大约有 16,000 项符合查询结果（耗时：0.0359秒） [XML]
Remove file extension from a file name string
...
String.LastIndexOf would work.
string fileName= "abc.123.txt";
int fileExtPos = fileName.LastIndexOf(".");
if (fileExtPos >= 0 )
fileName= fileName.Substring(0, fileExtPos);
share
|
...
Performance of FOR vs FOREACH in PHP
...ing slower for reference there as well. Did the foreach change in 5.3.0 to convert any array() to a object (eg. SplFixedArray)?
– srcspider
Aug 7 '10 at 14:12
...
Repair all tables in one go
...
Use following query to print REPAIR SQL statments for all tables inside a database:
select concat('REPAIR TABLE ', table_name, ';') from information_schema.tables
where table_schema='mydatabase';
After that copy all the queries and execute it on...
What is DOM Event delegation?
...ript library
Closures vs Event delegation: takes a look at the pros of not converting code to use event delegation
Interesting approach PPK uncovered for delegating the focus and blur events (which do not bubble)
share
...
Create table (structure) from existing table
...
Try:
Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2
Note that this will not copy indexes, keys, etc.
If you want to copy the entire structure, you need to generate a Create Script of the table. You c...
Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
... Please take a look at the line, where count is defined. It is defined as: int count = repetitions - discardCount;. That is why when calculating the average time I subtract discardCount only once (it has already been subtracted once). Regards.
– Pavel Vladov
Au...
Why em instead of px?
...
There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as...
LINQ with groupby and count
.../array of some class that looks like
class UserInfo {
string name;
int metric;
..etc..
}
...
List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then group all the eleme...
Cannot highlight all occurrences of a selected word in Eclipse
...entifiers in editors of whatever language. For example, it won't highlight int in C editors, and it won't help at all in the Console pane.
So if you want to highlight ALL occurrences on ANY word in ANY Eclipse pane (kinda like Notepad++ does), try the Glance plug-in for Eclipse.
As of November 201...
Check if string contains only digits
...
however if you don't use a float rather int it will return false maybe using "?" after ".\" solved that. I suggest this /^\d+[\.,\,]?\d+$/.test(value) to allow both comma and point decimal (later maybe can transform comma to point)
– Lucke
...