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How to count string occurrence in string?
How can I count the number of times a particular string occurs in another string. For example, this is what I am trying to do in Javascript:
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How to debug an apache virtual host configuration?
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Syntax check
To check configuration files for syntax errors:
# Red Hat-based (Fedora, CentOS) and OSX
httpd -t
# Debian-based (Ubuntu)
apache2ctl -t
# MacOS
apachectl -t
List virtual hosts
To list all virtual hosts, and their locations:
# Red Hat-based (Fedora, CentOS) and O...
What's a good way to extend Error in JavaScript?
I want to throw some things in my JS code and I want them to be instanceof Error, but I also want to have them be something else.
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How to replace list item in best way
I have replaced like above. Is there any other bestway to place compare than this one?
11 Answers
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Android: failed to convert @drawable/picture into a drawable
...xact same size in the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a different name and it just keeps giving me that error. I have also tried it in a different XML layout and the same thing. Also ...
Visual Studio displaying errors even if projects build
... a problem with Visual Studio on a C# solution. It displays totally random errors, but the projects build. Right now, I have 33 files with errors, and I can see red squiggly lines in all of them.
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Getting the exception value in Python
...t exception classes will have an args attribute. Often, args[0] will be an error message.
It should be noted that just using str will return an empty string if there's no error message whereas using repr as pyfunc recommends will at least display the class of the exception. My take is that if you'r...
Command not found error in Bash variable assignment
... If you have a variable with a name that contaings "-", the same error happens. In that case, the solution is to remove the "-"
– chomp
Jun 17 '16 at 2:27
1
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Alternate background colors for list items
I have a list, and each item is linked, is there a way I can alternate the background colors for each item?
9 Answers
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How to see log files in MySQL?
...often 3 logs which are mostly needed during any project development.
The Error Log. It contains information about errors that occur while
the server is running (also server start and stop)
The General Query Log. This is a general record of what mysqld is
doing (connect, disconnect, queries)
The Sl...