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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});
});
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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
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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
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Django connection to PostgreSQL: “Peer authentication failed”
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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)
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Hibernate openSession() vs getCurrentSession()
I have some questions about using Hibernate in JSP web application.
5 Answers
5
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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
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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
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How do you use Mongoose without defining a schema?
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Actually "Mixed" (Schema.Types.Mixed) mode appears to do exactly that in Mongoose...
it accepts a schema-less, freeform JS object - so whatever you can throw at it. It seems you have to trigger saves on that object manually afterwards, but it seems like a fair trad...
Why are arrays of references illegal?
...late classes using an array as a 'class' template parameter, and see what happens. You can't return them, assign them, pass them as parameters. ( an array param is treated as a pointer). But it is legal to make arrays of arrays.
References do have a size that the compiler can and must calculate - yo...
When to use Vanilla JavaScript vs. jQuery?
...ice... so mostly it revolves around the this keyword uneccessarily being wrapped into a jQuery object.
– jondavidjohn
Jan 10 '11 at 22:51
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