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How to find out which package version is loaded in R?

... LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C attached base packages: [1] graphics grDevices utils datasets stats grid methods base other attached packages: [1] ggplot2_0.9.0 reshape2_1.2.1 plyr_1.7.1 loaded via a namespace (and not attached): [1] co...
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What characters can be used for up/down triangle (arrow without stem) for display in HTML?

... U+26AB ⚫ MEDIUM BLACK CIRCLE U+26BD ⚽ SOCCER BALL U+26BE ⚾ BASEBALL U+26BF ⚿ SQUARED KEY U+26C0 ⛀ WHITE DRAUGHTSMAN U+26C1 ⛁ WHITE DRAUGHTS KING U+26C2 ⛂ BLACK DRAUGHTSMAN U+26C3 ⛃ BLACK DRAUGHTS KING U+26C4 ⛄ SNOWMAN WITHOUT SNOW U+26C5 ⛅ SUN BEHIN...
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Do try/catch blocks hurt performance when exceptions are not thrown?

...r version), but it was no difference in the Release version. Conclution: Based on these test, I think we can say that Try/Catch does have a small impact on performance. EDIT: I tried to increase the loop value from 10000000 to 1000000000, and ran again in Release to get some differences in the re...
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A fast method to round a double to a 32-bit int explained

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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How to have favicon / icon set when bookmarklet dragged to toolbar?

...t;<A HREF="http://mail.google.com/mail/u/0/#inbox" ICON="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABV0lEQVQ4jdWQzUoCYRiFnxl/0plso0IKX7mqXWCLIlq0qEW4d19Qi6BLCELwEgpvQbyAVrroCrSNUJFGAyrkEEEMNs5PCxtRHGsZneX7nedwzgd/LQngObfnykIQOj9Disd/BFxdZ3hVwtE0Mje3kuw9OJqGWSji1BtzYafeGH...
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How can I get a precise time, for example in milliseconds in Objective-C?

...e is a weird conversion - last line of the first example is "return * (uint64_t *) &elapsedNano;" why not just "return (uint64_t)elapsedNano" ? – Tyler Dec 29 '10 at 23:00 8 ...
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How are Python's Built In Dictionaries Implemented?

...49) When adding entries to the table, we start with some slot, i, that is based on the hash of the key. CPython initially uses i = hash(key) & mask (where mask = PyDictMINSIZE - 1, but that's not really important). Just note that the initial slot, i, that is checked depends on the hash of the k...
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)

... Current Directory System folder, C:\windows\system32 or c:\windows\SysWOW64 (for 32-bit process on 64-bit box). Reading from the Path environment variable In addition I'd check the dependencies of the DLL, the dependency walker provided with Visual Studio can help you out here, it can also be do...
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How do I initialize a byte array in Java?

...) Alternatively you could use Google Guava: import com.google.common.io.BaseEncoding; private static final byte[] CDRIVES = BaseEncoding.base16().lowerCase().decode("E04FD020ea3a6910a2d808002b30309d".toLowerCase()); The Guava method is overkill, when you are using small arrays. But Guava has al...
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ctypes - Beginner

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...