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How can I reorder a list? [closed]
...d', 'e']
myorder = [3, 2, 0, 1, 4]
mylist = [mylist[i] for i in myorder]
print(mylist) # prints: ['d', 'c', 'a', 'b', 'e']
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Get keys from HashMap in Java
...out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one item in your HashMap, you're good, but if you have more than that, it's best to loop over the map...
In c# what does 'where T : class' mean?
... to a class (or more specifically a reference type which could be a class, interface, delegate, or array type).
See this MSDN article for further details.
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Get a CSS value with JavaScript
...Case();
});
value = el.currentStyle[styleProp];
// convert other units to pixels on IE
if (/^\d+(em|pt|%|ex)?$/i.test(value)) {
return (function(value) {
var oldLeft = el.style.left, oldRsLeft = el.runtimeStyle.left;
el.run...
Uncaught SyntaxError: Unexpected token with JSON.parse
... is an object. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]...
How to set delay in android?
...n any other solution posted. You can also produce regular notifications on intervals along the way using its onTick(long) method
Have a look at this example showing a 30seconds countdown
new CountDownTimer(30000, 1000) {
public void onFinish() {
// When timer is finished
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Linq to SQL how to do “where [column] in (list of values)”
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how to use in case of CodeId is Integer??
– Kiran Solkar
Dec 3 '16 at 8:53
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How do I turn off PHP Notices?
...ing JSON or XML or whatever, you might want to turn these off. Or at least convert them into exceptions and handle them accordingly.
– TheRealChx101
Oct 10 '18 at 20:18
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package R does not exist
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This is what I needed to do when converting an Eclipse test project to an Android Studio module.
– RightHandedMonkey
Aug 31 '15 at 14:11
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C# Passing Function as Argument [duplicate]
...e works but there are also delegates that do the same task and also define intent within the naming:
public delegate double MyFunction(double x);
public double Diff(double x, MyFunction f)
{
double h = 0.0000001;
return (f(x + h) - f(x)) / h;
}
public double MyFunctionMethod(double x)
{
...