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How to perform OR condition in django queryset?
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from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))
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Which is better, number(x) or parseFloat(x)?
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The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, while Number/+ is for coercing a value to a number. They behave differently. But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'); // ...
Mapping composite keys using EF code first
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You definitely need to put in the column order, otherwise how is SQL Server supposed to know which one goes first? Here's what you would need to do in your code:
public class MyTable
{
[Key, Column(Order = 0)]
public string SomeId { get; set; }
[Key, Colu...
Changing the default folder in Emacs
I am fairly new to Emacs and I have been trying to figure out how to change the default folder for C-x C-f on start-up. For instance when I first load Emacs and hit C-x C-f its default folder is C:\emacs\emacs-21.3\bin , but I would rather it be the desktop. I believe there is some way to custo...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...advantage of the new auto layout features of iOS 6 while still providing compability with older devices on earlier versions of iOS?
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IntelliJ and Tomm>cat m>…changed files are not automatically recognized by Tomm>cat m>
I am running Intellij Ultimate with Tomm>cat m> and deploy a war. Everything deploys fine to the webapp directory of tomm>cat m>.
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What does FrameLayout do?
I'm new to programming. I was using Graphical Layout then when I was reading xml file, I saw FrameLayout. Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
The 'Wat' talk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript.
5 Answers
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Draw multi-line text to Canvas
A hopefully quick question, but I can't seem to find any examples... I'd like to write multi-line text to a custom View via a Canvas , and in onDraw() I have:
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SVG: text inside rect
I want to display some text inside SVG rect . Is it possible?
5 Answers
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