大约有 47,000 项符合查询结果（耗时：0.0659秒） [XML]
Can I add extension methods to an existing static class?
...tionManagerWrapper
{
public static ConfigurationSection GetSection( string name )
{
return ConfigurationManager.GetSection( name );
}
.....
public static ConfigurationSection GetWidgetSection()
{
return GetSection( "widgets" );
}
}
...
What is Normalisation (or Normalization)?
...1 | Toyota
2 | Ford,Cadillac
Here the "Car" column (which is a string) have several values. That offends the first normal form, which says that each cell should have only one value. We can normalize this problem away by have a separate row per car:
UserId | Car
---------------------
1 ...
Is there a performance impact when calling ToList()?
...all files' names immediately into memory, it has a potential risk that the string[] costs a lot of memory, slowing down everything.
What should be done then
It depends. If you(as well as your business logic) gurantees that the file amount in the folder is always small, the code is acceptable. But ...
Highlight text similar to grep, but don't filter out text [duplicate]
...e the regex engine notices the empty alternation at the end of the pattern string matches the beginning of the subject string.
[1]: http://www.regular-expressions.info/engine.html
FIRST EDIT:
I ended up using perl:
perl -pe 's:pattern:\033[31;1m$&\033[30;0m:g'
This assumes you have an ANS...
Count characters in textarea
...
What errors are you seeing in the browser? I can understand why your code doesn't work if what you posted was incomplete, but without knowing that I can't know for sure.
<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.5.js">...
How can I clear an HTML file input with JavaScript?
...e mechanism for clearing already selecting output. I tried using an empty string but it did not work in all browsers, NULL worked in all the browsers I tried (Opera, Chrome, FF, IE11+ and Safari).
EDIT:
Please note that setting to NULL works on all browsers while setting to an empty string did not...
What is the correct way to start a mongod service on linux / OS X?
I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.
...
How do you test private methods with NUnit?
...eType, NUnit does not. What I do instead is:
private MethodInfo GetMethod(string methodName)
{
if (string.IsNullOrWhiteSpace(methodName))
Assert.Fail("methodName cannot be null or whitespace");
var method = this.objectUnderTest.GetType()
.GetMethod(methodName, BindingFlags....
Get login username in java
...spired by @newacct's answer, a code that can be compiled in any platform:
String osName = System.getProperty( "os.name" ).toLowerCase();
String className = null;
String methodName = "getUsername";
if( osName.contains( "windows" ) ){
className = "com.sun.security.auth.module.NTSystem";
meth...
Official reasons for “Software caused connection abort: socket write error”
...
@rustyx All three sources cited here state that it is produced by ACK failures. If you have a source for your own claim please cite it.
– Marquis of Lorne
May 27 '15 at 5:52
...