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How do I make an HTTP request in Swift?
...g Language Swift by Apple in iBooks, but cannot figure out how to make an HTTP request (something like cURL) in Swift. Do I need to import Obj-C classes or do I just need to import default libraries? Or is it not possible to make an HTTP request based on native Swift code?
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How do I make a column unique and index it in a Ruby on Rails migration?
.... :column_name_n], unique: true, name: 'my_custom_index_name'
More info - http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/add_index
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How to create a drop shadow only on one side of an element?
...rength/opacity of the shadow. Here's a new fiddle, using pseudo-elements:
http://jsfiddle.net/UnsungHero97/ARRRZ/2/
HTML
<div id="box" class="box-shadow"></div>
CSS
#box {
background-color: #3D6AA2;
width: 160px;
height: 90px;
margin-top: -45px;
margin-left: -80...
Why Func instead of Predicate?
...eUploader: {
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Scala: List[Future] to Future[List] disregarding failed futures
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SQL Server: Examples of PIVOTing String data
...
From http://blog.sqlauthority.com/2008/06/07/sql-server-pivot-and-unpivot-table-examples/:
SELECT CUST, PRODUCT, QTY
FROM Product) up
PIVOT
( SUM(QTY) FOR PRODUCT IN (VEG, SODA, MILK, BEER, CHIPS)) AS pvt) p
UNPIVOT
(QTY FOR PROD...
Why can't the C# constructor infer type?
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Free space in a CMD shell
... can alter the output by various command-line options.
You can get it from http://www.paulsadowski.com/WSH/cmdprogs.htm, http://unxutils.sourceforge.net/ or somewhere else. It's a standard unix-util like du.
df -h will show all your drive's used and available disk space. For example:
M:\>df -h
F...
What is the fastest way to get the value of π?
...way (more universal solution) is:
look up Pi on the Internet, e.g. here:
http://www.eveandersson.com/pi/digits/1000000 (1 million digits .. what's your floating point precision? )
or here:
http://3.141592653589793238462643383279502884197169399375105820974944592.com/
or here:
http://en.wikiped...
How to convert a String to its equivalent LINQ Expression Tree?
...f the Parser[List[String]] type.
More details are at the following link:
http://nicolaecaralicea.blogspot.ca/2013/04/scala-dsl-for-parsing-and-evaluating-of.html
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