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android View not attached to window manager
...miss it
if (context instanceof Activity) {
// Api >=17
if (!((Activity) context).isFinishing() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
if (!((Activity) context).isDestroyed()) ...
JavaScript: What are .extend and .prototype used for?
...ibraries to make it easy to create objects from other objects. See http://api.jquery.com/jQuery.extend/ or http://www.prototypejs.org/api/object/extend for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prototype (...
When would I use Task.Yield()?
...s free to return using a completely synchronous path.
If you're making an API where it's critical that you don't block and you run some code asynchronously, and there's a chance that the called method will run synchronously (effectively blocking), using await Task.Yield() will force your method to ...
Should I always return IEnumerable instead of IList?
...e track.
Returning a more derived type (IList) provides the users of your API with more operations on the result.
I would always suggest returning the least derived type that has all the operations your users are going to need... so basically, you first have to deremine what operations on the resu...
How to split a string in Java
...other examples:
([A-Z]+)-([A-Z]+) // Each part consists of only capital letters
([^-]+)-([^-]+) // Each part consists of characters other than -
([A-Z]{2})-(\d+) // The first part is exactly two capital letters,
// the second consists of dig...
How can I make a Python script standalone executable to run without ANY dependency?
... investigate Nuitka. It takes Python source code and converts it in to C++ API calls. Then it compiles into an executable binary (ELF on Linux). It has been around for a few years now and supports a wide range of Python versions.
You will probably also get a performance improvement if you use it. It...
How to get the value from the GET parameters?
...ing in a (modern) browser you can use the URL object (which is part of the APIs provided by browsers to JS):
var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; //window.location.href
var url = new URL(url_string);
var c = url.searchParams.get("c");
console.log(c)...
What to gitignore from the .idea folder?
...for IntelliJ contains the following
# Created by https://www.gitignore.io/api/intellij
### Intellij ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# Use...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
...it in a "util" class. I had to modify it slightly to work with the current API.
For reference here's the working code (take it at your own risk...):
public static<A, B, C> Stream<C> zip(Stream<? extends A> a,
Stream<? extends B> b,
...
Difference between class and type
...ld be considered valid.
The Java type system, as exposed by the reflection API, has two types: Class<T> class and Type interface, which the former implements. In this system, a class (an element that is described by an instance of Class<T>) is any type created with the keyword class or i...