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Difference Between One-to-Many, Many-to-One and Many-to-Many?
...address_2_id and address_3_id or a look up table with unique constraint on user_id and address_id.
In unidirectional, a User will have Address address. Bidirectional
will have an additional List<User> users in the Address class.
In Many-to-Many members of each party can hold reference to a...
Python - abs vs fabs
...
Two more points: this still compares apples and oranges, since abs is looked up in the builtins, while fabs is at module namespace. Do "xabs = abs" then xabs(num) to remove that effect. Also, with Python 3.2 things change quite a bit and apparently abs() is quite a bit fa...
Make a div fill up the remaining width
...-flex;
flex-grow: 100;
}
#div3 {
border: 1px solid orange;
height: 50px;
display: inline-flex;
}
</style>
More info about flex boxes here: https://css-tricks.com/snippets/css/a-guide-to-flexbox/
...
Maven Install on Mac OS X
...Homebrew, you have to execute the following command:
brew install https://raw.github.com/Homebrew/homebrew-versions/master/maven30.rb
That's it, it will then use a different Homebrew's formulae which will give you the maven 3.0.5 instead.
...
Best way to find if an item is in a JavaScript array? [duplicate]
...fined) {
return this.indexOf(o) !== -1;
} else { // only for raw js object
for(var v in this) {
if( JSON.stringify(this[v]) === JSON.stringify(o)) return true;
}
return false;
},
// writable:false,
// enumerable:fal...
How to color System.out.println output? [duplicate]
...RROR MESSAGE IN RED'
ie, press CTRL+V and then CTRL+[ in order to get a "raw" ESC character when escape interpretation is not available
If done correctly, you should see a ^[. Although it looks like two characters, it is really just one, the ESC character.
You can also press CTRL+V,CTRL+[ in vim i...
Good Free Alternative To MS Access [closed]
...g to keep in mind here is the MS Access product is much more than just the raw database engine. It provides a full application development platform, including form and menu designer, client application language and environment (VBA), and report designer. When you take all those things together, MS A...
WebRTC - scalable live stream broadcasting / multicasting
...Janus. Now Janus decodes the data using its own key and have access to the raw data (that it, RTP packets) and can emit back those packets to each attendee (Janus takes care of encryption for you). And since you put Janus on a server, it has a great upload bandwidth, so you will be able to stream to...
(Mac) -bash: __git_ps1: command not found
... download git-prompt.sh similarly:
curl -o ~/.git-prompt.sh \
https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
... and add the following line to your ~/.bash_profile:
source ~/.git-prompt.sh
Then your PS1 variable that includes __git_ps1 '%s' should work fi...
How can I have two fixed width columns with one flexible column in the center?
...
text-align: center;
}
.column.left,
.column.right {
background: orange;
text-align: center;
}
<div id="container">
<div class="column left">this is left</div>
<div class="column center">this is center</div>
<div class="column right">this i...