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Match everything except for specified strings
...en or blue anywhere in it. For that, anchor the regular expression with ^ and include .* in the negative lookahead:
^(?!.*(red|green|blue))
Also, suppose that you want lines containing the word "engine" but without any of those colors:
^(?!.*(red|green|blue)).*engine
You might think you can f...
When should I use a struct instead of a class?
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MSDN has the answer:
Choosing Between Classes and Structures.
Basically, that page gives you a 4-item checklist and says to use a class unless your type meets all of the criteria.
Do not define a structure unless the
type has all of the following
characterist...
How does Junit @Rule work?
...n a more generic way.
For instance, ExternalResource executes code before and after a test method, without having to use @Before and @After. Using an ExternalResource rather than @Before and @After gives opportunities for better code reuse; the same rule can be used from two different test classes....
Ruby: kind_of? vs. instance_of? vs. is_a?
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kind_of? and is_a? are synonymous.
instance_of? is different from the other two in that it only returns true if the object is an instance of that exact class, not a subclass.
Example:
"hello".is_a? Object and "hello".kind_of? Obje...
Thread vs ThreadPool
What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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Concatenating string and integer in python
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Modern string formatting:
"{} and {}".format("string", 1)
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Bootstrap: align input with button
Why don't buttons and inputs align well in Bootstrap?
12 Answers
12
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How to Avoid Response.End() “Thread was being aborted” Exception during the Excel file download
I tried to convert my dataset into excel and download that excel .I got my required excel file.But System.Threading.ThreadAbortException was raised every excel download.
How to resolve this issue ?..
Please help me...
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How to revert initial git commit?
I commit to a git repository for the first time; I then regret the commit and want to revert it. I try
9 Answers
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How to validate date with format “mm/dd/yyyy” in JavaScript?
...;
var year = parseInt(parts[2], 10);
// Check the ranges of month and year
if(year < 1000 || year > 3000 || month == 0 || month > 12)
return false;
var monthLength = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
// Adjust for leap years
if(year % 400...