by: Des Small |
last post by:
Lately I have found myself using a pattern to make new dictionaries
quite often, by which I mean twice:
def invert(d):
nd = {}
).append(key) for k, v in d]
return nd
def count(l):
d = {}
|
by: Stan |
last post by:
hi,
Could any one give me an advice of providing a regular expression that
will return all non-blank lines in a file in linux.
Maybe it is just a command!
Thanks
Stan
|
by: E.U. |
last post by:
Hello,
I need to program grep (like the one UNIX has but more simple)
For example if the programs name(the grep I will write) is p3 then if
I write in shell
p3 story.txt word
The output...
|
by: Derek Martin |
last post by:
Hi List, I have an arraylist of objects. I have created my own IComparable
in the object to return the sort on datetime. This works great! Now, I'd
like to invert the sort. Currently, it gives...
|
by: agarwalpiyush |
last post by:
Hello,
I am going nuts with trying to get the following to work:
This is what I intend to do: I have a line in /etc/syslog.conf which I
need to delete based on ip-address provided to me in a...
|
by: rick |
last post by:
Why can't Python have a reverse() function/method like Ruby?
Python:
x = 'a_string'
# Reverse the string
print x
Ruby:
x = 'a_string'
# Reverse the string
|
by: mahesh.nimbalkar |
last post by:
Hi,
I have color as System.Drawing.Color c1 object as background color.
Now I would like to get another System.Drawing.Color c2 object which
is invert of c1 color to be used as foreground...
|
by: dave |
last post by:
Hello,
here is a piece of code I wrote to check the frequency of values and
switch them around to keys in a new dictionary. Just to measure how
many times a certain key occurs:
def...
|
by: Henning_Thornblad |
last post by:
What can be the cause of the large difference between re.search and
grep?
This script takes about 5 min to run on my computer:
#!/usr/bin/env python
import re
row=""
for a in range(156000):...
|
by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
|
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: 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: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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...
|
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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