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How do I run a Java program from the command line on Windows?
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Source: javaindos.
Let's say your file is in C:\mywork\
Run Command Prompt
C:\> cd \mywork
This makes C:\mywork the current directory.
C:\mywork> dir
This displays the directory contents. You should see
filenamehere.java among the files.
C:\mywork&...
Remove duplicates from a List in C#
Anyone have a quick method for de-duplicating a generic List in C#?
27 Answers
27
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Haskell: Lists, Arrays, Vectors, Sequences
I'm learning Haskell and read a couple of articles regarding performance differences of Haskell lists and (insert your language)'s arrays.
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Extract substring using regexp in plain bash
...amp;&
echo ${BASH_REMATCH[1]}
another solution using grep and look-around advanced regex :
$ echo "US/Central - 10:26 PM (CST)" | grep -oP "\-\s+\K\d{2}:\d{2}"
another solution using sed :
$ echo "US/Central - 10:26 PM (CST)" |
sed 's/.*\- *\([0-9]\{2\}:[0-9]\{2\}\).*/\1/'
anothe...
How to manually expand a special variable (ex: ~ tilde) in bash
I have a variable in my bash script whose value is something like this:
15 Answers
15
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What is Activity.finish() method doing exactly?
...activity, the method onDestroy() is executed. This method can do things like:
Dismiss any dialogs the activity was managing.
Close any cursors the activity was managing.
Close any open search dialog
Also, onDestroy() isn't a destructor. It doesn't actually destroy the object. It's just a method...
How to decide when to use Node.js?
I am new to this kind of stuff, but lately I've been hearing a lot about how good Node.js is. Considering how much I love working with jQuery and JavaScript in general, I can't help but wonder how to decide when to use Node.js. The web application I have in mind is something like Bitly - takes s...
Override back button to act like home button
On pressing the back button, I'd like my application to go into the stopped state, rather than the destroyed state.
10 Answ...
Scoping in Python 'for' loops
I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended):
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Checking if sys.argv[x] is defined
What would be the best way to check if a variable was passed along for the script:
8 Answers
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