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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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UIView's frame, bounds, center, origin, when to use what?

UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
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Simple explanation of clojure protocols

I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols? ...
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Bootstrap NavBar with left, center or right aligned items

...te a navigation bar that has Logo A on the left, menu items in the center, and Logo B on the right? 10 Answers ...
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How to convert a data frame column to numeric type?

... 3 4 d 4 4 d 4 5 e 5 5 e 5 and let us run: > sapply(d, mode) char fake_char fac char_fac num "character" "character" "numeric" "numeric" "numeric" > sapply(d, class) char fake_char fac char...
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Animated GIF in IE stopping

... not work for me. After some more research I came across this workaround, and it actually does work. Here is the gist of it: function showProgress() { var pb = document.getElementById("progressBar"); pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>'; pb.s...
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What is the bower (and npm) version syntax?

... In a nutshell, the syntax for Bower version numbers (and NPM's) is called SemVer, which is short for 'Semantic Versioning'. You can find documentation for the detailed syntax of SemVer as used in Bower and NPM on the API for the semver parser within Node/npm. You can learn more...
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What is the difference between a.getClass() and A.class in Java?

...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() . 7 Answers ...
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Why use static_cast(x) instead of (int)x?

...l static_cast<>(), reinterpret_cast<>(), const_cast<>(), and dynamic_cast<>(). These four things are completely different. A static_cast<>() is usually safe. There is a valid conversion in the language, or an appropriate constructor that makes it possible. The only tim...
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Checkboxes in web pages – how to make them bigger?

The standard checkboxes rendered in most browsers are quite small and don’t increase in size even when a larger font is used. What is the best, browser-independent way to display larger checkboxes? ...