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SQL select join: is it possible to prefix all columns as 'prefix.*'?
I'm wondering if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B:
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How to force R to use a specified factor level as reference in a regression?
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Others have mentioned the relevel command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the f...
How can I limit a “Run Script” build phase to my release configuration?
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I have 'Debug', 'Release' (for Instruments), 'Ad Hoc' and 'App Store' configs (with different code signing), so I changed it for if [ "${CONFIGURATION}" != "Debug" ]; then....
– Nicolas Miari
Mar 14 '14 at 1:32
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Parse large JSON file in Nodejs
I have a file which stores many JavaScript objects in JSON form and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format:
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Programmatically retrieve memory usage on iPhone
... not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog.
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Style child element when hover on parent
...answered Aug 27 '11 at 21:16
jtbandesjtbandes
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Fastest way to extract frames using ffmpeg?
...about 20 times faster. We use fast seeking to go to the desired time index and extract a frame, then call ffmpeg several times for every time index. Note that -accurate_seek is the default
, and make sure you add -ss before the input video -i option.
Note that it's better to use -filter:v -fps=fps=...
Dynamically load a JavaScript file
How can you reliably and dynamically load a JavaScript file? This will can be used to implement a module or component that when 'initialized' the component will dynamically load all needed JavaScript library scripts on demand.
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Ruby Array find_first object?
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Either I don't understand your question, or Enumerable#find is the thing you were looking for.
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How to get JSON objects value if its name contains dots?
... postfix: "",
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