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Java equivalents of C# String.Format() and String.Join()
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More precisely: StringBuffer for jdk1.4 and below, StringBuilder for jdk1.5 and after, since the latter is not synchronized, hence a little faster.
– VonC
Oct 9 '08 at 15:39
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What can I do with a moved-from object?
Does the standard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient.
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Another Repeated column in mapping for entity error
...lumn in the mapping. That means you mapped the same database column twice. And indeed, you have:
@Column(nullable=false)
private Long customerId;
and also:
@ManyToOne(optional=false)
@JoinColumn(name="customerId",referencedColumnName="id_customer")
private Customer customer;
(and the same goes...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
So I'm working on an exceedingly large codebase, and recently upgraded to gcc 4.3, which now triggers this warning:
24 Answ...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...on) so I wanted to test out the different methods of concatenating strings and abstracting the fastest way into a StringBuilder. I wrote some tests to see if this is true (it isn't!).
This was what I believed would be the fastest way, though I kept thinking that adding a method call may make it slo...
How to call an async method from a getter or setter?
...int (2) wouldn't work in that case. Just implement INotifyPropertyChanged, and then decide whether you want the old value returned or default(T) while the asynchronous update is in flight.
– Stephen Cleary
Nov 19 '13 at 11:57
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Is it possible to pass a flag to Gulp to have it run tasks in different ways?
...esn't offer any kind of util for that, but you can use one of the many command args parsers. I like yargs. Should be:
var argv = require('yargs').argv;
gulp.task('my-task', function() {
return gulp.src(argv.a == 1 ? options.SCSS_SOURCE : options.OTHER_SOURCE)
.pipe(sass({style:'nested'...
WPF: Grid with column/row margin/padding?
Is it easily possible to specify a margin and/or padding for rows or columns in a WPF Grid?
15 Answers
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What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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How to Reload ReCaptcha using JavaScript?
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i'm using this grecaptcha.reset(); for my react apps, and it works perfectly
– yussan
Apr 16 '16 at 16:41
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