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Using multiple let-as within a if-statement in Swift
I'm unwrapping two values from a dictionary and before using them I have to cast them and test for the right type. This is what I came up with:
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Android - Camera preview is sideways
...
This issue appeared to start out as a bug with certain hardware see here but can be overcome by using the call to mCamera.setDisplayOrientation(degrees) available in API 8. So this is how I implement it:
public void surfaceChanged(Surf...
Trim trailing spaces in Xcode
...M wiki seemed to be invalid. Instead of placing the .xcplugin in ~/Library/Application Support/Developer/Shared/Xcode/Plug-ins (as per Google's instructions) I had to put it in /Applications/Xcode.app/Contents/PlugIns and restart Xcode.
– Kristofer Sommestad
Ma...
django change default runserver port
... member. Save the file as a management command of your own, e.g. under <app-name>/management/commands/runserver.py:
from django.conf import settings
from django.core.management.commands import runserver
class Command(runserver.Command):
default_port = settings.RUNSERVER_PORT
I'm loadin...
How does one capture a Mac's command key via JavaScript?
... the command key on MacOS/keyboards.
Unlike Shift/Alt/Ctrl, the Cmd (“Apple”) key is not considered a modifier key—instead, you should listen on keydown/keyup and record when a key is pressed and then depressed based on event.keyCode.
Unfortunately, these key codes are browser-dependent:
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Performance differences between debug and release builds
... becomes x = 3; This simple example is caught early by the compiler, but happens at JIT time when other optimizations make this possible.
Copy propagation. x = a; y = x; becomes y = a; This helps the register allocator make better decisions. It is a big deal in the x86 jitter because it has few ...
Split views.py in several files
...ews import view1 Python will look for view1 in
views.py, which is what happens in the first (original) case
views/__init__.py, which is what happens in the second case. Here, __init__.py is able to provide the view1 method because it imports it.
With this kind of solution, you might have no ne...
How do I set a ViewModel on a window in XAML using DataContext property?
...arating them is useful for when you want to write isolated test cases.
In App.xaml:
<Application
x:Class="BuildAssistantUI.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:Bui...
Was PreferenceFragment intentionally excluded from the compatibility package?
I'm looking to write preferences that can be applied to both 3.0 and pre-3.0 devices. Discovering that PreferenceActivity contains deprecated methods (although these are used in the accompanying sample code), I looked at PreferenceFragement and the compatibility package to solve my woes.
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UICollectionView reloadData not functioning properly in iOS 7
I've been updating my apps to run on iOS 7 which is going smoothly for the most part. I have noticed in more than one app that the reloadData method of a UICollectionViewController isn't acting quite how it used to.
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