大约有 16,000 项符合查询结果（耗时：0.0255秒） [XML]
How do I find the length (or dimensions, size) of a numpy matrix in python? [duplicate]
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Quick note: matrix.size is an 'int' object and cannot be called!
– Kel Solaar
Feb 26 '14 at 20:36
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GROUP BY to combine/concat a column [duplicate]
...ime to crack this one. Here is my result.
DECLARE @TABLE TABLE
(
ID INT,
USERS VARCHAR(10),
ACTIVITY VARCHAR(10),
PAGEURL VARCHAR(10)
)
INSERT INTO @TABLE
VALUES (1, 'Me', 'act1', 'ab'),
(2, 'Me', 'act1', 'cd'),
(3, 'You', 'act2', 'xy'),
(4, 'You', 'act2', ...
JUnit Testing Exceptions [duplicate]
...d = ArithmeticException.class)
public void divisionWithException() {
int i = 1/0;
}
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Create SQLite Database and table [closed]
Within C# application code, I would like to create and then interact with one or more SQLite databases.
1 Answer
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How to 'restart' an android application programmatically [duplicate]
...entials etc. can be entered again. The problem I'm having is that at the point of the user clicking 'log-out', the application already has 3-4 activities running, and I'm not sure how to step back through them. How do I (simulate?) a restart of the app?
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How to increase maximum execution time in php [duplicate]
...here " Your web server can have other timeout configurations that may also interrupt PHP execution. Apache has a Timeout directive and IIS has a CGI timeout function. Both default to 300 seconds. See your web server documentation for specific details. "
– Accountant م
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How to update a mongo record using Rogue with MongoCaseClassField when case class contains a scala E
...n you try to add that value to a DBObject) rather than
at compile time.
I introduced the BSONType type class to try to address this. The upside is
it catches BSON errors at compile time. The downside is you need to make a
choice when it comes to case classes.
If you want to do this the "correct" w...
Transitivity of Auto-Specialization in GHC
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Short answers:
The question's key points, as I understand them, are the following:
"is the auto-specialization transitive?"
Should I only expect (+) to be specialized transitively with an explicit pragma?
(apparently intended) Is this a bug of GHC? ...
C++模板-继承-具现化 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Handler = 0;
class Test : public NewHandlerSurpport<Test>
{
public:
int val;
};
怎么样？看了上面的代码，大家是否有些迷惑？首先，类NewHandlerSurpport采用的模板类的定义，其内部却没用到类型T；其次，它的子类在继承时，用了class Test : pu...
C++ HICON与HBITMAP相互转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
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BITMAP bmp;
CDC bmpDC;
CDC iconDC;
ICONINFO csII;
int bRetValue = ::GetIconInfo(hIcon, &csII);
if (bRetValue == FALSE) return NULL;
bmpDC.Attach(::GetDC(NULL));
iconDC.CreateCompatibleDC(&bmpDC);
if (::GetObject(csII.hbmColor, sizeof(BITMAP), &bmp))
...