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How to see if an object is an array without using reflection?
How can I see in Java if an Object is an array without using reflection?
And how can I iterate through all items without using reflection?
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Output of git branch in tree like fashion
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The answer below uses git log:
I mentioned a similar approach in 2009 with "Unable to show a Git tree in terminal":
git log --graph --pretty=oneline --abbrev-commit
But the full one I have been using is in "How to display the tag name and...
How to get everything after a certain character?
I've got a string and I'd like to get everything after a certain value. The string always starts off with a set of numbers and then an underscore. I'd like to get the rest of the string after the underscore. So for example if I have the following strings and what I'd like returned:
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Bash script to set up a temporary SSH tunnel
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You can do this cleanly with an ssh 'control socket'. To talk to an already-running SSH process and get it's pid, kill it etc. Use the 'control socket' (-M for master and -S for socket) as follows:
$ ssh -M -S my-ctrl-socket ...
What is the optimal Jewish toenail cutting algorithm?
I am working on the software for a machine that will automatically trim toenails, so that users can simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
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pycharm convert tabs to spaces automatically
I am using pycharm IDE for python development it works perfectly fine for django code so suspected that converting tabs to spaces is default behaviour, however in python IDE is giving errors everywhere because it can't convert tabs to spaces automatically is there a way to achieve this.
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How do I horizontally center a span element inside a div
...ying to center the two links 'view website' and 'view project' inside the surrounding div. Can someone point out what I need to do to make this work?
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What encoding/code page is cmd.exe using?
When I open cmd.exe in Windows, what encoding is it using?
6 Answers
6
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Regex, every non-alphanumeric character except white space or colon
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[^a-zA-Z\d\s:]
\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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How do I add a Maven dependency in Eclipse?
I don't know how to use Maven at all. I've been developing for a couple years with Eclipse and haven't yet needed to know about it. However, now I'm looking at some docs that suggest I do the following:
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