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Finding ALL duplicate rows, including “elements with smaller subscripts”
...ch element of a vector or data frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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Listing and deleting Git commits that are under no branch (dangling?)
...ed reachable.
What exactly is the state of that commit? How can I list all commits with similar state
Pass --no-reflogs to convince git fsck to show them to you.
How can I delete commits like those?
Once your reflog entries are expired, those objects will then also be cleaned up by git g...
Fastest way to check if string contains only digits
...nyone cares, this can certainly be reduced to a one-liner -> return str.All(c => c >= '0' && c <= '9');
– Jonesopolis
Feb 6 '14 at 14:07
18
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How to select all instances of selected region in Sublime Text
Is there a shortcut key or single-step menu option to find and select all instances of a highlighted selection in Sublime Text?
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Python syntax for “if a or b or c but not all of them”
...three command line arguments. (Either it runs on default behavior or needs all three values specified.)
15 Answers
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...Y) does both ways at the same time. The number of rows of X[Y] and Y[X] usually differ, whereas the number of rows returned by merge(X,Y) and merge(Y,X) is the same.
BUT that misses the main point. Most tasks require something to be done on the
data after a join or merge. Why merge all the co...
How to detect my browser version and operating system using JavaScript?
...g OS:
// This script sets OSName variable as follows:
// "Windows" for all versions of Windows
// "MacOS" for all versions of Macintosh OS
// "Linux" for all versions of Linux
// "UNIX" for all other UNIX flavors
// "Unknown OS" indicates failure to detect the OS
var OSName="Un...
How can I extract all values from a dictionary in Python?
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If you want all of the values, use this:
dict_name_goes_here.values()
If you want all of the keys, use this:
dict_name_goes_here.keys()
IF you want all of the items (both keys and values), I would use this:
dict_name_goes_here.ite...
Create new user in MySQL and give it full access to one database
...r'@'hostname';
Try this to give it access to the database dbTest:
GRANT ALL PRIVILEGES ON dbTest.* To 'user'@'hostname' IDENTIFIED BY 'password';
If you are running the code/site accessing MySQL on the same machine, hostname would be localhost.
Now, the break down.
GRANT - This is the command...
How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
12 Answers
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