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What is the most efficient way to store a list in the Django models?
...ed as a one-to-many foreign key relationship to a Friends table? I understand that myFriends are just strings but I would think that a better design would be to create a Friend model and have MyClass contain a foreign key realtionship to the resulting table.
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Escape double quotes in parameter
In Unix I could run myscript '"test"' and I would get "test" .
5 Answers
5
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rsync: how can I configure it to create target directory on server?
... rsync from local computer to server. On a directory that does not exist, and I want rsync to create that directory on the server first.
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What's the difference between the atomic and nonatomic attributes?
What do atomic and nonatomic mean in property declarations?
26 Answers
26
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How to deal with cyclic dependencies in Node.js
I've been working with nodejs lately and still getting to grips with the module system so apologies if this is an obvious question. I want code roughly like the following below:
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Postgres: clear entire database before re-creating / re-populating from bash script
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I'd just drop the database and then re-create it. On a UNIX or Linux system, that should do it:
$ dropdb development_db_name
$ createdb developmnent_db_name
That's how I do it, actually.
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What's the nearest substitute for a function pointer in Java?
...gFunction sf) {
int i = sf.func("my string");
// do whatever ...
}
And would be called like so:
ref.takingMethod(new StringFunction() {
public int func(String param) {
// body
}
});
EDIT: In Java 8, you could call it with a lambda expression:
ref.takingMethod(param -> ...
Backbone.js: get current route
... documentation:
"
[...]
History serves as a global router (per frame) to handle hashchange events or pushState, match the appropriate route, and trigger callbacks. You shouldn't ever have to create one of these yourself — you should use the reference to Backbone.history that will be created for y...
Is there a decorator to simply cache function return values?
... @Jonathan It works, but wrongly. If I pass a hashable, mutable argument, and change the value of the object after the first call of the function, the second call will return the changed, not the original, object. That is almost certainly not what the user wants. For it to work for mutable argume...
Make an HTTP request with android
...ion to access network, add following to your manifest:
<uses-permission android:name="android.permission.INTERNET" />
Then the easiest way is to use Apache http client bundled with Android:
HttpClient httpclient = new DefaultHttpClient();
HttpResponse response = httpclient.execute(new...