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Why does changing the sum order returns a different result?
... and then rounded to the nearest representable number. Here are two sums:
1/3 + 2/3 + 2/3 = (0.3333 + 0.6667) + 0.6667
= 1.000 + 0.6667 (no rounding needed!)
= 1.667 (where 1.6667 is rounded to 1.667)
2/3 + 2/3 + 1/3 = (0.6667 + 0.6667) + 0.3333
= 1....
Checkout subdirectories in Git?
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121
Sparse checkouts are now in Git 1.7.
Also see the question “Is it possible to do a sparse c...
Using CMake with GNU Make: How can I see the exact commands?
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When you run make, add VERBOSE=1 to see the full command output. For example:
cmake .
make VERBOSE=1
Or you can add -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON to the cmake command for permanent verbose command output from the generated Makefiles.
cmake -DCMAKE_V...
How can I detect if the user is on localhost in PHP?
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178
You can also use $_SERVER['REMOTE_ADDR'] for which IP address of the client requesting is give...
String.format() to format double in java
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String.format("%1$,.2f", myDouble);
String.format automatically uses the default locale.
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AngularJS ng-style with a conditional expression
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In R, how to get an object's name after it is sent to a function?
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162
The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
me...
git remove merge commit from history
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101
Do git rebase -i <sha before the branches diverged> this will allow you to remove the me...
Should I use a data.frame or a matrix?
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177
Part of the answer is contained already in your question: You use data frames if columns (vari...