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How to execute a Ruby script in Terminal?
...'your_program.rb' with whatever the name is of your program. In this case, based on your error message, it is probably supposed to be ruby testapp.rb. Though @Robin is correct in that you need to be in the same directory as the Ruby file.
– Joshua Cheek
Jan 4 '...
Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...ethod(bool b = false);
}
class D : B, MyInterface {}
// Legal because D's base class has a public method
// that implements the interface method
How is the author of D supposed to make this work? Are they required in your world to call up the author of B on the phone and ask them to please ship ...
How can I access the MySQL command line with XAMPP for Windows?
...6, Oracle, MariaDB Corporation Ab and others.
Usage: mysql [OPTIONS] [database]
Default options are read from the following files in the given order:
C:\WINDOWS\my.ini C:\WINDOWS\my.cnf C:\my.ini C:\my.cnf C:\xampp\mysql\my.ini C:\xampp\mysql\my.cnf C:\xampp\mysql\bin\my.ini C:\xampp\mysql\bin\my....
Filtering Pandas DataFrames on dates
...
If date column is the index, then use .loc for label based indexing or .iloc for positional indexing.
For example:
df.loc['2014-01-01':'2014-02-01']
See details here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection
If the column is not the index ...
Can't make the custom DialogFragment transparent over the Fragment
...
Set your theme like this worked for me
<style name="MyDialog" parent="Base.Theme.AppCompat.Light.Dialog">
<item name="android:windowBackground">@android:color/transparent</item>
</style>
And in your dialog fragment set like this
public class Progress extends DialogF...
How to “grep” for a filename instead of the contents of a file?
...le
find <path> -name *FileName*
From manual:
find -name pattern
Base of file name (the path with the leading directories removed) matches shell pattern pattern.
Because the leading directories are removed, the file names considered for a match with -name will never
include a slash...
Algorithm to implement a word cloud like Wordle
...
Here is a responsive working example based on the demo but with full control on words and color. For a custom color palette please use the commented code, instead. jsbin.com/kiwojayoye/1/edit?html,js,output
– Martin Braun
J...
Best dynamic JavaScript/JQuery Grid [closed]
...a plug-in for the jQuery Javascript library. It is a highly flexible tool, based upon the foundations of progressive enhancement, which will add advanced interaction controls to any HTML table. Key features:
Variable length pagination
On-the-fly filtering
Multi-column sorting with data type detect...
Including a groovy script in another groovy
...
As of Groovy 2.2 it is possible to declare a base script class with the new @BaseScript AST transform annotation.
Example:
file MainScript.groovy:
abstract class MainScript extends Script {
def meaningOfLife = 42
}
file test.groovy:
import groovy.transform.Bas...
Catch multiple exceptions at once?
...ng it in one place if need be, without the goofy semantics of catching the base Exception type then branching based on the exception type. And that one extra throw(); statement in each catch block is a small price to pay, IMO, and still leaves you in the position to do additional exception type-spec...