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Determining whether jQuery has not found any element
...it doesn't necessarily makes it redundant, at first glance IMO it makes it more clear.
– Abir
Jan 22 '14 at 10:59
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Can I set a breakpoint on 'memory access' in GDB?
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Set NOW() as Default Value for datetime datatype?
...38-01-19 03:14:07' UTC. For purposes of storing birth dates, or something more than 30 years in the future for instance.
– user17753
Oct 12 '12 at 16:15
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Is it possible to embed animated GIFs in PDFs?
...gn works. But Quicktime on my iMac refuses to open GIF files. Can you give more details about that part... what version of Quicktime are you using?
– peacetype
Mar 27 '18 at 10:43
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What is mutex and semaphore in Java ? What is the main difference?
... This is not quite true. The same thread can enter the same mutex more than once, so a count needs to be maintained to ensure entries `& exits are balanced.
– finnw
Aug 3 '09 at 9:56
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How to check whether an object is a date?
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...engines, having an indexable AJAX URL doesn't make the page get indexed anymore than having an indexable non AJAX URL does. Facebook uses this URL format for more than just Google's benefit - it also makes pages accessed via AJAX on Facebook bookmarkable when they otherwise wouldn't be.
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Font scaling based on width of container
...'s a nice article about setting minimum/maximum sizes and exercising a bit more control over the sizes: Precise control over responsive typography
And here's an article about setting your size using calc() so that the text fills the viewport: http://codepen.io/CrocoDillon/pen/fBJxu
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Best way to check for “empty or null value”
...trim() call is (comparatively) expensive - and just not necessary. I added more about char(n) and "empty string".
– Erwin Brandstetter
May 20 '14 at 19:42
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How do I filter ForeignKey choices in a Django ModelForm?
...dden method. If you are making several of these queryset changes its a lot more elegant to package them by overriding the init method.
– michael
Aug 7 '09 at 4:53
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