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How to pass the value of a variable to the stdin of a command?
I'm writing a shell script that should be somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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Custom bullet symbol for elements in that is a regular character, and not an image
I realize one can specify a custom graphic to be a replacement bullet character, using CSS attribute:
15 Answers
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What is the best way to filter a Java Collection?
I want to filter a java.util.Collection based on a predicate.
27 Answers
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Logging errors in ASP.NET MVC
I'm currently using log4net in my ASP.NET MVC application to log exceptions. The way I'm doing this is by having all my controllers inherit from a BaseController class. In the BaseController's OnActionExecuting event, I log any exceptions that may have occurred:
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Calling clojure from java
Most of the top google hits for "calling clojure from java" are outdated and recommend using clojure.lang.RT to compile the source code. Could you help with a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the cl...
Exit single-user mode
Currently, my database is in Single User mode. When I try to expand me database, I get an error:
18 Answers
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Ruby on Rails generates model field:type - what are the options for field:type?
I'm trying to generate a new model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source.
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How can I reset or revert a file to a specific revision?
I have made some changes to a file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous version.
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
I'm typing a shell script to find out the total physical memory in some RHEL linux boxes.
13 Answers
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How do I find the number of arguments passed to a Bash script?
How do I find the number of arguments passed to a Bash script?
5 Answers
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