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What is the purpose of setting a key in data.table?

... edited May 23 '17 at 12:34 Community♦ 111 silver badge answered Nov 18 '13 at 20:39 ...
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base64 encoded images in email signatures

... clients. For email purposes be sure to read Shadow2531's answer. Base-64 data is legal in an img tag and I believe your question is how to properly insert such an image tag. You can use an online tool or a few lines of code to generate the base 64 string. The syntax to source the image from in...
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

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How do I horizontally center a span element inside a div

... Jase 1,23922 gold badges1212 silver badges2424 bronze badges answered May 10 '13 at 20:01 adriftadrift 48.9k1111 gold bad...
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TimeSpan ToString format

... 144 Try: myTimeSpan.ToString("h'h 'm'm 's's'") (Note that even spaces need to be quoted - that's...
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How should one use std::optional?

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Check if a dialog is displayed with Espresso

... answered Jan 10 '14 at 14:28 denysdenys 6,05333 gold badges3030 silver badges3434 bronze badges ...
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How exactly does CMake work?

... Matt Montag 5,53277 gold badges3535 silver badges4545 bronze badges answered Jul 8 '13 at 13:58 ComicSansMSComicSansMS 40.6k88 ...
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What does -1 mean in numpy reshape?

... 614 The criterion to satisfy for providing the new shape is that 'The new shape should be compatible...
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What is the purpose of the -m switch?

... 143 The first line of the Rationale section of PEP 338 says: Python 2.4 adds the command line s...