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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 '...
Filtering Pandas DataFrames on dates
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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 ...
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 ...
Can't make the custom DialogFragment transparent over the Fragment
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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...
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....
Algorithm to implement a word cloud like Wordle
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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
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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...
Can you have if-then-else logic in SQL? [duplicate]
I need to do select data from a table based on some kind of priority like so:
7 Answers
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