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Add padding on view programmatically
... padding to padding-pixels.
If you want to set it in dp instead, you can do a conversion:
float scale = getResources().getDisplayMetrics().density;
int dpAsPixels = (int) (sizeInDp*scale + 0.5f);
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Create Directory When Writing To File In Node.js
...10.11.0
You can solve this with a package like mkdirp or fs-extra. If you don't want to install a package, please see Tiago Peres França's answer below.
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Difference between abstract class and interface in Python
...ise NotImplementedError( "Should have implemented this" )
Because Python doesn't have (and doesn't need) a formal Interface contract, the Java-style distinction between abstraction and interface doesn't exist. If someone goes through the effort to define a formal interface, it will also be an abs...
How to get Ruby / Homebrew / RVM to work on Yosemite?
... further below.
cd /System/Library/Frameworks/Ruby.framework/Versions/
sudo ln -s Current 1.8
brew update
sudo unlink 1.8
Already made changes to brew files and stuck in a git mess?
I tried to edit /usr/local/Library/brew.rb but the local change to my git repo was preventing brew update from p...
How do I dynamically change the content in an iframe using jquery?
.../javascript" src="jquery.js"></script>
<script>
$(document).ready(function(){
var locations = ["http://webPage1.com", "http://webPage2.com"];
var len = locations.length;
var iframe = $('#frame');
var i = 0;
setInterval(function () {
...
django admin - add custom form fields that are not part of the model
... extra_field = self.cleaned_data.get('extra_field', None)
# ...do something with extra_field here...
return super(YourModelForm, self).save(commit=commit)
class Meta:
model = YourModel
To have the extra fields appearing in the admin just:
edit your admin.py and s...
Best practices for API versioning? [closed]
...different API versions in parallel by using source control systems that predominantly work on files as the smallest unit of (source code) versioning.
However, with API versions clearly visible in URI there's a caveat: one might also object this approach since API history becomes visible/aparent in ...
How many Activities vs Fragments?
...hat the tutorials are very simplified. They just introduce Fragments but I do not agree with the pattern as suggested.
I also agree that it is not a good idea to duplicate your app's logic across many Activities (see DRY Principle on wikipedia).
I prefer the pattern used by the ActionBarSherlock...
jquery UI dialog: how to initialize without a title bar?
...best solution is to use the option dialogClass.
An extract from jquery UI docs:
during init : $('.selector').dialog({ dialogClass: 'noTitleStuff' });
or if you want after init. :
$('.selector').dialog('option', 'dialogClass', 'noTitleStuff');
So i created some dialog with option dialogCla...
Compare floats in php
...
If you do it like this they should be the same. But note that a characteristic of floating-point values is that calculations which seem to result in the same value do not need to actually be identical. So if $a is a literal .17 and ...