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Easiest way to read from and write to files
...od on the string type. Note that the only thing that really matters is the function argument with extra keyword this, that makes it refer to the object that the method is attached to. The class name does not matter; the class and method must be declared static.
using System.IO;//File, Directory, Pa...
How to manually expand a special variable (ex: ~ tilde) in bash
... Safe, yes, but very much incomplete. My code isn't complex for the fun of it -- it's complex because the actual operations done by tilde expansion are complex.
– Charles Duffy
Aug 21 '15 at 14:14
...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...o 2013: javascript:void(0) violates Content Security Policy on CSP-enabled HTTPS pages. One option would be then to use href='#' and event.preventDefault() in the handler, but I don't like this much. Perhaps you can establish a convention to use href='#void' and make sure no element on the page has ...
Assigning out/ref parameters in Moq
...ooking for an answer also.
I found the following QuickStart guide useful:
https://github.com/Moq/moq4/wiki/Quickstart
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Why is this program erroneously rejected by three C++ compilers?
...
While I don't appreciate you making fun of my handwriting, this might be the real issue, and would explain the error I get when I try compiling the renamed helloworld.cpp with Visual C++: "fatal error C1004: unexpected end-of-file found" I'll try again and re...
How to read a text file reversely with iterator in C#
... second bit set are the start of a character
// See http://www.cl.cam.ac.uk/~mgk25/unicode.html
characterStartDetector = (pos, data) => (data & 0x80) == 0 || (data & 0x40) != 0;
}
else
{
throw new Argument...
How can I detect when an Android application is running in the emulator?
...
How about this solution:
fun isProbablyAnEmulator() = Build.FINGERPRINT.startsWith("generic")
|| Build.FINGERPRINT.startsWith("unknown")
|| Build.MODEL.contains("google_sdk")
|| Build.MODEL.contains("Emulator")
...
How to grey out a button?
...without having to create a state list, I would create a Kotlin extension.
fun View.disable() {
getBackground().setColorFilter(Color.GRAY, PorterDuff.Mode.MULTIPLY)
setClickable(false)
}
In Java you can do something is similar with a static util function and you would just have to pass in ...
Can I have onScrollListener for a ScrollView?
...ow the scroll position of a view, then you can use the following extension function on View class:
fun View?.onScroll(callback: (x: Int, y: Int) -> Unit) {
var oldX = 0
var oldY = 0
this?.viewTreeObserver?.addOnScrollChangedListener {
if (oldX != scrollX || oldY != scrollY) {...
What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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