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Is Java “pass-by-reference” or “pass-by-value”?
...rse). The chosen terminology and semantics easily confuse many beginners.
It goes like this:
public static void main(String[] args) {
Dog aDog = new Dog("Max");
Dog oldDog = aDog;
// we pass the object to foo
foo(aDog);
// aDog variable is still pointing to the "Max" dog when f...
How do I copy the contents of a String to the clipboard in C#? [duplicate]
... a String, how can I copy that to the clipboard so that the user can paste it into another window (for example, from my application to Notepad)?
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Temporarily disable auto_now / auto_now_add
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I've recently faced this situation while testing my application. I needed to "force" an expired timestamp. In my case I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_lengt...
How to compile a static library in Linux?
I have a question: How to compile a static library in Linux with gcc , i.e. I need to compile my source code into a file named out.a. Is it sufficient to simply compile with the command gcc -o out.a out.c ? I'm not quite familiar with gcc , hope anyone can give me a hand.
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LINQ to Entities case sensitive comparison
This isn't a case-sensitive comparison in LINQ to Entities:
8 Answers
8
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How can I check if a Perl array contains a particular value?
... to figure out a way of checking for the existence of a value in an array without iterating through the array.
12 Answers
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Django DB Settings 'Improperly Configured' Error
...ings:
Use python manage.py shell
Use django-admin.py shell --settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This is removed in Django 1.6) Use setup_environ in the python interpreter:
from django.core.m...
jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
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Having an argument in your it function (done in the code below) will cause Jasmine to attempt an async call.
//this block signature will trigger async behavior.
it("should work", function(done){
//...
});
//this block signature will run synchronous...
Preferred way to create a Scala list
...e below). You can use a mutable ListBuffer, create a var list and modify it, use a tail recursive method, and probably others that I don't know about.
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How can I manually generate a .pyc file from a .py file
...cursively into sub directories and make pyc files for all the python files it finds. The compileall module is part of the python standard library, so you don't need to install anything extra to use it. This works exactly the same way for python2 and python3.
python -m compileall .
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