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Variable interpolation in the shell
I have a variable called filepath=/tmp/name .
3 Answers
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Reusing a PreparedStatement multiple times
...turn off autocommit of the connection and only commit the transaction when all batches are finished. Otherwise it may result in a dirty database when the first bunch of batches succeeded and the later not.
public void executeBatch(List<Entity> entities) throws SQLException {
try (Connect...
How to verify a user's password in Devise
...for my project. Thanks.
– zmd94
Jun 20 at 6:44
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Design for Facebook authentication in an iOS app that also accesses a secured web service
Goal:
Allow a user to authentication with Facebook into an iOS application which requires access to a protected web service that I'm running.
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Is there a “default” MIME type?
...lps convey to the recipient what to do with the data.
"unknown" doesn't really add anything over this, except to confuse clients who don't support random unofficial MIME types. Ditto for application/binary; it's just a non-standard way of restating "octet-stream".
This is the answer to "What can ...
Wrapping synchronous code into asynchronous call
... in ASP.NET application, that consumes quite a lot of time to complete. A call to this method might occur up to 3 times during one user request, depending on the cache state and parameters that user provides. Each call takes about 1-2 seconds to complete. The method itself is synchronous call to the...
What's the difference between findAndModify and update in MongoDB?
...you will get back a different item than what you updated.
Doing it "atomically" means you are guaranteed that you are getting back the exact same item you are updating - i.e. no other operation can happen in between.
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Argparse: Way to include default values in '--help'?
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@mqsoh multiple inheritance actually just worked, but unfortunately is not public API: stackoverflow.com/a/52025430/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Aug 26 '18 at 10:41
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Bash Script: count unique lines in file
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edited Nov 20 '15 at 15:40
answered Apr 13 '13 at 5:04
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How to exclude this / current / dot folder from find “type d”
can be used to find all directories below some start point. But it returns the current directory ( . ) too, which may be undesired. How can it be excluded?
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