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SQLite: How do I save the result of a query as a CSV file?
...ite3.connect('your_cool_database.sqlite')
df = pd.read_sql('SELECT * from orders', conn)
df.to_csv('orders.csv', index = False)
You can customize the query to only export part of the sqlite table to the CSV file.
You can also run a single command to export all sqlite tables to CSV files:
for table...
Which concurrent Queue implementation should I use in Java?
...conds).
Fairness means that the Lock implementation will keep the threads ordered. Meaning if Thread A enters and then Thread B enters, Thread A will get the lock first. With no fairness, it is undefined really what happens. It will most likely be the next thread that gets scheduled.
As for whi...
What does f+++++++++ mean in rsync logs?
...he item (such as the creation of a directory or the changing of a symlink, etc.).
A h means that the item is a hard link to another item (requires --hard-links).
A . means that the item is not being updated (though it might have attributes that are being modified).
A * means that the rest of the ite...
How to gzip all files in all sub-directories into one compressed file in bash
...e tarred up/extracted, for example if I run
cd ~
tar -cvzf passwd.tar.gz /etc/passwd
tar: Removing leading `/' from member names
/etc/passwd
pwd
/home/myusername
tar -xvzf passwd.tar.gz
this will create
/home/myusername/etc/passwd
unsure if all versions of tar do this:
Removing leading `/...
Coding in Other (Spoken) Languages
...mbols. Later I learn that "for" meant "para" and "while" meant "mientras" etc. but in the mean time I did not need to know English, but in my case what I needed was to know "C".
Of course when I needed to learn more things, I had to learn English, for the documentation is written in that language....
How to programmatically set style attribute in a view
...ssible to create a style for a button which defines the text size, margins etc etc and then apply this to a button programatically. Surely its possible say if I have six buttons which want to have the same style?
– Bear
Jan 7 '12 at 2:30
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Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...itional support for developing (such as forms designers, resource editors, etc), compiling and debugging applications. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help you do things more quickly/easily. For example, a Bitmap Processing library w...
Creating a custom JButton in Java
...intComponent that the contents of the button can be changed, but that the border is painted by the paintBorder method. The getPreferredSize method also needs to be managed in order to dynamically support changes to the content. Care needs to be taken when measuring font metrics and image dimensions....
Merging between forks in GitHub
...ll is nothing more than a macro that does git fetch and git merge, in that order. You just need to fetch the list of commits from the first person's repository and then merge their branch into your tree. Merging should do the right thing with your commits on both branches.
GitHub, in all its perpet...
How to convert a table to a data frame
...need -- apparently, the table needs to somehow be converted to a matrix in order to be appropriately translated into a data frame. I found more details on this as.data.frame.matrix() function for contingency tables at the Computational Ecology blog.
...