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Network usage top/htop on Linux
...ocess.
NetHogs does not rely on a special kernel module to be loaded. If there's suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to identify programs that have gone wild and are suddenly taking up your bandwidth.
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The command rbenv install is missing
...stall ruby-build
# Building ruby-build form Ports will install rbenv only if the RBENV option is set
cd /usr/ports/devel/ruby-build
make install
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Batch Renaming of Files in a Directory
... as a formatting operator. But usually it is followed by the s or f to specify the format. Why is nothing (space) immediately after % in the said command?
– Shashank Sawant
Apr 5 '14 at 22:32
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How to set a default value with Html.TextBoxFor?
Simple question, if you use the Html Helper from ASP.NET MVC Framework 1 it is easy to set a default value on a textbox because there is an overload Html.TextBox(string name, object value) . When I tried using the Html.TextBoxFor method, my first guess was to try the following which did not work...
Couldn't connect to server 127.0.0.1:27017
...indicates that mongodb is terminating because there is an old lock file.
If you are not and were not running with journaling, remove the lock file, run repair, and start mongodb again.
If you are or were running with journaling turned on, see the relevant Mongo DB docs. Note that they say "If you...
android get all contacts
...tsContract.Contacts.CONTENT_URI,
null, null, null, null);
if ((cur != null ? cur.getCount() : 0) > 0) {
while (cur != null && cur.moveToNext()) {
String id = cur.getString(
cur.getColumnIndex(ContactsContract.Contacts._ID));
...
Find and kill a process in one line using bash and regex
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There is one small issue - if the process has already been terminated, this line of kill will churn out with the standard output kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
– Lionel...
Closing Hg Branches
...in/bash
#script to close the not required branch in mercurial
hg up -C $1
if [ $? -eq 0 ]; then
echo "$1 is up"
else
echo "branch not found, please recheck your argument"
exit 1
fi
# if we are here then the branch is up, so we do the following
hg commit --close-branch -m 'this branch n...
How to make link look like a button?
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This only works for me if I apply it to a tag directly (a {display: block ...}), which is not acceptable. Do you have any idea why class attribute inside a tag won't work? :( I'm using Firefox 27. I also tried a.button {...} and it doesn't work eit...
How to run cron job every 2 hours
...sername/test.sh
The 0 at the beginning means to run at the 0th minute. (If it were an *, the script would run every minute during every second hour.)
Don't forget, you can check syslog to see if it ever actually ran!
sha...