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Handling a colon in an element ID in a CSS selector [duplicate]
...ou how to escape any character in CSS.
Now, there’s even a tool for it: http://mothereff.in/css-escapes#0search%5fform%3Aexpression
TL;DR All the other answers to this question are incorrect. You need to escape both the underscore (to prevent IE6 from ignoring the rule altogether in some edge ca...
how to ignore namespaces with XPath
...= @"<?xml version=""1.0"" encoding=""utf-8""?>
<ParentTag xmlns=""http://anyNamespace.com"">
<Identification value=""ID123456"" />
</ParentTag>
";
var xmlReader = new XmlTextReader(new MemoryStream(Encoding.Default.GetBytes(_withXmlns)));
xmlReader.Namespaces = fals...
Specifying rails version to use when creating a new application
...1.0_ new my_app
Here is the list of all available rails versions so far:
http://rubygems.org/gems/rails/versions
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How to display PDF file in HTML?
... to Google Docs, but they do have to be available online.
<iframe src="https://docs.google.com/gview?url=https://path.com/to/your/pdf.pdf&embedded=true" style="width:600px; height:500px;" frameborder="0"></iframe>
...
How to watch for array changes?
... are lots of ways to change array content. We probably need something more comprehensive...
2. Create a custom observable array
Rather than overriding methods, you could create your own observable array. This particular implementation copies an array into a new array-like object and provides custo...
Remove unwanted parts from strings in a column
...a bug here: currently cannot pass arguments to str.lstrip and str.rstrip:
http://github.com/pydata/pandas/issues/2411
EDIT: 2012-12-07 this works now on the dev branch:
In [8]: df['result'].str.lstrip('+-').str.rstrip('aAbBcC')
Out[8]:
1 52
2 62
3 44
4 30
5 110
Name: result
...
Extract elements of list at odd positions
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Run certain code every n seconds [duplicate]
... print "Hello, World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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Limitations of SQL Server Express
... database size (raised to 10GB in SQL 2008 R2 and SQL 2012) per database
http://www.dotnetspider.com/tutorials/SqlServer-Tutorial-158.aspx
http://www.microsoft.com/sqlserver/2008/en/us/editions.aspx
With regards to the number of databases, this MSDN article says there's no limit:
The 4 GB da...
Maximum length of the textual representation of an IPv6 address?
...
Watch out for certain headers such as HTTP_X_FORWARDED_FOR that appear to contain a single IP address. They may actually contain multiple addresses (a chain of proxies I assume).
They will appear to be comma delimited - and can be a lot longer than 45 character...