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C-like structures in Python
...class Point:
x: float
y: float
z: float = 0.0
p = Point(1.5, 2.5)
print(p) # Point(x=1.5, y=2.5, z=0.0)
This plays nicely with the new typing module in case you want to use more specific type annotations.
I've been waiting desperately for this! If you ask me, Data Classes and the ...
How to compare type of an object in Python?
...ion functions will map as equal to the type function.
type(9) is int
type(2.5) is float
type('x') is str
type(u'x') is unicode
type(2+3j) is complex
There are a few other cases.
isinstance( 'x', basestring )
isinstance( u'u', basestring )
isinstance( 9, int )
isinstance( 2.5, float )
isinstance(...
How to make execution pause, sleep, wait for X seconds in R?
...(in parallel).
This code worked for me. Here I am printing 1 to 1000 at a 2.5 second interval.
for (i in 1:1000)
{
print(i)
date_time<-Sys.time()
while((as.numeric(Sys.time()) - as.numeric(date_time))<2.5){} #dummy while loop
}
...
Turning off auto indent when pasting text into vim
...off the paste-mode, so that auto-indenting when you type works correctly again.
:set nopaste
However, I always found that cumbersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
...
Reading a UTF8 CSV file with Python
...s with Python (only French and/or Spanish characters). Based on the Python 2.5 documentation for the csvreader ( http://docs.python.org/library/csv.html ), I came up with the following code to read the CSV file since the csvreader supports only ASCII.
...
Importing modules from parent folder
I am running Python 2.5.
21 Answers
21
...
Margin while printing html page
...y {
display: table;
table-layout: fixed;
padding-top: 2.5cm;
padding-bottom: 2.5cm;
height: auto;
}
}
Old Solution
Create section with each page, and use the below code to adjust margins, height and width.
If you are printing A4 size.
Then user
Size : 8.27...
How do you read a file into a list in Python? [duplicate]
...hon (note these are not either or) -
use of with - supported from python 2.5 and above
use of list comprehensions
1. use of with
This is the pythonic way of opening and reading files.
#Sample 1 - elucidating each step but not memory efficient
lines = []
with open("C:\name\MyDocuments\numbers"...
Get current AUTO_INCREMENT value for any table
...answered Apr 4 '13 at 20:56
methaimethai
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使用虚拟现实和App Inventor进行实...