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How to create a jQuery function (a new jQuery method or plugin)?
I know that in JavaScript the syntax is as follows:
13 Answers
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“inconsistent use of tabs and spaces in indentation”
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Don't use tabs.
Set your editor to use 4 spaces for indentation.
Make a search and replace to replace all tabs with 4 spaces.
Make sure your editor is set to display tabs as 8 spaces.
Note: The reason for 8 spaces for tabs is so that you immediately notice when tabs have been inserted unin...
Formatting Decimal places in R
I have a number, for example 1.128347132904321674821 that I would like to show as only two decimal places when output to screen (or written to a file). How does one do that?
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'id' is a bad variable name in Python
...'s memory
address.)
In general, using variable names that eclipse a keyword or built-in function in any language is a bad idea, even if it is allowed.
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serve current directory from command line
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Simplest way possible (thanks Aaron Patterson/n0kada):
ruby -run -e httpd . -p 9090
Alternate, more complex way:
ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 9090, :DocumentRoot => Dir.pwd); trap('INT') { s.shutdown }; s.start"
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List all environment variables from the command line
...erby
...and you will get the following:
DERBY_HOME=c:\Users\amro-a\Desktop\db-derby-10.10.1.1-bin\db-derby-10.10.1.1-bin
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Declaring an unsigned int in Java
...nteger class to use int data type as an unsigned integer. Static methods like compareUnsigned, divideUnsigned etc have been added to the Integer class to support the arithmetic operations for unsigned integers.
Note that int variables are still signed when declared but unsigned arithmetic is now p...
Why is division in Ruby returning an integer instead of decimal value?
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It’s doing integer division. You can make one of the numbers a Float by adding .0:
9.0 / 5 #=> 1.8
9 / 5.0 #=> 1.8
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How do I turn a python datetime into a string, with readable format date?
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Python 3: strftime() Behavior
For this specific example, it would look something like:
my_datetime.strftime("%B %d, %Y")
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What is an Android PendingIntent?
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A PendingIntent is a token that you give to a foreign application (e.g. NotificationManager, AlarmManager, Home Screen AppWidgetManager, or other 3rd party applications), which allows the foreign application to use your application's permissions to...