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How can I trim leading and trailing white space?
I am having some troubles with leading and trailing white space in a data.frame.
13 Answers
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MySQL 'create schema' and 'create database' - Is there any difference
Taking a peak into the information_schema database and peaking at the metadata for one of my pet projects, I'm having a hard time understanding what (if any) differences there are between the create schema command and the create database command for MySQL.
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Sync data between Android App and webserver [closed]
I want to sync data (such as db record, media) between an Android App and a Server. If you've seen Evernote or similar Applications, you certainly understand what I mean.
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What is the Ruby (spaceship) operator?
...en return -1
if a = b then return 0
if a > b then return 1
if a and b are not comparable then return nil
It's useful for sorting an array.
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How do I view the SQLite database on an Android device? [duplicate]
...rs). This works even on devices that are not rooted.
Connect your device and launch the application in debug mode.
You may want to use adb -d shell "run-as com.yourpackge.name ls /data/data/com.yourpackge.name/databases/" to see what the database filename is.
Notice: com.yourpackge.name is your ...
Editing in the Chrome debugger
...not for me, so I don't have access to the source file. I want to edit code and see what effects they have on the page, in this case stopping an animation from queuing up a bunch of times.
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Publish to S3 using Git?
...ing-jgit-to-publish-on-amazon-s3.html
Download jgit.sh, rename it to jgit and put it in your path (for example $HOME/bin).
Setup the .jgit config file and add the following (substituting your AWS keys):
$vim ~/.jgit
accesskey: aws access key
secretkey: aws secret access key
Note, by not specif...
How do I get currency exchange rates via an API such as Google Finance? [closed]
Now, I did find the Google Finance API and started looking through that but I found a lot of info about portfolios, transactions, positions & other stuff I know nothing about.
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How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
java.util.regex - importance of Pattern.compile()?
...ld of the Matcher object is through the Pattern object's matcher() method, and the only way to get ahold of the Pattern object is through the compile() method. Then there's the find() method which, unlike matches(), is not duplicated in the String or Pattern classes.
The other reason is to avoid ...