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Why are C# 3.0 object initializer constructor parentheses optional?
...mbiguous even in C# 1.0:
G((T)-x)
Is that "cast -x to T" or "subtract x from T"? Again, we have a heuristic that makes a good guess.
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How to make overlay control above all other controls?
...r Grid in your layout, give the control to be put on top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left...
How to use “/” (directory separator) in both Linux and Windows in Python?
... you are fortunate enough to be running Python 3.4+, you can use pathlib:
from pathlib import Path
path = Path(dir, subdir, filename) # returns a path of the system's path flavour
or, equivalently,
path = Path(dir) / subdir / filename
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How can I do something like a FlowLayout in Android?
...ders be aware that the code on the link has some serious issues and is far from drop-in solution. I've had two major issues in this small code base already. I won't post the fixes because they are duct tape solutions for my particular needs...
– Nemanja Kovacevic
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Android Studio: Plugin with id 'android-library' not found
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Instruct Gradle to download Android plugin from Maven Central repository.
You do it by pasting the following code at the beginning of the Gradle build file:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.andro...
Concatenate a vector of strings/character
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You can use stri_paste function with collapse parameter from stringi package like this:
stri_paste(letters, collapse='')
## [1] "abcdefghijklmnopqrstuvwxyz"
And some benchmarks:
require(microbenchmark)
test <- stri_rand_lipsum(100)
microbenchmark(stri_paste(test, collapse=...
C++ IDE for Macs [closed]
... Eclipse that can be configured to build and compile C++ projects.
Clion from JetBrains, also is available now, and uses Cmake as project model.
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NULL vs nullptr (Why was it replaced?) [duplicate]
...with NULL is that people sometimes mistakenly believe that it is different from 0 and/or not an integer. In pre-standard code, NULL was/is sometimes defined to something unsuitable and therefore had/has to be avoided. That's less common these days.
If you have to name the null pointer, call it ...
In Python, how do I use urllib to see if a website is 404 or 200?
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To use in python 3, just use from urllib.request import urlopen.
– Nathanael Farley
May 15 '16 at 20:17
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How to rotate portrait/landscape Android emulator? [duplicate]
I am new to Android development.
I know if you change a android phone from portrait to landscape sometimes the app relays its self out on the screen.. so how do I simulate rotating a phone with the emulator?
On the Blackberry emulators there's a button in the menu to turn the phone, but I can't f...