by: Elaine Jackson |
last post by:
List comprehensions don't work the way you intuitively expect them to work. I
realize many people have no intuitions about how list comprehensions 'should'
work, so if you recognize yourself in...
|
by: Mahesh Padmanabhan |
last post by:
Hi,
When list comprehension was added to the language, I had a lot of
trouble understanding it but now that I am familiar with it, I am not
sure how I programmed in Python without it.
Now I...
|
by: Neuruss |
last post by:
I have a doubt regarding list comprehensions:
According to Mark Lutz in his book Learning Pyhon:
"...there is currently a substantial performance advantage to the
extra complexity in this case:...
|
by: Alan McIntyre |
last post by:
Hi all,
I have a list of items that has contiguous repetitions of values, but
the number and location of the repetitions is not important, so I just
need to strip them out. For example, if my...
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by: Mike Meyer |
last post by:
Ok, we've added list comprehensions to the language, and seen that
they were good. We've added generator expressions to the language, and
seen that they were good as well.
I'm left a bit...
|
by: Steven Bethard |
last post by:
George Sakkis wrote:
> "Steven Bethard" <steven.bethard@gmail.com> wrote:
>> Dict comprehensions were recently rejected:
>> http://www.python.org/peps/pep-0274.html
>> The reason, of course,...
|
by: Lonnie Princehouse |
last post by:
List comprehensions appear to store their temporary result in a
variable named "_" (or presumably "_", "_" etc for nested
comprehensions)
In other words, there are variables being put into the...
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by: John Salerno |
last post by:
I posted this code last night in response to another thread, and after I
posted it I got to wondering if I had misused the list comprehension. Here's
the two examples:
Example 1:...
|
by: Delaney, Timothy (Tim) |
last post by:
Ian Kelly wrote:
Are you aware that filter() returns a list populated from its arguments?
Tim Delaney
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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