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JavaScript Regular Expression Email Validation [duplicate]
...valid username characters such as dash and plus; 2) disallows domains with more than 2 parts, found in many ccTLDs, such as geek.co.il; 3) disallows many of the new TLDs that use 4 or more characters, such as mobi and info; 4) doesn't support IDN at all.
– Guss
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How to find the created date of a repository project on GitHub?
...t date is 2014-05-01T11:17:56Z, but the most of the commits date back much more farther than that.
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
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can you exlpain this a bit more...im totally lost
– Muhammad Umer
Oct 31 '14 at 21:24
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How to get StackPanel's children to fill maximum space downward?
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106
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Using curl POST with variables defined in bash script functions
...e, and re-open the single quote to continue the text: 'foo bar'"$variable"'more foo'.
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npm install vs. update - what's the difference?
...ev flag is added
Why use npm install at all?
Because npm install does more when you look besides handling your dependencies in package.json.
As you can see in npm install you can ...
manually install node-modules
set them as global (which puts them in the shell's PATH) using npm install -g &l...
How can I measure the actual memory usage of an application or process?
...mple, Valgrind can give you insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap profiler. It performs detailed heap profiling by taking regular snapshots of a program's...
How do I (or can I) SELECT DISTINCT on multiple columns?
...UP BY a,b,c
It's a good idea to get used to the GROUP BY syntax, as it's more powerful.
For your query, I'd do it like this:
UPDATE sales
SET status='ACTIVE'
WHERE id IN
(
SELECT id
FROM sales S
INNER JOIN
(
SELECT saleprice, saledate
FROM sales
GROUP BY...
Rails Model, View, Controller, and Helper: what goes where?
...ntroller should concern itself with selecting the proper view and delegate more complex stuff to the domain model (Model) or the business layer.
Domain Driven Design has a concept of Services which is a place you stick logic which needs to orchestrate a number of various types of objects which gene...
Why is division in Ruby returning an integer instead of decimal value?
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This works but the to_f answer below seems more useful. Is to_f more idiomatic in Ruby?
– notapatch
Oct 1 '15 at 9:28
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