大约有 9,280 项符合查询结果（耗时：0.0199秒） [XML]
Java - JPA - @Version annotation
...sage triggers creation of an entity and there are multiple instances of an application listens to the message. I just want to avoid the unique constraint violation error..
– Manu
Jan 19 '16 at 6:28
...
Grasping the Node JS alternative to multithreading
...read and set a callback when it's done which means that the read could be happening on a different thread/core while the main node.js program is doing something else.
But from a node.js point of view, it's entirely single threaded and won't directly use more than one core.
...
Custom toast on Android: a simple example
...ext.setText("Hello! This is a custom toast!");
Toast toast = new Toast(getApplicationContext());
toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
toast.setDuration(Toast.LENGTH_LONG);
toast.setView(layout);
toast.show();
And check out the below links also for a custom Toast.
Custom Toast with An...
How to wrap async function calls into a sync function in Node.js or Javascript?
...on.
Sample code
/*require sync module*/
var Sync = require('sync');
app.get('/',function(req,res,next){
story.find().exec(function(err,data){
var sync_function_data = find_user.sync(null, {name: "sanjeev"});
res.send({story:data,user:sync_function_data});
});
...
Why does CSS not support negative padding?
...it the CSS of all children of a container. You might have generic CSS that applies to these elements across the document, and you don't want to change it for the contents of a particular container, for example.
– Rolf
Nov 3 '11 at 10:57
...
Add a dependency in Maven
...this to successfully add dependencies for my maven projects on both Google App Engine and Heroku.
– Leo C Han
Jan 6 '15 at 18:53
add a comment
|
...
Django connection to PostgreSQL: “Peer authentication failed”
...
Had the same problem with a Rails app, and it was the same solution - the host needed to be configured in config/database.yml - that is to say, in that file I needed to add the line host: localhost (or wherever you postgres server is - mine was local)
...
Hibernate openSession() vs getCurrentSession()
I have some questions about using Hibernate in JSP web application.
5 Answers
5
...
Difference between java.util.Random and java.security.SecureRandom
... it, so had to set a system property java.security.egd to the right one at app startup.
– maxpolk
Jun 11 '15 at 21:04
add a comment
|
...
Proper way to declare custom exceptions in modern Python?
...ture" - is this still intended for deprecation? Python 3.7 still seems to happily accept Exception(foo, bar, qux).
– mtraceur
Apr 20 '18 at 22:36
...