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Can I set a TTL for @Cacheable
...to make the cached data clear out after a time by setting a TTL?
Right now from what I can see I need to clear it out myself by using the @CacheEvict , and by using that together with @Scheduled I can make a TTL implementation myself but it seems a bit much for such a simple task?
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What does “&” at the end of a linux command mean?
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The & makes the command run in the background.
From man bash:
If a command is terminated by the control operator &, the shell
executes the command in the background in a subshell. The shell does
not wait for the command to finish, and
the return st...
Elegant way to invert a map in Scala
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Mathematically, the mapping might not be invertible (injective), e.g., from Map[A,B], you can't get Map[B,A], but rather you get Map[B,Set[A]], because there might be different keys associated with same values. So, if you are interested in knowing all the keys, here's the code:
scala> val m...
How to detect the end of loading of UITableView
... comment is right. If you want this code to detect end of loading all data from source, it wouldn't, but that's not the original question. This code is for detecting when all cells that are meant to be visible are displayed. willDisplayCell: used here for smoother UI (single cell usually displays fa...
What are deferred objects?
..."); })
.complete(function() { alert("complete"); });
Working Example From Eric Hynds blog post: http://jsfiddle.net/ehynds/Mrqf8/
jqXHR
As of jQuery 1.5, the $.ajax() method returns the jXHR object, which is a superset of the XMLHTTPRequest object. For more information, see thejXHR section of...
How to get UTF-8 working in Java webapps?
...equest headers and html meta-tag), at least Firefox 2/3 and other browsers from this period all encode the character themselves as %D0%B6.
The end result is that all users with name "Petteri" are found and also all users with the name "ж" are found.
But what about äåö?
HTTP-specification def...
Git in Powershell saying 'Could not find ssh-agent'
...for a detailed explanation have a read of this blog post. Below is a quote from the blog post. Ultimately the ssh-agent.exe needs to be in the path, or resolved some other way.
EDIT:
It appears most of the people don't bother reading the linked blog and the original extract did not quote the full so...
What Every Programmer Should Know About Memory?
... much of Ulrich Drepper's What Every Programmer Should Know About Memory from 2007 is still valid. Also I could not find a newer version than 1.0 or an errata.
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Difference between CR LF, LF and CR line break types?
...ut which bytes are stored in a file. CR is a bytecode for carriage return (from the days of typewriters) and LF similarly, for line feed. It just refers to the bytes that are placed as end-of-line markers.
Way more information, as always, on wikipedia.
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HTML tag affecting line height, how to make it consistent?
....8 before the <sup> no longer interferes with it, but this will vary from font to font.
One possible approach to get consistent line heights is to set your own superscript styling instead of the default vertical-align: super. If you use top it won't add anything to the line box, but you may h...