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Reducing memory usage of .NET applications?
...ure not to hold on to any instance longer than required.
Be aware of List<T> and similar types that double capacity when needed as they may lead to up 50% waste.
You could consider using value types over reference types to force more memory on the stack, but keep in mind that the default sta...
How to check that a string is an int, but not a double, etc.?
...
How about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string ...
How does Go update third-party packages?
... edited Dec 25 '16 at 16:18
Altenrion
63111 gold badge1212 silver badges3333 bronze badges
answered Dec 21 '15 at 7:40
...
java.util.Date to XMLGregorianCalendar
... XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives.
Date was always poorly designed and is more than 20 years old. This is simple: don’t use it.
XMLGregorianCalendar is old too and has an old-fashioned design. As I understand it, it was used for producing date...
Insert into … values ( SELECT … FROM … )
I am trying to INSERT INTO a table using the input from another table. Although this is entirely feasible for many database engines, I always seem to struggle to remember the correct syntax for the SQL engine of the day ( MySQL , Oracle , SQL Server , Informix , and DB2 ).
...
Why is “using namespace std;” considered bad practice?
...that some people disagree with my saying "feel free" like this -- because although a using statement in a cpp file is better than in a header (because it doesn't affect people who include your header file), they think it's still not good (because depending on the code it could make the implementatio...
Node.js - use of module.exports as a constructor
...dth;
}
area() {
return Math.pow(this.width, 2);
}
}
export default Square;
Using it in ES6
import Square from "./square";
// ...
When using a class, you must use the new keyword to instatiate it. Everything else stays the same.
...
How do I implement an Objective-C singleton that is compatible with ARC?
...
Won't this result in c1 being an instance of AAA's superclass? You need to call +alloc on self, not on super.
– Nick Forge
Oct 17 '13 at 0:44
...
A TwoWay or OneWayToSource binding cannot work on the read-only property
...s without code, but you should be able to set the BindingMode to OneWay.
<TextBox Text="{Binding Path=MyProperty, Mode=OneWay}" />
or from code:
Binding binding = new Binding();
binding.Mode = BindingMode.OneWay;
...
How to format a duration in java? (e.g format H:MM:SS)
...r for standard string formatting as per bobince's answer if you need to - although you should be careful of the situation where the duration is negative, as you probably want a single negative sign in the output string. So something like:
public static String formatDuration(Duration duration) {
...