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html tables: thead vs th
...gt; tag is used to group the header content in an HTML table.
The thead element should be used in conjunction with the tbody and tfoot elements.
More : thead
You use <thead> to encapsulate an entire row (or rows) to designate them as the Table Header.
According to the spec,
"This div...
Access Control Request Headers, is added to header in AJAX request with jQuery
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What you saw in Firefox was not the actual request; note that the HTTP method is OPTIONS, not POST. It was actually the 'pre-flight' request that the browser makes to determine whether a cross-domain AJAX request should be allowed:
http://www.w3.org/TR/cors/
The Access-Control-Request-Headers...
Replace whole line containing a string using Sed
I have a text file which has a particular line something like
13 Answers
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Rails create or update magic?
...tores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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Can you overload controller methods in ASP.NET MVC?
I'm curious to see if you can overload controller methods in ASP.NET MVC. Whenever I try, I get the error below. The two methods accept different arguments. Is this something that cannot be done?
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How do I import global modules in Node? I get “Error: Cannot find module ”?
...obally. (Caveat: The OS must support symlinks.)
However, this doesn't come without its problems.
npm link is a development tool. It's awesome for managing packages on your local development box. But deploying with npm link is basically asking for problems, since it makes it super easy to upda...
Query to list number of records in each table in a database
How to list row count of each table in the database. Some equivalent of
21 Answers
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What is the easiest way to remove all packages installed by pip?
...exclude those lines and remove the packages manually (elevated from the comments below):
pip freeze | grep -v "^-e" | xargs pip uninstall -y
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How to test equality of Swift enums with associated values
...ft 4.1 or newer, the following will automatically synthesize the necessary methods such that XCTAssert(t1 == t2) works. The key is to add the Equatable protocol to your enum.
enum SimpleToken: Equatable {
case Name(String)
case Number(Int)
}
let t1 = SimpleToken.Number(123)
let t2 = SimpleT...
Smart pointers: who owns the object? [closed]
C++ is all about memory ownership - aka ownership semantics .
11 Answers
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