大约有 33,000 项符合查询结果（耗时：0.0497秒） [XML]
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
...ing XPaths! By the way, the $x() function works in the Safari command line API, too.
– Otto G
Apr 20 '18 at 11:27
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show 3 more comments
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socket.emit() vs. socket.send()
...
https://socket.io/docs/client-api/#socket-send-args-ack
socket.send // Sends a message event
socket.emit(eventName[, ...args][, ack]) // you can custom eventName
share
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list.clear() vs list = new ArrayList(); [duplicate]
..., it might be faster to make a new ArrayList.
http://www.docjar.com/html/api/java/util/ArrayList.java.html
public void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
...
Keep SSH session alive [closed]
...
@youkaichao There is often this confusion. As an API designer, there are reasons that I might put it in both ways. Ultimately, what's most critical, is good documentation of the chosen standard.
– Cameron Tacklind
Oct 17 '19 at 1:33
...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...ference/#primaryPreferred
http://mongodb.github.io/node-mongodb-native/3.6/api/Collection.html (search readPreference)
const { MongoClient, ReadPreference } = require('mongodb');
const client = await MongoClient.connect(MONGODB_CONNECTIONSTRING, { readPreference: ReadPreference.PRIMARY_PREFERRED }...
How to call a method defined in an AngularJS directive?
...blets += 1;
}
}
};
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="directiveControlDemo">
<div ng-controller="MainCtrl">
<button ng-click="focusinControl.takeTablet()">Call directiv...
PreparedStatement with list of parameters in a IN clause [duplicate]
...d as mentioned in the javadoc below:
http://docs.oracle.com/javase/6/docs/api/java/sql/PreparedStatement.html#setArray(int, java.sql.Array)
Code:
PreparedStatement statement = connection.prepareStatement("Select * from test where field in (?)");
Array array = statement.getConnection().createArra...
Nodejs cannot find installed module on Windows
...r, it is using another algorithm to find required files: http://nodejs.org/api/modules.html#modules_file_modules (basically its scanning every folder in the path, starting from the current for node_modules folder and checks it).
See similar question for more details: How do I install a module glob...
Using jQuery to center a DIV on the screen
...ou need the jqueryUI library to use .position() as a function. Check out: api.jqueryui.com/position/
– jake
Jun 15 '13 at 17:04
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AngularJS - wait for multiple resource queries to complete
...tions--and, yes, you do--then you must use the catch method on the promise API like this:
$q.all([
doQuery('billing'),
doQuery('shipping')
]).then(function(data) {
var billingAccounts = data[0];
var shippingAccounts = data[1];
//TODO: something...
}).catch(function(data) {
//TO...