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What does gcc's ffast-math actually do?

... | edited Aug 31 '18 at 13:29 Rakete1111 41.2k1111 gold badges103103 silver badges135135 bronze badges ...
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What do hjust and vjust do when making a plot using ggplot?

...have the alignment relative to the axis.) DF <- data.frame(x=LETTERS[1:3],y=1:3) p <- ggplot(DF, aes(x,y)) + geom_point() + ylab("Very long label for y") + theme(axis.title.y=element_text(angle=0)) p1 <- p + theme(axis.title.x=element_text(hjust=0)) + xlab("X-axis at hjust=0") p...
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Setting design time DataContext on a Window is giving a compiler error?

... 263 I needed to add the mc:Ignorable="d" attribute to the Window tag. Essentially I learned somethin...
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Is cout synchronized/thread-safe?

... The C++03 standard does not say anything about it. When you have no guarantees about the thread-safety of something, you should treat it as not thread-safe. Of particular interest here is the fact that cout is buffered. Even if the ...
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How to generate gcc debug symbol outside the build target?

... chmurli 13.8k33 gold badges1313 silver badges1212 bronze badges answered May 15 '09 at 2:13 lotharlothar ...
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Storing custom objects in an NSMutableArray in NSUserDefaults

...hiver archivedDataWithRootObject:objectArray] forKey:@"savedArray"]; As f3lix pointed out, you need to make your custom object comply to the NSCoding protocol. Adding methods like the following should do the trick: - (void)encodeWithCoder:(NSCoder *)coder; { [coder encodeObject:label forKey:...
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How do I create a directory from within Emacs?

... | edited May 23 '17 at 12:26 Community♦ 111 silver badge answered Sep 30 '08 at 23:04 ...
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Split (explode) pandas dataframe string entry to separate rows

...ws()]).reset_index() Out[55]: index 0 0 a 1 1 b 1 2 c 1 3 d 2 4 e 2 5 f 2 Then you just have to rename the columns share | improve this answer | ...
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

...ooAsync() { var t = new SimpleAwaitable(); for (int i = 0; i < 3; i++) { try { Console.WriteLine("In Try"); return await t; } catch (Exception) { Console.WriteLine("Trying again..."); ...
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Shell script to delete directories older than n days

...Which is a bit more efficient, because it amounts to: rm -rf dir1 dir2 dir3 ... as opposed to: rm -rf dir1; rm -rf dir2; rm -rf dir3; ... as in the -exec method. With modern versions of find, you can replace the ; with + and it will do the equivalent of the xargs call for you, passing as ma...