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Is it better to reuse a StringBuilder in a loop?
...e of StringBuilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
14 A...
how can you easily check if access is denied for a file in .NET?
...heck unless I have to. Is there a file access property I can check before hand?
6 Answers
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How to copy part of an array to another array in C#?
...wouldn't add explicit names unless it made the code significantly clearer, and I'm not sure (in this case) that the parameter names by themselves would achieve that.
– Marc Gravell♦
Aug 6 '12 at 17:57
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Getting Java version at runtime
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@Ha: Maybe but double version = 1.6 and Double.parseDouble("1.6") should still yield the same bit pattern, right? Since we don't do arithmetics on the number (only a simple compare), even == will work as expected.
– Aaron Digulla
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Managing constructors with many parameters in Java
...e("Spicoli")
.age(16)
.motto("Aloha, Mr Hand")
.buildStudent();
If we leave off a required field (presumably name is required) then we can have the Student constructor throw an exception.
And it lets us have default/optional arguments without need...
Optimising Android application before release [closed]
... I'm at a phase where I need to improve the performance of the application and reduce battery consumption .
14 Answers
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How to add a delay for a 2 or 3 seconds [closed]
...ex constrain when inserting into the database.
– GunWanderer
Apr 19 '18 at 16:48
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How do I measure time elapsed in Java? [duplicate]
...- starts;
}
public long time(TimeUnit unit) {
return unit.convert(time(), TimeUnit.MILLISECONDS);
}
}
Usage:
TimeWatch watch = TimeWatch.start();
// do something
long passedTimeInMs = watch.time();
long passedTimeInSeconds = watch.time(TimeUnit.SECONDS);
Aft...
Pass a JavaScript function as parameter
..."Hello World!") });
If you prefer, you could also use the apply function and have a third parameter that is an array of the arguments, like such:
function eat(food1, food2)
{
alert("I like to eat " + food1 + " and " + food2 );
}
function myFunc(callback, args)
{
//do stuff
//...
/...
Why does Twitter Bootstrap Use Pixels for Font Size?
...github.com/ivayloc/twbs-rem-em there is no need to make any calculation to convert pixels in rem or em units, there is build in @mixins for this - @include rem(property, values) - also fallback to px and for em convertion you can use em(value).
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