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How do I write JSON data to a file?
I have JSON data stored in the variable data .
14 Answers
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Intro to GPU programming [closed]
...as this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU.
9 Answers
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How can I install a local gem?
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Yup, when you do gem install, it will search the current directory first, so if your .gem file is there, it will pick it up. I found it on the gem reference, which you may find handy as well:
gem install will install the named
gem. It will attempt a local
installation (i.e. a .ge...
Batch script loop
...dicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
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Delete empty lines using sed
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You may have spaces or tabs in your "empty" line. Use POSIX classes with sed to remove all lines containing only whitespace:
sed '/^[[:space:]]*$/d'
A shorter version that uses ERE, for example with gnu sed:
sed -r '/^\s*$/d'
(Note that se...
How can I format a String number to have commas and round?
What is the best way to format the following number that is given to me as a String?
10 Answers
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Use tnsnames.ora in Oracle SQL Developer
I am evaluating Oracle SQL Developer .
5 Answers
5
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Do I need to heartbeat to keep a TCP connection open?
...one connection at any time (though that is aside to this question). A senior developer at my company has said I need to use application level heartbeats between the two components to ensure the connection stays open.
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DateTime to javascript date
... Regarding your second thoughts: it does matter during the transition to or from daylight saving time (I always have to think really hard to remember which :). During the transition the hour of 2:00 to 3:00 is repeated twice. This means that during one hour the javascript date will be off by one h...
Get current date/time in seconds
...ou have data time stamped with unix time, and want to determine it's age. More though I think this is what is most likely meant by 'the current date/time in seconds'; just my gut feeling.
– sje397
Sep 30 '10 at 12:10
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