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The tilde operator in Python
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This is minor usage is tilde...
def split_train_test_by_id(data, test_ratio, id_column):
ids = data[id_column]
in_test_set = ids.apply(lambda id_: test_set_check(id_, test_ratio))
return data.loc[~in_test_set], data.loc[in_test_set]
the code above is from "H...
How to run Rake tasks from within Rake tasks?
...r output goes into different directories.
Say your project just compiles a test.c file to out/debug/test.out and out/release/test.out with gcc you could setup your project like this:
WAYS = ['debug', 'release']
FLAGS = {}
FLAGS['debug'] = '-g'
FLAGS['release'] = '-O'
def out_dir(way)
File.join('o...
Can you make just part of a regex case-insensitive?
...hole regular expressions. All options are off by default.
You can quickly test how the regex flavor you're using handles mode modifiers. The regex (?i)te(?-i)st should match test and TEst, but not teST or TEST.
Source
shar...
SonarQube Exclude a directory
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Try something like this:
sonar.exclusions=src/java/test/**
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How to calculate the number of occurrence of a given character in each row of a column of strings?
...o that internally.
Here's benchmark results (with a scaled up size of the test to 3000 rows)
q.data<-q.data[rep(1:NROW(q.data), 1000),]
str(q.data)
'data.frame': 3000 obs. of 3 variables:
$ number : int 1 2 3 1 2 3 1 2 3 1 ...
$ string : Factor w/ 3 levels "greatgreat","magic",....
Appending HTML string to the DOM
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child.innerHTML = str;
child = child.firstChild;
document.getElementById('test').appendChild(child);
jsFiddle.
But, Neil's answer is a better solution.
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How to check if a query string value is present via JavaScript?
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Cleaner code? ... Why not just return the indexOf test, instead of placing it in a totally useless preliminary IF statement.
– James
Aug 21 '09 at 23:09
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Remove by _id in MongoDB console
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Very close. This will work:
db.test_users.deleteOne( {"_id": ObjectId("4d512b45cc9374271b02ec4f")});
i.e. you don't need a new for the ObjectId.
Also, note that in some drivers/tools, remove() is now deprecated and deleteOne or deleteMany should be used...
Stash only one file out of multiple files that have changed with Git?
...keep. For example: I change files A and B, then stash B, because I want to test the changes in A; I find a problem with A that I then fix; I commit A; Now I can't unstash because an old version of A is in the stash for no good reason causing a merge conflict. In practise A and B might be many files,...
Animate scrollTop not working in firefox
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Note, jQuery.browser is deprecated and missing from the latest jQuery version
– spiderplant0
Sep 16 '13 at 1:25
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