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Why do we use arrays instead of other data structures?
...ss it, because I don't know where it is in memory. All I know is where the root (P1) is, so instead I have to start at P1, and follow each pointer to the desired node.
This is a O(N) look up time (The look up cost increases as each element is added). It is much more expensive to get to P1000 compa...
How to install a specific version of a ruby gem?
...sudo to work with RVM gems. When you do
sudo you are running commands as root, another user in another shell
and hence all of the setup that RVM has done for you is ignored while
the command runs under sudo (such things as GEM_HOME, etc...). So to
reiterate, as soon as you 'sudo' you are run...
Why doesn't C have unsigned floats?
... log of values < 1, you couldn't solve quadratic equations: x = (-b +/- root (b.b - 4.a.c)) / 2.a, and so on. In fact, it probably wouldn't work for any complex function as these tend to be implemented as polynomial approximations which would use negative values somewhere.
So, unsigned floats ar...
gitignore does not ignore folder
In the root of my project I have a foo folder. Inside the foo folder I have a bar folder. I would like to ignore all changes to all files inside my bar folder. I have this in my gitignore :
...
How to version REST URIs
...representations. The only URL that needs to be known by the client is the root URL of the interface. Adding version numbers to urls only has value if you construct urls on the client, which you are not suppose to do with a RESTful interface.
If you need to make a change to your media-types that w...
What is the difference between buffer and cache memory in Linux?
...g lots of I/O will use lots of memory for buffers. I'm bulkloading a 100GB MySQL/InnoDB database and buffers go above 2GB all the time.
– Marcelo Pacheco
Mar 17 at 3:15
add a ...
How can I edit a view using phpMyAdmin 3.2.4?
...
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
...mgmt
for finding files, searching, etc
helm – incremental completion
and selection narrowing framework (or
swiper)
Other Resources
If you’re looking for a setup that already has done most/all of this
work for you, a couple options are:
prelude
spacemacs
...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...bootstrap3 grid system supports row nesting which allows you to adjust the root row to allow fixed width side menus.
You need to put in a padding-left on the root row, then have a child row which contains your normal grid layout elements.
Here is how I usually do this
http://jsfiddle.net/u9gjjebj/...
Mongoose and multiple database in single node.js project
...) mongoose from own folders in each sub applications. Not from the project root or from global. So one sub project, one mongoose installation and one mongoose instance.
-app_root/
--foo_app/
---db_access.js
---foo_db_connect.js
---node_modules/
----mongoose/
--bar_app/
---db_access.js
---bar_db_con...