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Instance variables vs. class variables in Python
...attern, since I'm the one who introduced it (in 2001, cfr code.activestate.com/recipes/… ;-). But there's nothing wrong, in simple cases, with simply having a single instance with no enforcement.
– Alex Martelli
Apr 26 '10 at 21:49
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Why does casting int to invalid enum value NOT throw exception?
...of a static check as we can.
{
// The .NET framework doesn't provide a compile-checked
// way to ensure that a type is an enum, so we have to check when the type
// is statically invoked.
static EnumUtil()
{
// Throw Exception on static initialization if the given type is...
Sending files using POST with HttpURLConnection
Since the Android developers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything com...
How to write one new line in Bitbucket markdown?
...he link below or anywhere else so they change the format to something more common. bitbucket.org/site/master/issues/7396/…
– mikijov
Dec 7 '15 at 5:10
27
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T-SQL Cast versus Convert
...e extended features, use CAST.
EDIT:
As noted by @beruic and @C-F in the comments below, there is possible loss of precision when an implicit conversion is used (that is one where you use neither CAST nor CONVERT). For further information, see CAST and CONVERT and in particular this graphic: SQL S...
Can a class extend both a class and implement an Interface
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How do I fetch lines before/after the grep result in bash?
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NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...Parent = hwndParent;
EXDLL_INIT();
//读取输入参数
WCHAR szComponent[256];
popstring(szComponent);
//打印参数
WCHAR buf[1024];
//这里能正确打印出来自NSIS的中文信息。
wsprintf(buf, L"kagula $0=[%s][中文测试]\n", szComponent);
MessageBoxW(g_hwndPar...
Rails filtering array of objects by attribute value
So I perform a query to the db and I have a complete array of objects:
5 Answers
5
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git discard all changes and pull from upstream
... replace master? I only have one branch on my repo, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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