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C++: Rounding up to the nearest multiple of a number

...remainder; } Edit: Here's a version that works with negative numbers, if by "up" you mean a result that's always >= the input. int roundUp(int numToRound, int multiple) { if (multiple == 0) return numToRound; int remainder = abs(numToRound) % multiple; if (remainder == 0) ...
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Disable Logback in SpringBoot

...test</scope> </dependency> It fixed error like: _Caused by: java.lang.IllegalArgumentException:_ **LoggerFactory** is not a **Logback LoggerContext** but *Logback* is on the classpath. Either remove **Logback** or the competing implementation (_class org.apache.logging.slf4j.Log...
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Changing user agent on urllib2.urlopen

...ts. This is often used to “spoof” the User-Agent header, which is used by a browser to identify itself – some HTTP servers only allow requests coming from common browsers as opposed to scripts. For example, Mozilla Firefox may identify itself as "Mozilla/5.0 (X11; U; Linux i686) Gecko/20071127...
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Display JSON as HTML [closed]

...a readable format you can use the Google Code Prettify script as suggested by @A. Levy to colour code it. It is worth adding that IE7 and older browsers do not support the JSON.stringify method. share | ...
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How can I add numbers in a Bash script?

... Since $((…)) is standardized by POSIX, it should become increasingly rare that expr is necessary. – chepner Oct 28 '13 at 20:50 ...
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How to convert a color integer to a hex String in Android?

... Try Integer.toHexString() Source: In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? share | improve this answer | fol...
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Multidimensional Array [][] vs [,] [duplicate]

...arate each dimension. The following piece of code declares a rectangular 3-by-3 two-dimensional array, initializing it with numbers from 0 to 8: int [,] matrix = new int [3, 3]; for (int i = 0; i < matrix.GetLength(0); i++) for (int j = 0; j < matrix.GetLength(1); j++) matrix [i, ...
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Making a Simple Ajax call to controller in asp.net mvc

... Use a Razor to dynamically change your URL by calling your action like this: $.ajax({ type: "POST", url: '@Url.Action("ActionName", "ControllerName")', contentType: "application/json; charset=utf-8", data: { data: "yourdata" }, dataType: "json", ...
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How to turn NaN from parseInt into 0 for an empty string?

...tring is parsable to int. OP wants to get 0 instead of NaN. This is solved by Matt's code perfectly. – trejder Jul 18 '13 at 7:54 2 ...
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/etc/apt/sources.list" E212: Can't open file for writing

...tory. Turns out, while you can "open" non-existing file and then create it by saving it, this doesn't work with non-existing directory. And now I know about the Vim's built-in help system! :) – Dom Delimar Nov 10 '12 at 16:38 ...