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Insert, on duplicate update in PostgreSQL?
...it would be much slower, because each upsert would be its' own individual call into the database.
– baash05
Mar 1 '12 at 0:27
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How can I specify a branch/tag when adding a Git submodule?
...hich commit their submodule directory points to. git submodule update actually merges in the new code.
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How do I list all files of a directory?
How can I list all files of a directory in Python and add them to a list ?
21 Answers
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“open/close” SqlConnection or keep open?
...th static methods. Each of these methods opens/closes SQL connection when called:
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
I have the following layout (virtually empty):
18 Answers
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What does “async: false” do in jQuery.ajax()?
Specifically, how does it differ from the default ( async: true ) ?
7 Answers
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How can I pipe stderr, and not stdout?
...1 >/dev/null | grep 'something'
For the details of I/O redirection in all its variety, see the chapter on Redirections in the Bash reference manual.
Note that the sequence of I/O redirections is interpreted left-to-right, but pipes are set up before the I/O redirections are interpreted. File ...
How can I selectively merge or pick changes from another branch in Git?
I'm using Git on a new project that has two parallel -- but currently experimental -- development branches:
25 Answers
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jQuery, simple polling example
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setinterval would make an ajax call every 5 seconds no matter what. the way have written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not...
What does middleware and app.use actually mean in Expressjs?
...re but I haven't found a clear, concise explanation of what middleware actually is and what the app.use statement is doing. Even the express docs themselves are a bit vague on this. Can you explain these concepts for me please?
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