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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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How to install a specific version of a ruby gem?
Using the command-line gem tool, how can I install a specific version of a gem?
6 Answers
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How to check if a value exists in an array in Ruby
I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] .
26 Answers
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How can I make SQL case sensitive string comparison on MySQL?
I have a function that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case.
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Is there a JavaScript / jQuery DOM change listener?
Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chrome extension & webpage script), I need a way simply observe changes in DOM state. I could set up polling but that seems sloppy.
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How to recover a dropped stash in Git?
I frequently use git stash and git stash pop to save and restore changes in my working tree. Yesterday I had some changes in my working tree that I had stashed and popped, and then I made more changes to my working tree. I'd like to go back and review yesterday's stashed changes, but git stash ...
How can I change or remove HTML5 form validation default error messages?
For example I have a textfield . The field is mandatory, only numbers are required and length of value must be 10. When I try to submit form with value which length is 5, the default error message appears: Please match the requested format
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How to perform element-wise multiplication of two lists?
I want to perform an element wise multiplication, to multiply two lists together by value in Python, like we can do it in Matlab.
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Understanding events and event handlers in C#
I understand the purpose of events, especially within the context of creating user interfaces. I think this is the prototype for creating an event:
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Difference between Service, Async Task & Thread?
What is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
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