大约有 47,000 项符合查询结果（耗时：0.0703秒） [XML]
Benchmarking small code samples in C#, can this implementation be improved?
Quite often on SO I find myself benchmarking small chunks of code to see which implemnetation is fastest.
11 Answers
...
Extract filename and extension in Bash
... section "3.5.3 Shell Parameter Expansion"
In the bash manpage at section called "Parameter Expansion"
share
|
improve this answer
|
follow
|
...
How to check if a string contains text from an array of substrings in JavaScript?
...in asks about the new Array.prototype.map method in ECMAScript5. map isn't all that much help, but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...
So what's the right answer here? Calling advance means we have to iterate the whole way through a possibly long string. But forming an NSRange and using NSString explicitly is dangerous? What's left?
– matt
Nov 18 '14 at...
What's the difference between Thread start() and Runnable run()
...ent the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread.
Second example: Two separate threads.
Thread t1 = new Thread(r1);
Thread t2 = new Thread(r2);
t1 and t2 are objects of the class Thread. When you call t1.start(), ...
How to “re-run with -deprecation for details” in sbt?
...
> compile
> exit
Due to in ThisBuild, set applies the settings to all sub-projects, as well.
Command Line
You could also run the above as a single command on command line.
sbt '; set scalacOptions in ThisBuild ++= Seq("-unchecked", "-deprecation") ; compile'
The trick is to use ; (sem...
Create a git patch from the uncommitted changes in the current working directory
... git format-patch also includes binary diffs and some meta info. Actually that would be the best bet for creating a patch, but afaik this does only work for checked in sources/ changes, right?
– Eric
Mar 18 '12 at 12:24
...
How to delete large data of table in SQL without log?
...
If you are Deleting All the rows in that table the simplest option is to Truncate table, something like
TRUNCATE TABLE LargeTable
GO
Truncate table will simply empty the table, you cannot use WHERE clause to limit the rows being deleted and...
Convert tabs to spaces in Notepad++
... @Algina - you can change the settings for Notepad++ to automatically convert tabs to spaces - just go to: Settings - Preferences - Tab Settings - tick the box "Replace by Space" - like mrzli already described in this answer.
– AddingColor
Apr 13 '15...
How do I have to configure the proxy settings so Eclipse can download new plugins?
...
I had the same problem. I installed Eclipse 3.7 into a new folder, and created a new workspace. I launch Eclipse with a -data argument to reference the new workspace.
When I attempt to connect to the marketplace to get the SVN and Maven plugins, I get th...