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Split string into array of character strings

... This is indeed a regex-expression, called a negative lookahead. Checkout the documentation here: docs.oracle.com/javase/6/docs/api/java/util/regex/… – Erwin May 28 '14 at 8:51 ...
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How do I measure the execution time of JavaScript code with callbacks?

... put this at the top of my app. var start = process.hrtime(); var elapsed_time = function(note){ var precision = 3; // 3 decimal places var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million to get nano to milli console.log(process.hrtime(start)[0] + " s, " + elapsed....
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Java equivalent of unsigned long long?

... @PP.: I don't think it's possible to define sensible rules which allow free interaction between signed and unsigned types when at least one of them has defined wrapping behavior. That having been said, unsigned byte or unsigned short would have caused zero trouble since bytes don't intera...
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How to round up a number to nearest 10?

...$input / 10) * 10; Edit: I've been doing it this way for so long.. but TallGreenTree's answer is cleaner. share | improve this answer | follow | ...
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How to solve javax.net.ssl.SSLHandshakeException Error?

...grated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-end process. Can any one say how to fix this issue? ...
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Android emulator shows nothing except black screen and adb devices shows “device offline”

...tor comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline.after 2-3 minutes the list of attached devices becomes...
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Rotating and spacing axis labels in ggplot2

... Change the last line to q + theme(axis.text.x = element_text(angle = 90, vjust = 0.5, hjust=1)) By default, the axes are aligned at the center of the text, even when rotated. When you rotate +/- 90 degrees, you usually want it to be aligned at the edge instead: The image ab...
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How to get Twitter-Bootstrap navigation to show active link?

...g the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition. – Dustin Frazier May 9 '12 at 17:17 ...
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Converting from a string to boolean in Python?

... Use: bool(distutils.util.strtobool(some_string)) Python 2: http://docs.python.org/2/distutils/apiref.html?highlight=distutils.util#distutils.util.strtobool Python 3: https://docs.python.org/3/distutils/apiref.html#distutils.util.strtobool True values are y...
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How to write a caption under an image?

...line-block; } figcaption { margin: 10px 0 0 0; font-variant: small-caps; font-family: Arial; font-weight: bold; color: #bb3333; } figure { padding: 5px; } img:hover { transform: scale(1.1); -ms-transform: scale(1.1); -webkit-transform: scale(1.1); ...