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How do you clear the focus in javascript?
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This is an old answer so you may know by now, but there are two reasons this answer does not apply. 1. It assumes the OP was using jquery, 2. this needs to be the focused element, while the question explicitly states the OP does not know the focused element ahead...
Can I set subject/content of email using mailto:?
...ecific cases.
As Hoody mentioned in the comments, you can add line breaks by adding the following encoded sequence in the string:
%0D%0A // one line break
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Using an SSH keyfile with Fabric
...ting prompted for a password...
Looking at the paramiko (the library used by fabric for ssh) log, I found the line:
Incompatible ssh peer (no acceptable kex algorithm)
I updated paramiko with:
sudo pip install paramiko --upgrade
And now it's working.
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How to Batch Rename Files in a macOS Terminal?
...s are used.
[1] The purpose of special argument --, which is supported by most utilities, is to signal that subsequent arguments should be treated as operands (values), even if they look like options due to starting with -, as Jacob C. notes.
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How to get the current date and time
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The Java Date and Calendar classes are considered by many to be poorly designed. You should take a look at Joda Time, a library commonly used in lieu of Java's built-in date libraries.
The equivalent of DateTime.Now in Joda Time is:
DateTime dt = new DateTime();
Update
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How can I filter a date of a DateTimeField in Django?
...heck and update the results today and I don't think your error it's caused by the __contains filter. But if you're running into issues you should try the django docs example which is using __gte.
– Moreno
Jan 14 '13 at 19:11
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Variable length (Dynamic) Arrays in Java
...eger> ints = new ArrayList<Integer>();
– gorbysbm
Feb 1 '14 at 19:01
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How to add a browser tab icon (favicon) for a website?
...on" href="http://example.com/favicon.png">
PNG favicons are supported by most browsers, except IE <= 10. For backwards compatibility, you can use ICO favicons.
Note that you don't have to precede icon in rel attribute with shortcut anymore. From MDN Link types:
The shortcut link type is...
How do I check (at runtime) if one class is a subclass of another?
...idea. Normally in Python you work out if an object is capable of something by attempting to do that thing to it.
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How many threads is too many?
...laboration:
I'm not advocating rolling your own thread pooling subsystem, by all means use the one you have. But, since you were asking about a good cut-off point for threads, I assume your thread pool implementation has the ability to limit the maximum number of threads created (which is a good th...