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Getting root permissions on a file inside of vi? [closed]
...eed to add your user to sudoer file first, enter the root user, and open /etc/sudoers file, add your_username ALL=(ALL) ALL under the line root ALL=(ALL) ALL, quit and save.
– coolesting
Oct 25 '11 at 3:18
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Extracting just Month and Year separately from Pandas Datetime column
...column'].dt.to_period('M')
You could also use D for Day, 2M for 2 Months etc. for different sampling intervals, and in case one has time series data with time stamp, we can go for granular sampling intervals such as 45Min for 45 min, 15Min for 15 min sampling etc.
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Where in memory are my variables stored in C?
...for storing the frequently executed code (binary data), program variables, etc. The below memory segments talks about the same:
Typically there are three types of variables:
Local variables (also called as automatic variables in C)
Global variables
Static variables
You can have global static or lo...
What is the correct way to start a mongod service on linux / OS X?
... don't want/need launchctl, you can just run:
mongod --config /usr/local/etc/mongod.conf
==> Summary
???? /usr/local/Cellar/mongodb/3.0.6: 17 files, 159M
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Setting an object to null vs Dispose()
...y resources). These could be UI handles, network connections, file handles etc. These are limited resources, so you generally want to release them as soon as you can. You should implement IDisposable whenever your type "owns" an unmanaged resource, either directly (usually via an IntPtr) or indirect...
In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
... rows,
resequencing, compressing, managing
index paths, defragmenting, etc. is
what is known as OPTIMIZATION in mysql
and other terms in other databases.
For example, IBM DB2/400 calls it
REORGANIZE PHYSICAL FILE MEMBER.
It's kind of like changing the oil in
your car or getting a ...
Restarting cron after changing crontab file?
...u just want to make sure its done anyway,
sudo service cron reload
or
/etc/init.d/cron reload
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...tp://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errno:13 Permission denied'.
First I ran sudo service mongodb stop.
Then I used ls ...
How to create a simple proxy in C#?
...If you're using HttpListener, you just write the response to HttpListener.GetContext().Response.OutputStream. No need to care for the address.
– OregonGhost
Oct 22 '08 at 18:11
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C# switch on type [duplicate]
...);
It's a little less flexible as you can't fall through cases, continue etc. But I rarely do so anyway.
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