大约有 40,000 项符合查询结果（耗时：0.0306秒） [XML]
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
...up identifier and "baz" is some sort of time stamp. In order to keep the latest, you'd do ORDER BY baz desc)
share
|
improve this answer
|
follow
|
...
Getting “NoSuchMethodError: org.hamcrest.Matcher.describeMismatch” when running test in IntelliJ 10.
...lt;/artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>1.3</version>
<scope>t...
Is std::vector so much slower than plain arrays?
...ector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
22 Answers...
Launch custom android application from android browser
...
Tested on dev setup. Actually I was giving a wrong domain name. My bad.
– Ankit Garg
Nov 7 '13 at 9:38
...
What is the difference between self::$bar and static::$bar in PHP?
...
{
protected static $bar = 'parent value';
public static function test()
{
var_dump('I am your father');
var_dump('self:: here means '.self::$bar);
var_dump('static:: here means '.static::$bar);
}
}
class Bar extends Foo
{
protected static $bar = 'chil...
How to handle anchor hash linking in AngularJS
... you to any element with the id found in $location.hash()
app.controller('TestCtrl', function($scope, $location, $anchorScroll) {
$scope.scrollTo = function(id) {
$location.hash(id);
$anchorScroll();
}
});
<a ng-click="scrollTo('foo')">Foo</a>
<div id="foo">Her...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...BundleVersion gives you the build number which is used for development and testing, namely "technical" purposes. The end user is rarely interested in the build number but during the development you may need to know what's being developed and fixed on each build. This is typically incremented on each...
How to check if an element is in an array
... be equatable and takes a predicate as an
argument, see e.g. Shorthand to test if an object exists in an array for Swift?.
Swift older versions:
let elements = [1,2,3,4,5]
if contains(elements, 5) {
println("yes")
}
...
How to override equals method in Java
...lasses.
There is no need for the class to provide a “logical equality” test. For example, java.util.regex.Pattern could have overridden equals to check whether two Pattern instances represented exactly the same regular expression, but the designers didn’t think that clients would need or want ...
Get first day of week in SQL Server
...collected all the answers provided so far and ran them through two sets of tests - one cheap and one expensive. I measured client statistics because I don't see I/O or memory playing a part in the performance here (though those may come into play depending on how the function is used). In my tests t...