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What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ally show any distinction between different types of join predicate or provide a framework for reasoning about how they will operate.
There is no substitute for understanding the logical processing and it is relatively straightforward to grasp anyway.
Imagine a cross join.
Evaluate the on clause ag...
How do I send a POST request as a JSON?
...your request...
Python 2.x
import json
import urllib2
data = {
'ids': [12, 3, 4, 5, 6]
}
req = urllib2.Request('http://example.com/api/posts/create')
req.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(req, json.dumps(data))
Python 3.x
https://stackoverflow....
Android: install .apk programmatically [duplicate]
I made this with help from
Android download binary file problems
and Install Application programmatically on Android .
...
MySQL: Set user variable from result of query
...for SET, either = or := can be used as the assignment operator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET statements.
UPDATE:
Further to comments below, you may also do the following:
SET @user := 12345...
What does java:comp/env/ do?
... the following structure for the "env"
namespace.
So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/
For example, if your configuration is:
<bean id="someId" class="org.springframework.jndi.JndiObjectFactoryBean">
&l...
How do you enable the escape key close functionality in a Twitter Bootstrap modal?
...e" data-toggle="modal">Open Modal</a>
<div class='modal fade hide' id='my-modal' tabindex='-1'>
<div class='modal-body'>
<div>Test</div>
</div>
</div>
For more info you can view the discussion on this issue on github
(Updated link to new T...
ReactJS Two components communicating
...alled on the onChange event to filter the list with the current value.
JSFiddle for #1 →
/** @jsx React.DOM */
var Filters = React.createClass({
handleFilterChange: function() {
var value = this.refs.filterInput.getDOMNode().value;
this.props.updateFilter(value);
},
render: functi...
NuGet for solutions with multiple projects
...
Do you have any idea when there is no "Manage" buttons for some specific package? Like System.ServiceModel, I cannot manage this library from solution view.
– Hoàng Long
Dec 30 '15 at 6:57
...
In jQuery, how do I get the value of a radio button when they all have the same name?
...12_3" value="5">5</td>
</tr>
</table>
<button id="submit">submit</button>
Note that the above code is not the same as using .is(":checked"). jQuery's is() function returns a boolean (true or false) and not (an) element(s).
Because this answer keeps get...
MAC addresses in JavaScript
...
then what about all the google search result providing sample codes to get MAC Address
– Moon
Dec 26 '10 at 2:53
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