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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...nt to access the exception instance, use this syntax: rescue InvalidRequestError, CardError => e (see mikeferrier.com/2012/05/19/…)
– Peter Ehrlich
Oct 11 '12 at 16:37
1
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static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
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'echo' without newline in a shell script
I have a problem with echo in my script:
9 Answers
9
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Redis command to get all available keys?
Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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How to do scanf for single char in C [duplicate]
...
if (fgets(line, sizeof line, stdin) == NULL) {
printf("Input error.\n");
exit(1);
}
ch = line[0];
printf("Character read: %c\n", ch);
return 0;
}
One detail to be aware of when using fgets() will read in the newline character if there's enough room in the inu...
What exceptions should be thrown for invalid or unexpected parameters in .NET?
...ed about what went wrong, why it is wrong, and how to fix it.
I love when error messages point to help, documentation, or other resources. For example, Microsoft did a good first step with their KB articles, e.g. “Why do I receive an "Operation aborted" error message when I visit a Web page in In...
Run MySQLDump without Locking Tables
I want to copy a live production database into my local development database. Is there a way to do this without locking the production database?
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Is there an interactive way to learn Vim? [closed]
Years ago I was looking for a way to learn Vim that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose.
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How to set my default shell on Mac?
I do not like to retype fish every time I start terminal. I want fish on by default. How can I set fish shell as my default shell on a Mac?
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Calculate difference between two dates (number of days)?
...wered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#?
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