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How to convert a factor to integer\numeric without loss of information?
... trivial since you also put the as.numeric() and as.character() in a wrong order ;) What your code chunk does is to turn the factor's level index into a character matrix, so what you will have at the and is a character vector that contains some numbers that has been once assigned to certain level of...
How can I find non-ASCII characters in MySQL?
...mported from Excel . The data contains non- ASCII characters (em dashes, etc.) as well as hidden carriage returns or line feeds. Is there a way to find these records using MySQL?
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Combating AngularJS executing controller twice
...ometimes even more, like $watch events, constantly checking model states etc.
24 Answers
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Remove all classes that begin with a certain string
...sh character ('-') and dots and others, so class names like "bg.a", "bg-a" etc. will not be removed but replaced with ".a", "-a" etc. So if you have classnames with punctuation characters you may run into trouble by just running a simple regex replace. Here is a SO thread about word boundary definit...
When is a function too long? [closed]
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Here is a list of red-flags (in no particular order) that could indicate that a function is too long:
Deeply nested control structures: e.g. for-loops 3 levels deep or even just 2 levels deep with nested if-statements that have complex conditions.
Too many state-defini...
what is the use of xsi:schemaLocation?
... read the schemaLocation values and try to load them from the internet, in order to validate the XML file. Spring, in turn, intercepts those load requests and serves up versions from inside its own JAR files.
If you omit the schemaLocation, then the XML parser won't know where to get the schema in ...
Merge multiple lines (two blocks) in Vim
...returning its first element. This lets us replace the deleted lines in the order in which we read them. We could instead replace the deleted lines in reverse order by using remove(l,-1).
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Can you test google analytics on a localhost address?
...ame. I did this on Windows sistem by editing:
C:\Windows\System32\drivers\etc\hosts
file, and I put in the following:
127.0.0.1 my.domain.org
Then I went to address http://my.domain.org/WebApp that is serving page with included google analytics JS.
If you are on unix, edit /etc/hosts for sa...
How to manage local vs production settings in Django?
...local development and the production server? Some of them (like constants, etc) can be changed/accessed in both, but some of them (like paths to static files) need to remain different, and hence should not be overwritten every time the new code is deployed.
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How to disable anchor “jump” when loading a page?
...hat tab you're on; perhaps setting a cookie, or a value in a hidden field, etc etc.
I would say that if you don't want the page jumping on load, you would be better off using one of these other options rather than the hash, because the main reason for using the hash in preference to them is to allo...