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No increment operator (++) in Ruby? [duplicate]
... Regarding point #3, since most things are objects, imagine if Ruby allowed you to do this: 1++ 1+2 # Would not be 3!
– Johntron
Feb 5 '13 at 13:46
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How to get the pure text without HTML element using JavaScript?
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Trying to parse HTML with regular expressions is really dangerous --- it's practically impossible (I suspect it may be theoretically impossible) to get right. There's too many edge cases and then your code blows up when faced with strange input, which can frequently be exploi...
PHP best way to MD5 multi-dimensional array?
...ll work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as (1) json_encode alone performs faster than serialize, and (2) json_encode produces a smaller string an...
Serving favicon.ico in ASP.NET MVC
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Placing favicon.ico in the root of your domain only really affects IE5, IIRC. For more modern browsers you should be able to include a link tag to point to another directory:
<link rel="SHORTCUT ICON" href="http://www.mydomain.com/content/favicon.ico"/>
You can also use...
form_for with nested resources
...th(@article, comment_item),
:method => :delete, :confirm => "Really?" %>
What jamuraa says may work in the context of Article, but it did not work for me in various other ways.
There is a lot of discussion related to nested resources, e.g. http://weblog.jamisbuck.org/2007/2/5/nesti...
Single TextView with multiple colored text
...an issue when I needed my text to be in uppercase. I was using android:textAllCaps="true" in XML and, at the same time, had my HTML content in uppercase. It wasn't working. I removed the XML attribute and it's now working fine. Be carefull, because if you use setAllCaps() in code, the same issue wil...
Detect Retina Display
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In order to detect the Retina display reliably on all iOS devices, you need to check if the device is running iOS4+ and if the [UIScreen mainScreen].scale property is equal to 2.0. You CANNOT assume a device is running iOS4+ if the scale property exists, as the iPad 3.2 als...
LaTeX table positioning
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This is a really really useful package. Thanks for sharing!
– John David
Jun 9 at 3:30
add a comment
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In PyCharm, how to go back to last location?
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All in all, it has nothing with PyCharm;
In my case, there was a global key combo of another program, that masked Ctrl-Alt-Left
I solve it by remapping "file > settings > keymap > main menu > navigate > back"...
Reducing MongoDB database file size
...compact command and WiredTiger it looks like the extra disk space will actually be released to the OS.
UPDATE: as of v1.9+ there is a compact command.
This command will perform a compaction "in-line". It will still need some extra space, but not as much.
MongoDB compresses the files by:
cop...