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Count number of occurrences of a pattern in a file (even on same line)
...t work in all cases. Man page says:
-c print a count of matching lines
Difference in these approaches is illustrated below:
1.
$ echo afoobarfoobar | grep -oc foo
1
As soon as the match is found in the line (a{foo}barfoobar) the searching stops. Only one line was checked and it matched, so th...
How does this site infecting script work?
...manually changed http: to evil:)
Note that the regex could have been simplified to .replace(/[#$@^&()!]/ig, '')
If you look at the script, you'll see that it's a very simple script that injects a hidden IFRAME containing the path /index.php?ys from the same domain.
I requested that page in Fi...
How can you automatically remove trailing whitespace in vim
...
Maybe you could explicit that the e at the end means, if we did not find the pattern, vi does not consider the substitute command as failed
– LLenain
Dec 1 '16 at 12:46
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What does Google Closure Library offer over jQuery? [closed]
...th Firebug and support unit tests, which are both developers' best friends nowadays.
Documentation
I guess that as any new library VS a well established one, it will lack the availability of tons of extensions and tutorial that jQuery has. However, being pushed by Google should ensure that support...
Create a .csv file with values from a Python list
... Writerows seems to break up each element in the list into columns if each element is a list as well. This is pretty handy for outputting tables.
– whatnick
Oct 7 '14 at 5:22
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Block Declaration Syntax List
... I presume) is notoriously incongruous. Passing blocks as arguments looks different than declaring blocks as ivars, which looks different than typedef ing blocks.
...
Java Serializable Object to Byte Array
...tStream(bis);
Object o = in.readObject();
...
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
// ignore close exception
}
}
share
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improve...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...etTextSize() is working abnormally. Right after the call to setTextSize if we get a getTextSize its returning a much higher value that what we set it to earlier.
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How to find out if an item is present in a std::vector?
...ind(vec.begin(), vec.end(), item) != vec.end()
This returns a bool (true if present, false otherwise). With your example:
#include <algorithm>
#include <vector>
if ( std::find(vec.begin(), vec.end(), item) != vec.end() )
do_this();
else
do_that();
...
Why doesn't indexOf work on an array IE8?
... works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
7 Ans...