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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...f this problem was featured in Return of the Puzzlers: Schlock and Awe (TS-5186), Josh Bloch and Neal Gafter's 2009 JavaOne Technical Session presentation. Here's the concluding slide:
The Moral
Strange and terrible methods lurk in libraries
Some have innocuous sounding names
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Non-type template parameters
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answered Apr 16 '11 at 15:33
XeoXeo
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MySQL convert date string to Unix timestamp
...onvert DATETIME to UNIX timestamp:
SELECT UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p'))
Here's an example of how to change date format:
SELECT FROM_UNIXTIME(UNIX_TIMESTAMP(STR_TO_DATE('Apr 15 2012 12:00AM', '%M %d %Y %h:%i%p')),'%m-%d-%Y %h:%i:%p')
Documentation: UNIX_TIMEST...
Rails update_attributes without save?
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answered Aug 2 '12 at 17:54
Ajedi32Ajedi32
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What's the difference between libev and libevent?
...unctions, by using small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be emb...
SQL Server Profiler - How to filter trace to only display events from one database?
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Simulate airplane mode in iPhone Simulator
...rRob Napier
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Closing JDBC Connections in Pool
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BalusCBalusC
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