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How to hide keyboard in swift on pressing return key?
...miss the keyboard using the following function
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
self.view.endEditing(true)
return false
}
Here is a full example to better illustrate that:
//
// ViewController.swift
//
//
import UIKit
class ViewController: UIViewContro...
.NET Process.Start default directory?
...\system32.
You can determine the value of %SYSTEMROOT% by using:
string _systemRoot = Environment.GetEnvironmentVariable("SYSTEMROOT");
Here is some sample code that opens Notepad.exe with a working directory of %ProgramFiles%:
...
using System.Diagnostics;
...
ProcessStartInfo _processStar...
Installing Java on OS X 10.9 (Mavericks)
... you can get some FAQ and install from here: java.com/en/download/faq/java_mac.xml but i did not try it out.
– Guy
Oct 25 '13 at 4:48
...
How to get current page URL in MVC 3
... copy/paste from that ILSpy view:
public Uri Url
{
get
{
if (this._url == null && this._wr != null)
{
string text = this.QueryStringText;
if (!string.IsNullOrEmpty(text))
{
text = "?" + HttpEncoder.CollapsePercentUFromStringInternal(text,
thi...
Does Java have something like C#'s ref and out keywords?
...mulate reference with wrappers.
And do the following:
void changeString( _<String> str ) {
str.s("def");
}
void testRef() {
_<String> abc = new _<String>("abc");
changeString( abc );
out.println( abc ); // prints def
}
Out
void setString( _<String> re...
Str_replace for multiple items
I remember doing this before, but can't find the code. I use str_replace to replace one character like this: str_replace(':', ' ', $string); but I want to replace all the following characters \/:*?"<>| , without doing a str_replace for each.
...
How to check if all elements of a list matches a condition?
... items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
False
Note that all(flag == 0 for (_, _, flag) in items) is directly equivalent to all(...
Finding quaternion representing the rotation from one vector to another
...ion is produced -- check and see for yourself).
// N.B. the arguments are _not_ axis and angle, but rather the
// raw scalar-vector components.
Quaternion(float w, Vector3 xyz);
Quaternion get_rotation_between(Vector3 u, Vector3 v)
{
// It is important that the inputs are of equal length when
...
Getting the error “Missing $ inserted” in LaTeX
... mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element.
However, if you're trying to display code, a better solution would be to use the \verb command, which will typeset the text in a monospaced font and will automatically handle underscores a...
Simple example of threading in C++
....
http://www.threadingbuildingblocks.org/
http://www.boost.org/doc/libs/1_37_0/doc/html/thread.html
Using boost::thread you'd get something like:
#include <boost/thread.hpp>
void task1() {
// do stuff
}
void task2() {
// do stuff
}
int main (int argc, char ** argv) {
using...