大约有 36,010 项符合查询结果（耗时：0.0299秒） [XML]
How do I find a stored procedure containing ?
... Can you add some explanation of what each of the 3 queries do, and what the difference between them are?
– Tot Zam
Sep 1 '17 at 15:34
4
...
How costly is .NET reflection?
...
It is. But that depends on what you're trying to do.
I use reflection to dynamically load assemblies (plugins) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application.
However, if you're reflecting inside a ...
How to remove local (untracked) files from the current Git working tree
How do you delete untracked local files from your current working tree?
38 Answers
38
...
What is the Java ?: operator called and what does it do?
... in any context where an invocation of a void method could appear.
So, if doSomething() and doSomethingElse() are void methods, you cannot compress this:
if (someBool)
doSomething();
else
doSomethingElse();
into this:
someBool ? doSomething() : doSomethingElse();
Simple words:
booleanCond...
What is the “main file” property when doing bower init?
...
According to the Bower.io documentation
main
Recommended Type: String or Array of String
The primary acting files necessary to use your package. While Bower
does not directly use these files, they are listed with the
commands b...
String, StringBuffer, and StringBuilder
... So in Strings when we alter the value another object is created. Does the old object reference is nullified so that it may be garbage collected by the GC or is it even garbage collected?
– Harsh Vardhan
May 9 '14 at 7:07
...
INNER JOIN vs LEFT JOIN performance in SQL Server
...t's slower; by definition, an outer join (LEFT JOIN or RIGHT JOIN) has to do all the work of an INNER JOIN plus the extra work of null-extending the results. It would also be expected to return more rows, further increasing the total execution time simply due to the larger size of the result set.
...
How do I get java logging output to appear on a single line?
... True as of Java7. There is no mention of this in the Java6 docs.
– jbruni
Jun 11 '12 at 22:51
1
...
What's the point of Spring MVC's DelegatingFilterProxy?
...How is it possible? Because this bean implements javax.servlet.Filter, its doFilter method is called.
Which bean is called? the DelegatingFilterProxy "Supports a "targetBeanName" [...], specifying the name of the target bean in the Spring application context."
As you saw in your web.xml that the b...
Reading and writing binary file
...
If you want to do this the C++ way, do it like this:
#include <fstream>
#include <iterator>
#include <algorithm>
int main()
{
std::ifstream input( "C:\\Final.gif", std::ios::binary );
std::ofstream output( "C:\\m...