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Real World Example of the Strategy Pattern
...magic. Also the non-static way of holding strategies in strategyContext is top-notch
– Arnab Dutta
Sep 3 at 15:05
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Implementing slicing in __getitem__
...ceive a slice object when the object is sliced. Simply look at the start, stop, and step members of the slice object in order to get the components for the slice.
>>> class C(object):
... def __getitem__(self, val):
... print val
...
>>> c = C()
>>> c[3]
3
>>...
Detect if the app was launched/opened from a push notification
...xcept the app switcher. 1) When the notification center is pulled from the top and overlays the app 2) When the iOS's panel with wifi/BT/etc is pulled from the bottom and overlays the app. In all three cases just the applicationWillResignActive is called and then the applicationDidBecomeActive. So a...
How to Customize a Progress Bar In Android
...ent"
android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="16dp"
android:paddingBottom="16dp"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientati...
PowerShell: Store Entire Text File Contents in Variable
... of hackish to include trailing empty line:
[io.file]::ReadAllText(".\desktop\git-python\test.ps1").split("`n").count
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What's the difference between a Future and a Promise?
...fil the promise, but it can (and in fact in many cases is) done by using a top level loop that polls for changes in external state and resolves whichever promises relate to actions that have finished. Efficiency wise, I have no firm figures for Promises specifically, but note that calling get on an...
What does glLoadIdentity() do in OpenGL?
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
JavaScript global event mechanism
...an develop with more feedback because my dev errors appear as a box at the top of the page (as I have created it).
– Valamas
Jun 23 '14 at 3:02
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Cannot use ref or out parameter in lambda expressions
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As this is one of the top results for "C# lambda ref" on Google; I feel I need to expand on the above answers. The older (C# 2.0) anonymous delegate syntax works and it does support more complex signatures (as well closures). Lambda's and anonymou...
How to create your own library for Android development to be used in every program you write?
...or the applicationId. Only an Android app module can define this.
At the top of the file, you should see the following:
apply plugin: 'com.android.application'
Change it to the following:
apply plugin: 'com.android.library'
Save the file and click Tools > Android > Sync P...