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Creating a dynamic choice field

...passing the user to the form init class waypointForm(forms.Form): def __init__(self, user, *args, **kwargs): super(waypointForm, self).__init__(*args, **kwargs) self.fields['waypoints'] = forms.ChoiceField( choices=[(o.id, str(o)) for o in Waypoint.objects.filter(use...
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How to fix a locale setting warning from Perl?

... used ssh to connect to this older host from a newer desktop machine. It's common for /etc/ssh/sshd_config to contain AcceptEnv LANG LC_* which allows clients to propagate the values of those environment variables into new sessions. The warning gives you a hint about how to squelch it if you don...
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unique object identifier in javascript

... var id = 0; Object.id = function(o) { if ( typeof o.__uniqueid == "undefined" ) { Object.defineProperty(o, "__uniqueid", { value: ++id, enumerable: false, // This could go either way, depending on your...
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Does python have an equivalent to Java Class.forName()?

...honic way of doing it. Here's a function that does what you want: def get_class( kls ): parts = kls.split('.') module = ".".join(parts[:-1]) m = __import__( module ) for comp in parts[1:]: m = getattr(m, comp) return m You can use the return value of this ...
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Underscore vs Double underscore with variables and methods [duplicate]

Somebody was nice enough to explain to me that __method() mangles but instead of bothering him further since there are a lot of other people who need help I was wondering if somebody could elaborate the differences further. ...
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How to enter command with password for git pull?

... This is not exactly what you asked for, but for http(s): you can put the password in .netrc file (_netrc on windows). From there it would be picked up automatically. It would go to your home folder with 600 permissions. you could also just clone the repo with https://use...
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Testing two JSON objects for equality ignoring child order in Java

...ng if you aren't asserting JSON. You could have a thin test which makes a http request and responds with some expected JSON - it's the main functional behaviour of the web service. – mogronalol Sep 7 '16 at 9:13 ...
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How to convert JSON to a Ruby hash

... Have you tried: http://flori.github.com/json/? Failing that, you could just parse it out? If it's only arrays you're interested in, something to split the above out will be quite simple. ...
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How to provide different Android app icons for different gradle buildTypes?

...r's partial AndroidManifest.xml file as well: <manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools"> <application tools:replace="android:icon" android:icon="@drawable/alternative_icon" /> </ma...
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How to install therubyracer gem on 10.10 Yosemite?

... git clone https://github.com/cowboyd/libv8.git cd libv8 bundle install bundle exec rake clean build binary gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use th...