大约有 21,000 项符合查询结果(耗时:0.0406秒) [XML]
What are the best practices for using a GUID as a primary key, specifically regarding performance?
I have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, b...
Focus Input Box On Load
...load?
You can just add the autofocus attribute to the input.
<input id="myinputbox" type="text" autofocus>
However, this might not be supported in all browsers, so we can use javascript.
window.onload = function() {
var input = document.getElementById("myinputbox").focus();
}
2) How...
Build and Version Numbering for Java Projects (ant, cvs, hudson)
... edited Feb 18 '16 at 12:22
Guido
40.2k2424 gold badges111111 silver badges166166 bronze badges
answered Jan 11 '10 at 4:56
...
How can I find the version of the Fedora I use?
... answered Feb 12 '09 at 9:31
David GrantDavid Grant
12.9k33 gold badges5151 silver badges6161 bronze badges
...
How do I directly modify a Google Chrome Extension File? (.CRX)
...er of the extension you wish to modify. ( Named according to the extension ID, to find the ID of the extension, go to chrome://extensions/). Once copied, you have to remove the _metadata folder.
From chrome://extensions in Developer mode select Load unpacked extension... and select your copied ext...
Missing artifact com.microsoft.sqlserver:sqljdbc4:jar:4.0
...
UPDATE
Microsoft now provide this artifact in maven central. See @nirmal's answer for further details: https://stackoverflow.com/a/41149866/1570834
ORIGINAL ANSWER
The issue is that Maven can't find this artifact in any of the configured maven re...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...mary key and unique constraints are implemented in terms of an index is a side effect. To manage indexes, you have CREATE/ALTER/DROP INDEX, as you are well aware.
Why do you have a such a requirement as to add non-unique-non-clustered indexes in the CREATE TABLE statement?
Note that SQL Server 201...
Declaration/definition of variables locations in ObjectiveC?
...es can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these variables o...
Pagination on a list using ng-repeat
...isible at a certain time.
Here's a simple pagination example: http://jsfiddle.net/2ZzZB/56/
That example was on the list of fiddles on the angular.js github wiki, which should be helpful: https://github.com/angular/angular.js/wiki/JsFiddle-Examples
EDIT:
http://jsfiddle.net/2ZzZB/16/
to
htt...
How to remove underline from a name on hover
...5 '11 at 10:30
Small Hadron ColliderSmall Hadron Collider
75711 gold badge55 silver badges1515 bronze badges
...