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How can I pass command-line arguments to a Perl program?
...guments as input files, you can just pass them in and then use <> to read their contents.
If they have a different meaning, you can use GetOpt::Std and GetOpt::Long to process them easily. GetOpt::Std supports only single-character switches and GetOpt::Long is much more flexible. From GetOpt:...
Biggest advantage to using ASP.Net MVC vs web forms
...t doesn't make you jump through hoops to do so. So maybe that point should read something like 'makes SoC easier to implement'
– Erik van Brakel
Jan 25 '09 at 23:21
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What is the difference between varchar and nvarchar?
...ther than varchar, you can avoid doing encoding conversions every time you read from or write to the database. Conversions take time, and are prone to errors. And recovery from conversion errors is a non-trivial problem.
If you are interfacing with an application that uses only ASCII, I would still...
AngularJs “controller as” syntax - clarification?
I read about the new syntax from angularJS regarding controller as xxx
6 Answers
6
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Docker and securing passwords
...) or --env-file argument (for multiple variables in a file) to docker run. Read this for using environmental with docker-compose.
Using --env-file is definitely a safer option since this protects against the secrets showing up in ps or in logs if one uses set -x.
However, env vars are not particul...
converting Java bitmap to byte array
...hout the compression the size difference is dramatic. For theory you could read wikipedia, but for example in my case the compressed result (as per the 1st answer) is 20 MB, the other one (this answer) is 48 MB
– Kirill Starostin
May 21 at 15:33
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How can I format my grep output to show line numbers at the end of the line, and also the hit count?
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new linux user is lazy of reading man page. But if they use linux enough, they will be used to it :) It's super useful :)
– Dzung Nguyen
Jun 12 '12 at 14:04
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Proper use of 'yield return'
... to have the next item before returning.
Among other things, this helps spread the computational cost of complex calculations over a larger time-frame. For example, if the list is hooked up to a GUI and the user never goes to the last page, you never calculate the final items in the list.
Anothe...
Delete all the queues from RabbitMQ?
...eues. Alternatively, if you're just looking for a way to clear everything (read: reset all settings, returning the installation to a default state), use:
rabbitmqctl stop_app
rabbitmqctl reset # Be sure you really want to do this!
rabbitmqctl start_app
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Byte[] to InputStream or OutputStream
...rce = ...;
ByteArrayInputStream bis = new ByteArrayInputStream(source);
// read bytes from bis ...
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// write bytes to bos ...
byte[] sink = bos.toByteArray();
Assuming that you are using a JDBC driver that implements the standard JDBC Blob i...