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How do I change the root directory of an apache server? [closed]
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You need to change the DocumentRoot setting in your httpd.conf file. Chances are it will be under something like /etc/apache2/conf/httpd.conf
Use your favourite editor (I recommend Vim) and look for the DocumentRoot and change it to /users/spencer/projects. Also look a little further d...
How to sort with lambda in Python
...reverse=False)
so without the key=, the function you pass in will be considered a cmp function which takes 2 arguments.
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Import text file as single character string
How do you import a plain text file as single character string in R? I think that this will probably have a very simple answer but when I tried this today I found that I couldn't find a function to do this.
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Search for executable files using find command
...xecutable predicate in GNU find. In particular, -executable tests that the file can be executed by the current user, while -perm +111 just tests if any execute permissions are set.
Older versions of GNU find also support the -perm +111 syntax, but as of 4.5.12 this syntax is no longer supported. In...
How do I escape double quotes in attributes in an XML String in T-SQL?
...anted to let folks know that " works very well for the xml config files when forming regex expressions for RegexTransformer in Solr like so: regex=".*img src="(.*)".*" using the escaped version instead of double-quotes.
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How to make join queries using Sequelize on Node.js
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User.hasMany(Post, {foreignKey: 'user_id'})
Post.belongsTo(User, {foreignKey: 'user_id'})
Post.find({ where: { ...}, include: [User]})
Which will give you
SELECT
`posts`.*,
`users`.`username` AS `users.username`, `users`.`email` AS `users.email`,
`users...
How to get a value of an element by name instead of ID
...uld I get the value of an element via the attribute name instead of the ID . eg if I use by id it would be $('#id').val();
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No appenders could be found for logger(log4j)?
... add this standard log4j.properties (taken from the above mentioned guide) file to your classpath:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=DEBUG, A1
# A1 is set to be a ConsoleAppender.
log4j.appender.A1=org.apache.log4j.ConsoleAppender
# A1 uses PatternLayo...
git update-index --assume-unchanged returns “fatal unable to mark file”
... indicated above, and had the same results. This included the fact that my file was listed when executing git ls-files -o. However in my case, I also tried executing git update-index --assume-unchanged against a file that was not listed when executing ls-files -o, and I still received the same erro...
How to convert a PNG image to a SVG? [closed]
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potrace does not support PNG as input file, but PNM.
Therefore, first convert from PNG to PNM:
convert file.png file.pnm # PNG to PNM
potrace file.pnm -s -o file.svg # PNM to SVG
Explain options
potrace -s => Output file is SVG
potrace -o file.sv...