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Syntax for creating a two-dimensional array
...ut int array[][] = new int[3][]; VS int array[][] = new int[][3]; ?? which one is legal as I have read both version somewhere.
– roottraveller
Jun 13 '17 at 9:40
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When should I use git pull --rebase?
...hink that it would actually be better if these two--remote and local--were one branch. Like in SVN. It is here where git pull --rebase comes into play. You no longer merge--you actually commit on top of the remote branch. That's what it actually is about.
Whether it's dangerous or not is the qu...
How to randomize (or permute) a dataframe rowwise and columnwise?
...meter replace=FALSE (the default) to sample(...) ensures that sampling is done without replacement which accomplishes a row wise shuffle.
Shuffle column-wise:
> df3 <- df1[,sample(ncol(df1))]
> df3
c a b
1 0 1 1
2 0 1 0
3 0 0 1
4 0 0 0
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Easiest way to convert int to string in C++
...upposed to be. It's a member of std in every compiler I know of except for one.
– Mooing Duck
May 31 '13 at 21:34
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How to set java_home on Windows 7?
...ent Variables in 'System' in the control panel and made two new variables, one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to
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How to delete multiple buffers in Vim?
...L files with :bd *.xml . However, Vim does not allow this (E93: More than one match...).
8 Answers
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The smallest difference between 2 Angles
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although one might want to do a % 360, e.g. if I had the angle 0 and the target angle 721, the correct answer would be 1, the answer given by the above would be 361
– Tom J Nowell
Oct 25 '11 at 1...
How do I assert equality on two classes without an equals method?
...atcher:
For latest version of Mockito use:
Assert.assertTrue(new ReflectionEquals(expected, excludeFields).matches(actual));
For older versions use:
Assert.assertThat(actual, new ReflectionEquals(expected, excludeFields));
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Understanding events and event handlers in C#
... "raised", it's really just "go through this list of methods and call each one, using these values as the parameters". Assigning an event handler is just a prettier, easier way of adding your method to this list of methods to be called).
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Clang vs GCC - which produces faster binaries? [closed]
...GCC, but I discovered Clang recently and I'm pondering switching. There is one deciding factor though - quality (speed, memory footprint, reliability) of binaries it produces - if gcc -O3 can produce a binary that runs 1% faster, or Clang binaries take up more memory or just fail due to compiler bu...