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Convert data.frame columns from factors to characters
...owing 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 convert all variables to class "character", if you want to o...
How do you git show untracked files that do not exist in .gitignore
I'm using git status -u to show untracked files. And on the terminal, I see plenty untracked files that I need to be untracked such as unit tests, personal documentation, etc. I have put them in .gitignore , but it seems that git status still shows them.
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Your content must have a ListView whose id attribute is 'android.R.id.list'
... android:layout_height="fill_parent"/>
Since you are using ListActivity your xml file must specify the keyword android while mentioning to a ID.
If you need a custom ListView then instead of Extending a ListActivity, you have to simply extend an Activity and should have the same id without ...
Declare multiple module.exports in Node.js
...ing to achieve is to create one module that contains multiple functions in it.
17 Answers
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Query to list number of records in each table in a database
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sys.indexes i ON t.OBJECT_ID = i.object_id
INNER JOIN
sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id
INNER JOIN
sys.allocation_units a ON p.partition_id = a.container_id
WHERE
t.NAME NOT LIKE 'dt%' AND
i.OBJECT_ID > 255 AND
i.index_id &...
Disable building workspace process in Eclipse
...is Eclipse doing when building workspace process is running? Can i disable it because it is taking a long time to complete and i dont know if it is necessary. Thank you
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MySQL show current connection info
...follow
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edited Jul 28 '14 at 14:30
Eric Leschinski
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Where do I find old versions of Android NDK? [closed]
...here I can find older versions of the Android NDK? Our code doesn't build with r6. Surely there must be archived versions somewhere.
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Image Greyscale with CSS & re-color on mouse-over?
I am looking to take an icon that is colored (and will be a link) and turn it greyscale until the user places their mouse over the icon (where it would then color the image).
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Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials
We've run into an interesting situation that needs solving, and my searches have turned up nill. I therefore appeal to the SO community for help.
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