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What is TypeScript and why would I use it in place of JavaScript? [closed]
...since ES2015, this may actually exists during runtime as a variable called _this (see this answer). This may confuse you during debugging but generally is not a problem if you know about it or inspect the JavaScript code. It should be noted that Babel suffers the exact same kind of issue.
There are ...
Detecting when the 'back' button is pressed on a navbar
...(the NavigationController) with the help of willMoveToParentViewController(_:) OR didMoveToParentViewController()
If parent is nil, the view controller is being popped off the navigation stack and dismissed. If parent is not nil, it is being added to the stack and presented.
// Objective-C
-(void...
Convert integer to binary in C#
...o extra code, just input, conversion and output.
using System;
namespace _01.Decimal_to_Binary
{
class DecimalToBinary
{
static void Main(string[] args)
{
Console.Write("Decimal: ");
int decimalNumber = int.Parse(Console.ReadLine());
int...
Exporting APK from eclipse (ADT) silently crashes
...o Service Release 2 Build id: 20130225-0426
Gentoo Linux running Java 1.7.0_45-b18.
UPDATE: Few exports after, I still get crashes from time to time, but no very frequently.
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Mechanisms for tracking DB schema changes [closed]
...cause stuff will go wrong) [mysqldump].
Create bookkeeping table (called _meta) if it doesn't exist.
Read current VERSION from _meta table. Assume 0 if not found.
For all .sql files numbered higher than VERSION, execute them in order
If one of the files produced an error: roll back to the ba...
How to use java.net.URLConnection to fire and handle HTTP requests?
...n Java 7 and later, use the constant: java.nio.charset.StandardCharsets.UTF_8.name()
String param1 = "value1";
String param2 = "value2";
// ...
String query = String.format("param1=%s&param2=%s",
URLEncoder.encode(param1, charset),
URLEncoder.encode(param2, charset));
The query par...
Installing R with Homebrew
...--with-java" and "--with-openblas" options?
– chang02_23
Oct 24 '18 at 17:26
@chang02_23 No, by default it is not. The...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...en testing this, you need a minimum of 4-digit SHA1, because of int minimum_abbrev = 4 in environment.c. (Thanks @devnull for pointing that out!)
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What's the meaning of interface{}?
... for a type is called the "interface type". Let's call it in our example: T_interface. Is equal to T_interface = (A, B, C)
You can create an "interface type" by defining the signature of the methods. MyInterface = (A, )
When you specify a variable of type, "interface type", you can assign to it onl...
What are the best practices for catching and re-throwing exceptions?
... constructors etc as in Exception
}
class Component {
public function __construct() {
try {
$connect = new CONNECT($db, $user, $password, $driver, $host);
}
catch (Exception $e) {
throw new ComponentInitException($e->getMessage(), $e->getCod...