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differentiate null=True, blank=True in django
When we add a database field in django we generally write:
18 Answers
18
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How to update Ruby to 1.9.x on Mac?
...ount on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks
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jQuery checkbox change and click event
... JSFiddle and does what you're asking for.This approach has the added benefit of firing when a label associated with a checkbox is clicked.
Updated Answer:
$(document).ready(function() {
//set initial state.
$('#textbox1').val(this.checked);
$('#checkbox1').change(function() {
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Should the hash code of null always be zero, in .NET
...null as a set member, one can ask what the hash code of null should be. It looks like the framework uses 0 :
9 Answers
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How to delete an app from iTunesConnect / App Store Connect
I submitted a brand new app to AppStore and it got rejected by the Lords ... (nothing new there). What I want to do is delete that app completely from my itunesconnect account. I don't know what apple recently changed but in the past once the app was rejected I use to see a "delete" button on the su...
Saving an Object (Data persistence)
...pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('banan...
Generate UML Class Diagram from Java Project [closed]
...ML that will show an overview of how my classes are related to each other? It doesn't need to decompile from JAR file because I have the sources. I know there are quite a few out there but most of those can only generate individual class. I hope there is a tool that can generate class diagram that s...
Setting Objects to Null/Nothing after use in .NET
...et all the objects to null ( Nothing in VB.NET) once you have finished with them?
15 Answers
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Which Eclipse files belong under version control?
Which Eclipse files is it appropriate to put under source control, aside from the sources obviously?
8 Answers
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Why and when to use Node.js? [duplicate]
Sorry if I'm a bit ambiguous, but I'm trying to understand the real advantages of using Node.js instead of other server-side language.
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