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What does gcc's ffast-math actually do?
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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...
Setting design time DataContext on a Window is giving a compiler error?
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263
I needed to add the mc:Ignorable="d" attribute to the Window tag. Essentially I learned somethin...
Is cout synchronized/thread-safe?
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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 ...
How to generate gcc debug symbol outside the build target?
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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:...
How do I create a directory from within Emacs?
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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
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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...");
...
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...
