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Using R to list all files with a specified extension
...and am working on updating an R script to iterate through a series of .dbf tables created using ArcGIS and produce a series of graphs.
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Should I make HTML Anchors with 'name' or 'id'?
...o don't forget, you can use this not only with spans but with divs or even table cells, and then you have access to the :target pseudo-class on the element. Just watch out not to change the width, like with bold text, cause that moves content around, which is disturbing.
Named anchors - my vote is ...
django unit tests without a db
... database tool. Then run the following command to create the corresponding tables:
./manage.py syncdb --settings=mysite.no_db_settings
If you're using South, also run the following command:
./manage.py migrate --settings=mysite.no_db_settings
OK!
You can now run unit tests blazingly fast (and...
How can I update NodeJS and NPM to the next versions?
...it by installing n:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
It will install the current stable version of node.
EDIT: Please don't use n anymore. I recommend using nvm. You can simply install stable by following the commands below:
nvm ls-remote
nvm install <version>...
Flexbox: center horizontally and vertically
...ms are stacked vertically:
#container {
display: flex; /* establish flex container */
flex-direction: column; /* make main axis vertical */
justify-content: center; /* center items vertically, in this case */
align-items: center; /* center items horizontally, in this ...
How to perform a mysqldump without a password prompt?
...y user, and in no case the root user. It can be done like this: GRANT LOCK TABLES, SELECT ON *.* TO 'BACKUPUSER'@'%' IDENTIFIED BY 'PASSWORD';
– gadjou
Feb 21 '17 at 8:34
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Unique (non-repeating) random numbers in O(1)?
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Use a Maximal Linear Feedback Shift Register.
It's implementable in a few lines of C and at runtime does little more than a couple test/branches, a little addition and bit shifting. It's not random, but it fools most people.
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Is there XNOR (Logical biconditional) operator in C#?
I'm new to C# and could not find XNOR operator to provide this truth table:
4 Answers
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What is ASP.NET Identity's IUserSecurityStampStore interface?
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What if I am migrating data from MVC4 table structure? Can I just leave that field blank? Or is it going to screw things up somehow?
– Dmytro Shevchenko
Oct 29 '13 at 22:39
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Aligning a float:left div to center?
...blocks, the layout may not be correctly centered anymore. Flexbox is more stable than float left.
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