几天折腾起 MAC OS X来，体验下这个被无数开发者...
出于本身对UNIX系统的好奇，以及身边一群对 Swift ...
How to check whether a file or directory exists?
...(err) { return false, nil }
return false, err
}
Edited to add error handling.
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How do I best silence a warning about unused variables?
...me in C++. If it's templated, it won't be used in C, so you don't need the cast-to-void trick.
– Alex B
Oct 7 '13 at 4:55
13
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Do interfaces inherit from Object class in java
...bject will also accept a reference of any interface type. Moreover you can cast interface to an Object implicitly without any compiler error.
– nme
Feb 10 '19 at 14:03
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Any way to clear python's IDLE window?
...n console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
25 Answers
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How to manage local vs production settings in Django?
What is the recommended way of handling settings for local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is...
Changing capitalization of filenames in Git
...these two names refer to the same path from the filesystem's point of view and requires the user to give "--force" when correcting the case of the path recorded in the index and in the next commit.
Detect this case and allow it without requiring "--force".
git mv hello.txt Hello.txt just works...
How much faster is C++ than C#?
...td::chrono::steady_clock::now();
auto initTime = std::chrono::duration_cast<std::chrono::microseconds>(initFinish - initStart);
auto fillStart = std::chrono::steady_clock::now();
for(auto i = 0, r = 0; r < ROWS; ++r)
{
for (auto c = 0; c < COLS; ++c)
{
...