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How to replace ${} placeholders in a text file?
I want to pipe the output of a "template" file into MySQL, the file having variables like ${dbName} interspersed. What is the command line utility to replace these instances and dump the output to standard output?
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Most efficient way to determine if a Lua table is empty (contains no entries)?
What's the most efficient way to determine if a table is empty (that is, currently contains neither array-style values nor dict-style values)?
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All falsey values in JavaScript
What are the values in JavaScript that are 'falsey' , meaning that they evaluate as false in expressions like if(value) , value ? and !value ?
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What is a simple/minimal browserconfig.xml for a web site
I don't want to do anything special or tricky with respect to Windows 8 and pinning, I just don't want to see the 404 Not Found messages as IE looks for browserconfig.xml scrolling by in my log files.
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How do you write tests for the argparse portion of a python module? [closed]
I have a Python module that uses the argparse library. How do I write tests for that section of the code base?
9 Answers
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Exception thrown inside catch block - will it be caught again?
This may seem like a programming 101 question and I had thought I knew the answer but now find myself needing to double check. In this piece of code below, will the exception thrown in the first catch block then be caught by the general Exception catch block below?
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printf with std::string?
My understanding is that string is a member of the std namespace, so why does the following occur?
7 Answers
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Calling JMX MBean method from a shell script
Are there any libraries that would allow me to call a JMX MBean method from a shell script. We expose some operations/admin commands through JMX, and we could have our admins use JConsole, or VisualVM, but some tasks are better left to automation. In that automation we'd like to be able to call a JM...
How to include() all PHP files from a directory?
In PHP can I include a directory of scripts?
12 Answers
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Converting bool to text in C++
Maybe this is a dumb question, but is there any way to convert a boolean value to a string such that 1 turns to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :...