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Uninstall all installed gems, in OSX?
There are instances where I would like to revert and uninstall all previous gem installations.
13 Answers
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Permission denied for relation
...n the database mostly is used to grant or revoke connect privileges. This allows you to specify who may do stuff in the database if they have sufficient other permissions.
You want instead:
GRANT ALL PRIVILEGES ON TABLE side_adzone TO jerry;
This will take care of this issue.
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Index all *except* one item in python
Is there a simple way to index all elements of a list (or array, or whatever) except for a particular index? E.g.,
9 An...
Push local Git repo to new remote including all branches and tags
...rs).
My local repo has a few branches and tags, and I would like to keep all of my history.
14 Answers
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Replace all 0 values to NA
...idered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R?
8 Answers
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Check if two lists are equal [duplicate]
...ceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also requires another check for Count because it would return true even if ints2 contains more elements than ints1. So the more correct version would be som...
How can I find all matches to a regular expression in Python?
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Use re.findall or re.finditer instead.
re.findall(pattern, string) returns a list of matching strings.
re.finditer(pattern, string) returns an iterator over MatchObject objects.
Example:
re.findall( r'all (.*?) are', 'all cats are s...
MySQL remove all whitespaces from the entire column
Is there a way to remove all whitespaces from a specific column for all values?
5 Answers
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WordPress is giving me 404 page not found for all pages except the homepage
All of a sudden I go to my WordPress website and all the pages give me a 404 page not found page. I'm assuming the problem lies with the permalink structure, which I could swear I did not touch. The permalink setting is on "month and name."
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Detect and exclude outliers in Pandas data frame
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If you have multiple columns in your dataframe and would like to remove all rows that have outliers in at least one column, the following expression would do that in one shot.
df = pd.DataFrame(np.random.randn(100, 3))
from scipy import stats
df[(np.abs(stats.zscore(df)) < 3).all(axis=1)]
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