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Convert data.frame columns from factors to characters
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Just following on Matt and Dirk. If you want to recreate your existing data frame without changing the global option, you can recreate it with an apply statement:
bob <- data.frame(lapply(bob, as.character), stringsAsFactors=FALSE)
This will...
How to display double quotes(") Symbol in a TextView?
...racters (eg double quotes) with a backslash :
"message \"quote string 1\" and \"quote string 2\" end message"
But in views xml (eg layout.xml), you have to use HTML character entities (like &quot;) :
"message &quot;quote string 1&quot; and &quot;quote string 2&quot; end messa...
python requests file upload
... uploading a file using Python requests library. I searched Stack Overflow and no one seemed to have the same problem, namely, that the file is not received by the server:
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how to check and set max_allowed_packet mysql variable [duplicate]
...ast mysql version 5.5.
Recently setup an instance on AWS EC2 with Drupal and Solr Search Engine, which required 32M max_allowed_packet. It you set the value under [mysqld_safe] (which is default settings came with the mysql installation) mode in /etc/my.cnf, it did no work. I did not dig into the ...
Will Emacs make me a better programmer? [closed]
...re-paying the start-up cost of learning how to modify it to suit my needs, and modifying myself to its needs.
But other people do things differently, and as they say "That's OK".
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Count occurrences of a char in plain text file
...o f <file> | wc -l
Note: Besides much easier to remember/duplicate and customize, this is about three times (sorry, edit! botched the first test) faster than Vereb's answer.
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How do you run a Python script as a service in Windows?
...e which provides a higher level interface for operations on these objects, and the other programs to access the objects through that service.
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Disabling Strict Standards in PHP 5.4
...is I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time?
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How do I allow HTTPS for Apache on localhost?
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Ensure you have write permissions to your Apache conf folder
Open a command prompt in Apache2\conf folder
Type
..\bin\openssl req -config openssl.cnf -new -out blarg.csr -keyout blarg.pem
You can leave all questions blank except:
PEM Passphrase: a temporary password such as "password"
Common N...
Set value of textarea in jQuery
... val does take the time to make sure the value you're setting is a string, and attr seems to do a bit more magic overall.
– enobrev
Jan 6 '09 at 6:31
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