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How to declare and add items to an array in Python?
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714
{} represents an empty dictionary, not an array/list. For lists or arrays, you need [].
To in...
sed or awk: delete n lines following a pattern
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192
I'll have a go at this.
To delete 5 lines after a pattern (including the line with the patter...
SQL query for finding records where count > 1
...nt
FROM
PAYMENT
GROUP BY
account,
user_id ,
date
Having
COUNT(*) > 1
Update
If you want to only include those that have a distinct ZIP you can get a distinct set first and then perform you HAVING/GROUP BY
SELECT
user_id,
account_no ,
date,
COUNT(*)
FROM
(SELECT...
Pretty Printing a pandas dataframe
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182
I've just found a great tool for that need, it is called tabulate.
It prints tabular data and...
How to Apply Gradient to background view of iOS Swift App
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164
The Colors you're providing to gradient must be of type CGColor. So set your array of CGColor ...
Nested JSON objects - do I have to use arrays for everything?
... JSON like this:
{
"stuff": {
"onetype": [
{"id":1,"name":"John Doe"},
{"id":2,"name":"Don Joeh"}
],
"othertype": {"id":2,"company":"ACME"}
},
"otherstuff": {
"thing": [[1,42],[2,2]]
}
}
You can use it like this:
obj.stuf...
Converting integer to binary in python
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14 Answers
14
Active
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sed beginner: changing all occurrences in a folder
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149
There is no way to do it using only sed. You'll need to use at least the find utility together...
How to convert 1 to true or 0 to false upon model fetch
...th true or false into a boolean/tinyint field in the database, which uses 1 or 0 .
4 Answers
...
Two-dimensional array in Swift
...ments):
// 2 dimensional array of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
Change element at position
arr[0][1] = 18
OR
...