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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime

...yV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/> <requiredRuntime version="v4.0.20506" /> </startup> share | imp...
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What's the best way to check if a String represents an integer in Java?

...ncerned with potential overflow problems this function will perform about 20-30 times faster than using Integer.parseInt(). public static boolean isInteger(String str) { if (str == null) { return false; } int length = str.length(); if (length == 0) { return false; ...
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typedef fixed length array

... answered Dec 24 '10 at 0:44 R.. GitHub STOP HELPING ICER.. GitHub STOP HELPING ICE 187k2929 gold badges306306 silver badges643643 bronze badges ...
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How do browsers pause/change Javascript when tab or window is not active?

... +200 Test One I have written a test specifically for this purpose: Frame Rate Distribution: setInterval vs requestAnimationFrame Note: T...
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UITableView load more when scrolling to bottom like Facebook application

... 103 You can do that by adding a check on where you're at in the cellForRowAtIndexPath: method. This...
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How to return an array from JNI to Java?

... 120 If you've examined the documentation and still have questions that should be part of your initia...
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Is there any boolean type in Oracle databases?

...read on asktom. From recommending CHAR(1) 'Y'/'N' they switch to NUMBER(1) 0/1 when someone points out that 'Y'/'N' depends on the English language, while e.g. German programmers might use 'J'/'N' instead. The worst thing is that they defend this stupid decision just like they defend the ''=NULL st...
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How to quit scala 2.11.0 REPL?

In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work. ...
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How to get execution time in rails console?

... | edited Jul 20 '19 at 4:28 Jeremy Baker 3,04833 gold badges2121 silver badges2525 bronze badges ...
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Relative frequencies / proportions with dplyr

...n = n()) %>% mutate(freq = n / sum(n)) # am gear n freq # 1 0 3 15 0.7894737 # 2 0 4 4 0.2105263 # 3 1 4 8 0.6153846 # 4 1 5 5 0.3846154 From the dplyr vignette: When you group by multiple variables, each summary peels off one level of the grouping. That makes ...