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What is the canonical way to trim a string in Ruby without creating a new string?
...
I guess what you want is:
@title = tokens[Title]
@title.strip!
The #strip! method will return nil if it didn't strip anything, and the variable itself if it was stripped.
According to Ruby standards, a method suffixed with an exclamation mark change...
How would I create a UIAlertView in Swift?
...eAlert instead
On iOS 8, you can do this:
let alert = UIAlertController(title: "Alert", message: "Message", preferredStyle: UIAlertControllerStyle.Alert)
alert.addAction(UIAlertAction(title: "Click", style: UIAlertActionStyle.Default, handler: nil))
self.presentViewController(alert, animated: tru...
Where can I learn jQuery? Is it worth it?
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It is very much worth it. jQuery really makes JavaScript fun again. It's as if all of JavaScript best practices were wrapped up into a single library.
I learned it through jQuery in Action (Manning), which I whipped through over a weekend. It's a little bit behind the curre...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...cording to the bash manual:
Referencing an array variable without a subscript is equivalent to referencing the array with a subscript of 0.
In other words, if you don't supply an index with [], you get the first element of the array:
foo=(a b c)
echo $foo
# a
Which is exactly the same as
f...
How to find largest objects in a SQL Server database?
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I've been using this SQL script (which I got from someone, somewhere - can't reconstruct who it came from) for ages and it's helped me quite a bit understanding and determining the size of indices and tables:
SELECT
t.name AS TableName,
i.n...
How to detect if CMD is running as Administrator/has elevated privileges?
...usually after @echo off.)
net.exe session 1>NUL 2>NUL || (Echo This script requires elevated rights. & Exit /b 1)
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Get the current file name in gulp.src()
...ebug';
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return gulp.src('./examples/*.html')
.pipe(debug({title: 'example src:'}))
.pipe(gulp.dest('./build'));
(I also added a title).
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How to change an element's title attribute using jQuery
I have an form input element and want to change its title attribute. This has to be easy as pie, but for some reason I cannot find how to do this. How is this done, and where and how should I be searching on how to do this?
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How to force a web browser NOT to cache images
...th HTML forms for events where they fill the fields (date, place, title, description, links, etc.) and save it. On that form I allow the administrator to upload an image related to the event. On the HTML page displaying the form, I am also showing a preview of the picture uploaded (HTML img tag).
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How to remove only underline from a:before?
...d open it in IE8:
<!DOCTYPE html>
<html>
<head>
<title>demo</title>
<style type="text/css">
a {text-decoration:none;}
a:hover {text-decoration:underline;}
a:before {content:'>\a0'; text-decoration:underline; display:inline-block...