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How to use the toString method in Java?
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... copy this program into your Eclipse, and run it... you will get the ideas about String.toString...
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Deep null checking, is there a better way?
...here T : class
{
return obj != null ? f(obj) : default(R);
}
It's an idea I derrived from the null coalescing operator in C# and T-SQL. The nice thing is that the return type is always the return type of the inner property.
That way you can do this:
var berries = cake.Coal(x => x.frosting...
Reload content in modal (twitter bootstrap)
...nk, when I get modal window, all my page's dropdown are getting reset. Any idea, how to prevent that?
– Jaikrat
May 7 '14 at 7:06
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?
...the answer you're looking for? Browse other questions tagged java intellij-idea or ask your own question.
Why is using “for…in” for array iteration a bad idea?
...your JavaScript library...
Array.prototype.foo = 1;
// Now you have no idea what the below code will do.
var a = [1, 2, 3, 4, 5];
for (var x in a){
// Now foo is a part of EVERY array and
// will show up here as a value of 'x'.
console.log(x);
}
/* Will display:
0
1...
Is it a good idea to use Google Guava library for Android development?
...n', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f14978699%2fis-it-a-good-idea-to-use-google-guava-library-for-android-development%23new-answer', 'question_page');
}
);
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What's the Hi/Lo algorithm?
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The basic idea is that you have two numbers to make up a primary key- a "high" number and a "low" number. A client can basically increment the "high" sequence, knowing that it can then safely generate keys from the entire range of the ...
Building with Lombok's @Slf4j and Intellij: Cannot find symbol log
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I've used it successfully with IDEA 11 and 12. Occasionally, something seems to "forget" about Lombok, and I get a bunch of red lines in the source code, but it still builds for me. It comes and goes, though, so the plugin definitely isn't bug-free.
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RegEx backreferences in IntelliJ
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Seems like "\" is not required: jetbrains.com/idea/help/…. Also, for me it works only if I explicitly surround my group with "()", otherwise I can't reference it later. Ex: search (foo) replace: $1bar
– Ghedeon
Nov 17 '15 at 15:41...
What does “coalgebra” mean in the context of programming?
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Algebras
I think the place to start would be to understand the idea of an algebra. This is just a generalization of algebraic structures like groups, rings, monoids and so on. Most of the time, these things are introduced in terms of sets, but since we're among friends, I'll talk about H...