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Remove rows with all or some NAs (missing values) in data.frame
... nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA 1 2
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Remove last item from array
...
Array.prototype.pop() by JavaScript convention.
let fruit = ['apple', 'orange', 'banana', 'tomato'];
let popped = fruit.pop();
console.log(popped); // "tomato"
console.log(fruit); // ["apple", "orange", "banana"]
...
Django rest framework nested self-referential objects
... on itself, but you can use these methods to override what fields are used by default.
class CategorySerializer(serializers.ModelSerializer):
parentCategory = serializers.PrimaryKeyRelatedField()
class Meta:
model = Category
fields = ('parentCategory', 'name', 'description'...
HTTP status code for update and delete?
...2 can also be returned which would imply that the instruction was accepted by the server and the "resource was marked for deletion".
PUT
If an existing resource is modified, either the 200 (OK) or 204 (No Content) response codes > SHOULD be sent to indicate successful completion of the r...
Check if a Bash array contains a value
...
@James by convention the success code in bash is "0" and error is everything >= 1. This is why it returns 0 on success. :)
– tftd
Nov 2 '16 at 23:49
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transform object to array with lodash
...object: {"a":"b"}. Using _.map I iterated over the array if arrays created by _.toPairs to transform it into an array of objects with the help of _.fromPairs.
– NoNine
Sep 23 '17 at 18:07
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How to pass the value of a variable to the stdin of a command?
... the creation of a pipe. The herestring command will be processed entirely by bash, although in this situation (as as noted) you had better know that it will work on your bash, otherwise any error message produced as a result of not supporting herestrings would also leak said information.
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Setting the MySQL root user password on OS X
...server, this varies per install
Run the server in safe mode with privilege bypass
sudo mysqld_safe --skip-grant-tables;
In a new window connect to the database, set a new password and flush the permissions & quit:
mysql -u root
For MySQL older than MySQL 5.7 use:
UPDATE mysql.user SET Pa...
Pythonic way to combine FOR loop and IF statement
...a))
[12, 242]
But for a more complicated loop you may want to flatten it by iterating over a well-named generator expression and/or calling out to a well-named function. Trying to fit everything on one line is rarely "Pythonic".
Update following additional comments on your question and the acce...
How to bind inverse boolean properties in WPF?
...r here, that will likely make me pick @Paul's answer over this one. I am by myself when coding (for now), so I need to go with a solution that "I" will remember, which I will use over and over. I also feel that the less wordy something is the better, and creating an inverse property is very expl...