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When to use SELECT … FOR UPDATE?
Please help me understand the use-case behind SELECT ... FOR UPDATE .
2 Answers
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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
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Eclipse can barely update from 3.7.1 to 3.7.2, never mind from 3.7 to 4.2.
You're taking the life of your development environment in your hands if you try to make that much of an upgrade to an existing Eclipse development environmen...
Compute a confidence interval from sample data
...scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
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HTTPS with Visual Studio's built-in ASP.NET Development Server
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As of now we can use IIS Express to develop and test in SSL. Here is a complete article explaning how to use IIS Express and Visual Studion 2010 to develop websites in SSL.
Next
Then you will get this
Working with SSL at Develop...
Can I change the root EBS device of my amazon EC2 instance?
...zon EC2 instance. I would like to change the root device on this instance. Can you please advise the best way to go about this?
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How do I reference an existing branch from an issue in GitHub?
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As mentioned in another answer, GitHub automatically makes links to various things, including other GH repositories, but not to branches within those repositories. When I want to do this, I manually make the link like this:
[a link to a branch](/_user_/_project_/tree/_b...
A field initializer cannot reference the nonstatic field, method, or property
... reminder.TimeSpanText[TimeSpan.FromMinutes(15)];
You cannot use an instance variable to initialize another instance variable. Why? Because the compiler can rearrange these - there is no guarantee that reminder will be initialized before defaultReminder, so the above line might ...
assign multiple variables to the same value in Javascript
...n your code. Don't commit the sin of littering the global namespace with local variables if not absolutely necessary.
Sidenote: As pointed out in the comments (and this is not just in the case of this question), if the copied value in question was not a primitive value but instead an object, you ...
throw new std::exception vs throw std::exception
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The conventional way to throw and catch exceptions is to throw an exception object and to catch it by reference (usually const reference). The C++ language requires the compiler to generate the appropriate code to construct the exception object and to properl...
Extract elements of list at odd positions
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Solution
Yes, you can:
l = L[1::2]
And this is all. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2...