大约有 13,350 项符合查询结果（耗时：0.0226秒） [XML]
What is the real overhead of try/catch in C#?
...false;
}
}
void CheckRight(string rightName, DomainObject obj) {
if (!_user.Rights.Contains(rightName))
throw new Exception();
}
When the test database got fuller with test data, this lead to a very visible slowdown while openening new forms etc.
So I refactored it to the following, whic...
Real life example, when to use OUTER / CROSS APPLY in SQL
... FROM sys.parameters pa
WHERE pa.object_id = pr.object_id
ORDER BY pr.name) pa
ORDER BY pr.name,
pa.name
2) Calling a Table Valued Function for each row in the outer query
SELECT *
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY ...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
...compression use SCP:
scp username@yourserver.com:~/serverpath/public_html ~/Desktop
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Regular Expression to match only alphabetic characters
...l make sure that nothing but these alphabets will be matched.
Code:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case...
Get Image Height and Width as integer values?
...
Try like this:
list($width, $height) = getimagesize('path_to_image');
Make sure that:
You specify the correct image path there
The image has read access
Chmod image dir to 755
Also try to prefix path with $_SERVER["DOCUMENT_ROOT"], this helps sometimes when you are not ab...
warning: incompatible implicit declaration of built-in function ‘xyz’
...an page says this function is a GNU extension and synopsis shows:
#define _GNU_SOURCE
#include <string.h>
When #define is added to my source before the #include, declarations for the GNU extensions are made visible and warnings disappear.
...
Python ValueError: too many values to unpack [duplicate]
...
for k, m in self.materials.items():
example:
miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9}
for k, v in miles_dict.items():
print("%s: %s" % (k, v))
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【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...的域名，附件的路径除外，仍用PC站 的，如：’upload_url’ => ‘http://带www域名/uploadfile/’, //附件路径，即两站共用PC站的附件。移动站后台站点设置里也是写带www的，不用改。
二、模板设置
1、PC站：没什么特别的...
lsof survival guide [closed]
... Source: danielmiessler.com/study/lsof
– Uphill_ What '1
Oct 20 '14 at 7:34
One good way is to use the cheat gem...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
In my multithreaded asmx web service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill...