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What's the difference between equal?, eql?, ===, and ==?
... => 2
h[Equ.new(27)] # => 15
Note: The commonly used Ruby-class Set also relies on Hash-key-comparison.
equal? (object identity comparison)
Ruby uses :equal? to check if two objects are identical. This method (of class BasicObject) is not supposed to be overwritten.
obj = obj2 = 'a'
obj...
Add horizontal scrollbar to html table
...
First, make a display: block of your table
then, set overflow-x: to auto.
table {
display: block;
overflow-x: auto;
white-space: nowrap;
}
Nice and clean. No superfluous formatting.
Here are more involved examples with scrolling table captions from a page on my...
How can I determine installed SQL Server instances and their versions?
...ervers installed on your network. There are configuration options you can set to prevent a SQL Server from showing in the list. To do this...
At command line:
svrnetcn
In the enabled protocols list, select 'TCP/IP', then click properties. There is a check box for 'Hide server'.
...
Create an Android Jar library for distribution
...lt;description>
This is my Android lib
</description>
<!-- set global properties for this build -->
<property name="src" location="src" />
<property name="bin" location="bin" />
<target name="jar">
<jar destfile="MyAndroidLib.jar" basedir="bin/class...
Detect the Internet connection is offline?
...are typically encountered in making Ajax communications. One option is to set up a server-side proxy, wherein we actually ping google (or whatever site), and return the results of the ping to the app. This is a catch-22 because if the internet connection is actually the problem, we won't be able to...
moveCamera with CameraUpdateFactory.newLatLngBounds crashes
... event occurs after map size calculation (as I understand).
Example:
map.setOnCameraChangeListener(new OnCameraChangeListener() {
@Override
public void onCameraChange(CameraPosition arg0) {
// Move camera.
map.moveCamera(CameraUpdateFactory.newLatLngBounds(builder.build(),...
How To Test if Type is Primitive
...
And perhaps DateTime, TimeSpan, and DateTimeOffset.
– SLaks
Mar 14 '10 at 15:08
Mmmm... ye...
How to spread django unit tests over multiple files?
...
The 'bit extra' I'm looking for, over rtfm, is the django settings environment, database, and fixtures for the tests.
– John Mee
Jun 8 '11 at 1:25
...
Posting a File and Associated Data to a RESTful WebService preferably as JSON
...fortunately I don't have any Grails examples to give you concerning how to set up the service. You don't need to use JSON in this case since each "form-data" section provides you a place to specify the name of the parameter and its value.
The good thing about using multipart/form-data is that you're...
text-overflow: ellipsis not working
... You need to specify a width so the container is bound, you need to set overflow:hidden so the browser will hide the run-over text, and then set text-overflow:ellipsis to instruct the browser how to especially handle text overflow hiding.
– Michael Angstadt
...