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How do I check if a number evaluates to infinity?
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@Eli: The global Infinity property isn't read-only which means that it can be redefined: For example, var x = 42; Infinity = 42; alert(x === Infinity); displays "true". (Admittedly that's an obscure case, and anyone who decides to redefine Infinity, NaN etc should expect odd things...
When would you use the different git merge strategies?
From the man page on git-merge, there are a number of merge strategies you can use.
4 Answers
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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I do this:
<% some_local = default_value if local_assigns[:some_local].nil? %>
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The SMTP server requires a secure connection or the client was not authenticated. The server respons
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Java 32-bit vs 64-bit compatibility
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Does "shouldn't matter" mean that code compiled with 32-bit javac will take advantage of the memory made available with 64-bit java ?
– Marcus Junius Brutus
Oct 15 '15 at 17:34
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...h is converted to dll is using function from 1 lib called ClassificationFramework. I provided this lib as headers and cpp so basically source code. In Exe solution I linked my generated library + some other libs to run it + ClassificationFramework.dll. Everything works fine when I use Release but wh...
Convert date to datetime in Python
Is there a built-in method for converting a date to a datetime in Python, for example getting the datetime for the midnight of the given date? The opposite conversion is easy: datetime has a .date() method.
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Undo part of unstaged changes in git
...for selecting lines directly to revert, as -p can be a bit clumsy to use sometimes. I use Magit, an Emacs mode that is very helpful for working with Git. In Magit, you can run magit-status, find the diffs for the changes that you want to revert, select the lines you wish to revert (or simply put the...
Don't reload application when orientation changes
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There are generally three ways to do this:
As some of the answers suggested, you could distinguish the cases of your activity being created for the first time and being restored from savedInstanceState. This is done by overriding onSaveInstanceState and checking the parame...
What is the behavior difference between return-path, reply-to and from?
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Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets say it will have a return-path of coolstuff-you=yourcompany.com@mymailinglist.com. The SMTP session might look like:
{S}220 works...