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How to convert a factor to integer\numeric without loss of information?
...) {as.numeric(levels(x))[x]}
that you can store at the beginning of your script, or even better in your .Rprofile file.
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nodejs require inside TypeScript file
...do I load a regular NodeJS module (from node_modules ) from within a TypeScript class?
4 Answers
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Function to return only alpha-numeric characters from string?
...inition of alphanumeric includes letters in foreign languages and obsolete scripts then you will need to use the Unicode character classes.
Try this to leave only A-Z:
$result = preg_replace("/[^A-Z]+/", "", $s);
The reason for the warning is that words like résumé contains the letter é that ...
Java: How to test methods that call System.exit()?
...t will drift all the way out to the JVM's last-ditch catcher and shut your script down (unless you decide to catch it somewhere along the way, which might be useful someday).
In the JUnit scenario it will be caught by the JUnit framework, which will report that
such-and-such test failed and ...
Is the Javascript date object always one day off?
In my Java Script app I have the date stored in a format like so:
23 Answers
23
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MySQL maximum memory usage
... your own.
Tuning primer
A great start is the tuning primer. It's a bash script (hint: you'll need linux) which takes the output of SHOW VARIABLES and SHOW STATUS and wraps it into hopefully useful recommendation. If your server has ran some time, the recommendation will be better since there will...
How to get exit code when using Python subprocess communicate method?
... the output returned by the child process
child = subprocess.Popen(serial_script_cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
retValRunJobsSerialScript = 0
for line in child.stdout.readlines():
child.wait()
print line
retValRunJobsSerialS...
Convert HTML + CSS to PDF [closed]
...u have commandline access and DON'T want to pay $3500, PhantomJS with this script: github.com/ariya/phantomjs/blob/master/examples/rasterize.js might be a solution - it's the free and easy way!
– chjortlund
Oct 8 '14 at 14:16
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How to make a chain of function decorators?
...But remember decorators are called only once. Just when Python imports the script. You can't dynamically set the arguments afterwards. When you do "import x", the function is already decorated, so you can't
change anything.
Let’s practice: decorating a decorator
Okay, as a bonus, I'll give you...
Enable Vim Syntax Highlighting By Default
... Mac), and scroll down to see if there is a lesson called CREATE A STARTUP SCRIPT (for me it was Lesson 7.2), where it describes how to set up an initial vimrc file.
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