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Split a python list into other “sublists” i.e smaller lists [duplicate]
I have a python list which runs into 1000's. Something like:
3 Answers
3
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What is Python used for? [closed]
... int a and then a = 5, but assigning a = "hello" would have been a compile time error. On one hand, this makes everything more unpredictable (you don't know what a refers to). On the other hand, it makes very easy to achieve some results a static typed languages makes very difficult.
Python is stron...
Convert List into Comma-Separated String
My code is as below:
15 Answers
15
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MySQL: Fastest way to count number of rows
...h MyISAM engine actually stores row count, it doensn't count all rows each time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side?
If the C...
What's wrong with foreign keys?
...ty that the second load fails and your database is now inconsistent?).
sometimes you know beforehand your data is going to be dirty, you accept that, and you want the DB to accept it
you are just being lazy :-)
I think (I am not certain!) that most established databases provide a way to specify a ...
What is difference between Collection.stream().forEach() and Collection.forEach()?
... will process a particular element, nor whether it's been processed at the time it's modified. This sets up a race condition, where you might get different results on each run, and never get a CME.
– Stuart Marks
Oct 10 '16 at 20:42
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Generate class from database table
...l'
when 'char' then 'string'
when 'date' then 'DateTime'
when 'datetime' then 'DateTime'
when 'datetime2' then 'DateTime'
when 'datetimeoffset' then 'DateTimeOffset'
when 'decimal' then 'decimal'
when 'float' then 'd...
MySQL: multiple tables or one table with many columns?
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Any time information is one-to-one (each user has one name and password), then it's probably better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databas...
Lambda function in list comprehensions
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The first one creates a single lambda function and calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[...