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Can I multiply strings in Java to repeat sequences? [duplicate]

...tion]).replace("\0", "-") Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 characters, and the built-in String#replace method does the rest. Here's a sample to copy and past...
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Add vertical whitespace using Twitter Bootstrap?

...ion in them. This is because those classes are applied from min-width: 0 and up, and thus are not bound by a media query. The remaining breakpoints, however, do include a breakpoint abbreviation. The classes are named using the format {property}{sides}-{size} for xs and {property}{sides...
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console.writeline and System.out.println

What exactly is the technical difference between console.writeline and System.out.println ? I know that System.out.println writes to standard output but is this not the same thing as the console? ...
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In C# what is the difference between a destructor and a Finalize method in a class?

What is the difference, if there is one, between a destructor and a Finalize method in a class? 3 Answers ...
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How to merge a specific commit in Git

I have forked a branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD . ...
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How to implement the factory method pattern in C++ correctly

...d thing is that you can immediately see what coordinate type you're using, and at the same time you don't have to worry about copying. If you want copying, and it's expensive (as proven by profiling, of course), you may wish to use something like Qt's shared classes to avoid copying overhead. As fo...
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Why does Pycharm's inspector complain about “d = {}”?

... a shame because it is useful for many things like PEP, ..., real problems and real performance hints. – dashesy Jan 14 '15 at 18:09 ...
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Android Fragments: When to use hide/show or add/remove/replace?

...longer visible. So you could technically still interact with the fragment and reattach its UI later you need to. If you replace the fragment, the you are actually pulling it out of the container and it will go through all of the teardown events in the lifecycle (onPause, onStop, etc) and if for so...
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Do try/catch blocks hurt performance when exceptions are not thrown?

...mployee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only important sections should be checked. The Micr...
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Adding a directory to the PATH environment variable in Windows

... these values. A new process will do so if it is started after this change and doesn't inherit the old environment from its parent. You didn't specify how you started the console session. The best way to ensure this is to exit the command shell and run it again. It should then inherit the updated PA...