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Does the order of LINQ functions matter?
...d on the LINQ provider in use. For LINQ to Objects, that could certainly make a huge difference. Assume we've actually got:
var query = myCollection.OrderBy(item => item.CreatedDate)
.Where(item => item.Code > 3);
var result = query.Last();
That requires the whol...
What guidelines for HTML email design are there? [closed]
...
It's actually really hard to make a decent HTML email, if you approach it from a 'modern HTML and CSS' perspective.
For best results, imagine it's 1999.
Go back to tables for layout (or preferably - don't attempt any complex layout)
Be afraid of backgr...
LaTeX package for syntax highlighting of code in various languages
I am looking for a LaTeX package that does syntax highlighting on code. For example, right now I use the verbatim block to write code:
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How is the undo tree used in Vim?
... usage.
There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bit confusing, because it can jump arbitrarily between undo branches, but if you do g- long eno...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
Is there a corresponding X mark to ✓ ( ✓ )? What is it?
4 Answers
4
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What characters do I need to escape in XML documents?
...he special character is used.
The examples can be validated at the W3C Markup Validation Service.
Text
The safe way is to escape all five characters in text. However, the three characters ", ' and > needn't be escaped in text:
<?xml version="1.0"?>
<valid>"'></valid>
At...
How to implement a queue with three stacks?
I came across this question in an algorithms book ( Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne).
5 Answ...
How do I change the text of a span element using JavaScript?
...lementById("myspan").textContent="newtext";
While older browsers may not know textContent, it is not recommended to use innerHTML as it introduces an XSS vulnerability when the new text is user input (see other answers below for a more detailed discussion):
//POSSIBLY INSECURE IF NEWTEXT BECOMES ...
How to include a quote in a raw Python string
...e single quotes as the delimiter instead:
r'what"ever'
If you need both kinds of quotes in your string, use a triple-quoted string:
r"""what"ev'er"""
If you want to include both kinds of triple-quoted strings in your string (an extremely unlikely case), you can't do it, and you'll have to use ...
HTML5 Email Validation
It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address"
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