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How to insert an item into an array at a specific index (JavaScript)?
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var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());
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How to properly assert that an exception gets raised in pytest?
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352
pytest.raises(Exception) is what you need.
Code
import pytest
def test_passes():
with p...
PostgreSQL Autoincrement
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edited Nov 10 '16 at 13:09
Nux
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answered Apr ...
How to map with index in Ruby?
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answered Jan 15 '11 at 1:37
sepp2ksepp2k
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How to create an object for a Django model with a many to many field?
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answered Aug 9 '11 at 12:43
Daniel HepperDaniel Hepper
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How to find all positions of the maximum value in a list?
...ored in big O
– michaelsnowden
Oct 23 '15 at 8:06
1
Theoretically O(N) and O(2N) are the same but...
How to get next/previous record in MySQL?
Say I have records with IDs 3,4,7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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pandas three-way joining multiple dataframes on columns
I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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Is APC compatible with PHP 5.4 or PHP 5.5?
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163
+500
Zend OPC...
Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior c...