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Extract a number from a string (JavaScript)
...ecific example,
var thenum = thestring.replace( /^\D+/g, ''); // replace all leading non-digits with nothing
in the general case:
thenum = "foo3bar5".match(/\d+/)[0] // "3"
Since this answer gained popularity for some reason, here's a bonus: regex generator.
function getre(str, num) {
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Could I change my name and surname in all previous commits?
I would like to change my name, surname and email in my all commits, is it possible?
6 Answers
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How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...o be filtered:
*.rb filter=gitignore, i.e. run filter named gitignore on all *.rb files
Define the gitignore filter in your gitconfig:
$ git config --global filter.gitignore.clean "sed '/#gitignore$/d'", i.e. delete these lines
$ git config --global filter.gitignore.smudge cat, i.e. do nothing ...
In Vim, is there a way to paste text in the search line?
I want to search for $maximumTotalAllowedAfterFinish and replace it with $minimumTotalAllowedAfterFinish . Instead of typing the long text:
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Generate list of all possible permutations of a string
How would I go about generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters.
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MySQL “NOT IN” query
I wanted to run a simple query to throw up all the rows of Table1 where a principal column value is not present in a column in another table ( Table2 ).
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Change Tomcat Server's timeout in Eclipse
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+1, all these years and I never knew that Server in the Servers tab was clickable and expandable. I was assuming right click had all the options available!
– Walls
Jul 30 '15 at 12:28
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Adding placeholder text to textbox
...der text it is possible to use the Windows SendMessage function to send EM_SETCUEBANNER message to our textbox to do the work for us.
This can be done with two easy steps. First we need to expose the Windows SendMessage function.
private const int EM_SETCUEBANNER = 0x1501;
[DllImport("user32.dll...
Parse large JSON file in Nodejs
... until you hit a newline. Assuming we have one JSON object per line (basically, format B):
var stream = fs.createReadStream(filePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash it in a string buffer
pump...
How to check certificate name and alias in keystore files?
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In order to get all the details I had to add the -v option to romaintaz answer:
keytool -v -list -keystore <FileName>.keystore
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