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Count number of matches of a regex in Javascript
... mentioned in my earlier answer, you can use RegExp.exec() to iterate over all matches and count each occurrence; the advantage is limited to memory only, because on the whole it's about 20% slower than using String.match().
var re = /\s/g,
count = 0;
while (re.exec(text) !== null) {
++count;
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How do you run CMD.exe under the Local System Account?
I'm currently running Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account.
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
...ndas in Ipython Notebook, and while it gives me the object, it doesn't actually plot the graph itself. So it looks like this:
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What is a raw type and why shouldn't we use it?
...MyType<E> is a parameterized type (JLS 4.5). It is common to colloquially refer to this type as simply MyType for short, but technically the name is MyType<E>.
mt has a raw type (and generates a compilation warning) by the first bullet point in the above definition; inn also has a raw ty...
What is the difference between atan and atan2 in C++?
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std::atan2 allows calculating the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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Php multiple delimiters in explode
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You can take the first string, replace all the @ with vs using str_replace, then explode on vs or vice versa.
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How can I keep my fork in sync without adding a separate remote?
...:
There isn't anything to compare.
someone:master is up to date with all commits from me:master. Try switching the base for your comparison.
Click on switching the base on this page:
Then you get to see all the commits made to someone/foobar after the day you forked it.
Click on Create p...
Is there a C++ gdb GUI for Linux? [closed]
... Oh look. An answer that makes a claim without backing it up at all. I also find it odd that the answer which does not answer the question was accepted.
– alternative
Mar 19 '12 at 22:29
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How do you merge two Git repositories?
...hub.com/rails/rails.git master
This will appear as a single commit where all files of Rails master branch are added into "rails" directory.
However the commit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. ...
How to hide command output in Bash
...hat looks like this:
your_command "Is anybody listening?" >&-
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&am...