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How to prevent ENTER keypress to submit a web form?
...mitting the form. It had a button to perform a internal search, and it actually improves usability.
– Foxinni
Aug 30 '12 at 15:46
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How to do exponentiation in clojure?
...d recommend using this rather than going via Java interop since it handles all the Clojure arbitrary-precision number types correctly. It is in namespace clojure.math.numeric-tower.
It's called expt for exponentiation rather than power or pow which maybe explains why it's a bit hard to find ... any...
How to get the start time of a long-running Linux process?
... like this command:
ps -eo pid,lstart,cmd
The above command will output all processes, with formatters to get PID, command run, and date+time started.
Example (from Debian/Jessie command line)
$ ps -eo pid,lstart,cmd
PID CMD STARTED
1 Tue Jun 7 01...
How to pass a variable from Activity to Fragment, and pass it back?
... data), you need to use interfaces. The way you can do this is explained really good in the documentation tutorial of communication between fragments. Because all fragments communicate between each other through the activity, in this tutorial you can see how you can send data from the actual fragmen...
How to recursively download a folder via FTP on Linux [closed]
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You could rely on wget which usually handles ftp get properly (at least in my own experience). For example:
wget -r ftp://user:pass@server.com/
You can also use -m which is suitable for mirroring. It is currently equivalent to -r -N -l inf.
If you've so...
JavaScript moving element in the DOM
...he fact that getElementsByTagName returns a live NodeList that is automatically updated to reflect the order of the elements in the DOM as they are manipulated.
You could also use:
var divs = document.getElementsByTagName("div"); // order: first, second, third
divs[0].parentNode.appendChild(divs...
Upgrading Node.js to latest version
So, I have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed).
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How can I add a help method to a shell script?
... into a shell script? I would like to display a help message when a user calls myscript.sh -h .
6 Answers
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Load different colorscheme when using vimdiff
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If you're calling vimdiff from the command-line, put the following in your .vimrc:
if &diff
colorscheme some_other_scheme
endif
If you're using vimdiff from within vim, you'd either have to override the commands you use to st...
How to install python3 version of package via pip on Ubuntu?
I have both python2.7 and python3.2 installed in Ubuntu 12.04 .
The symbolic link python links to python2.7 .
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