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Creating email templates with Django

...e this: from django.core.mail import EmailMultiAlternatives subject, from_email, to = 'hello', 'from@example.com', 'to@example.com' text_content = 'This is an important message.' html_content = '<p>This is an <strong>important</strong> message.</p>' msg = EmailMultiAlternat...
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SqlDataAdapter vs SqlDataReader

...nnection open until you are finished (don't forget to close it!). Can typically only be iterated over once Is not as useful for updating back to the database On the other hand, it: Only has one record in memory at a time rather than an entire result set (this can be HUGE) Is about as fast as you c...
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Tools to generate database tables diagram with Postgresql? [closed]

...py -dp postgresql-9.3-1100.jdbc3.jar -s public -noads You'll need to install graphviz as well if you want graphics (apt-get install graphviz for debian based distros). share | improve this answer ...
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What are free monads?

...r monad, and the second one gives you a way to "get out" of it. More generally, if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra. Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an ope...
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Why should I use Google's CDN for jQuery?

... This is because: It increases the parallelism available. (Most browsers will only download 3 or 4 files at a time from any given site.) It increases the chance that there will be a cache-hit. (As more sites follow this practice, more users already have the fil...
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Smart pointers: who owns the object? [closed]

C++ is all about memory ownership - aka ownership semantics . 11 Answers 11 ...
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How to mock ConfigurationManager.AppSettings with moq

... } public class ClassUnderTest { private readonly NameValueCollection _settings; public ClassUnderTest(NameValueCollection settings) { _settings = settings; } public void MethodUnderTest() { // get the User from Settings string user = _settings["Use...
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Combining multiple commits before pushing in Git [duplicate]

I have a bunch of commits on my local repository which are thematically similar. I'd like to combine them into a single commit before pushing up to a remote. How do I do it? I think rebase does this, but I can't make sense of the docs. ...
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?

... Are you sure that is all there is to it? I often find that the page loading hangs on a shebang URL on facebook (even after many reloads), but if you manually remove the #!, it works. Not to mention you often get "1.5 URLs" (i.e. the old URL remai...
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What is the best Java email address validation method? [closed]

... Apache Commons is generally known as a solid project. Keep in mind, though, you'll still have to send a verification email to the address if you want to ensure it's a real email, and that the owner wants it used on your site. EDIT: There was a bu...