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Difference between binary semaphore and mutex
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Is there a way to access the “previous row” value in a SELECT statement?
...er by some column for this to be meaningful. Something like this:
select t1.value - t2.value from table t1, table t2
where t1.primaryKey = t2.primaryKey - 1
If you know how to order things but not how to get the previous value given the current one (EG, you want to order alphabetically) then I d...
Strings are objects in Java, so why don't we use 'new' to create them?
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Difference between CouchDB and Couchbase
...he Membase Server was renamed to Couchbase Server somewhere around version 1.8). See Couchbase 2011 Year in Review:
Unfortunately, we confused the heck out of many of our potential users. In addition to Membase Server and our new mobile products we also offered Couchbase Single Server which was ...
Where to place JavaScript in an HTML file?
Say I have a fairly hefty JavaScript file, packed down to roughly 100kb or so. By file I mean it’s an external file that would be linked in via <script src="..."> , not pasted into the HTML itself.
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Colors with unix command “watch”?
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Some newer versions of watch now support color.
For example watch --color ls -ahl --color.
R...
Why I am Getting Error 'Channel is unrecoverably broken and will be disposed!'
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Five equal columns in twitter bootstrap
...nd how the 5 column grid is being used here:
http://web.archive.org/web/20120416024539/http://domain7.com/mobile/tools/bootstrap/responsive
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Running PostgreSQL in memory only
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answered Oct 24 '11 at 8:20
a_horse_with_no_namea_horse_with_no_name
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XPath - Selecting elements that equal a value
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The XPath spec. defines the string value of an element as the concatenation (in document order...