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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
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How did you create this drawing ?
– Royi Namir
Nov 1 '15 at 12:01
6
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How to return raw string with ApiController?
...y. For everything else you will have to build your own formatter or return raw HttpResponseMessages from your methods as shown in my answer.
– Darin Dimitrov
Dec 26 '12 at 21:35
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Equivalent of LIMIT and OFFSET for SQL Server?
...o select 11 to 20 rows in SQL Server:
SELECT email FROM emailTable
WHERE user_id=3
ORDER BY Id
OFFSET 10 ROWS
FETCH NEXT 10 ROWS ONLY;
OFFSET: number of skipped rows
NEXT: required number of next rows
Reference: https://docs.microsoft.com/en-us/sql/t-sql/queries/select-order-by-clause-transac...
Convert the values in a column into row names in an existing data frame
... assign rowname attributes, then remove column:
R> df<-data.frame(a=letters[1:10], b=1:10, c=LETTERS[1:10])
R> rownames(df) <- df[,1]
R> df[,1] <- NULL
R> df
b c
a 1 A
b 2 B
c 3 C
d 4 D
e 5 E
f 6 F
g 7 G
h 8 H
i 9 I
j 10 J
R>
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Escape regex special characters in a Python string
...f the first parenthesized group.)
The r in front of r'([\"])' means it's a raw string. Raw strings use different
rules for escaping backslashes. To write ([\"]) as a plain string, you'd need to
double all the backslashes and write '([\\"])'. Raw strings are friendlier when
you're writing regular exp...
What is the perfect counterpart in Python for “while not EOF”
...sure performant reads.
You can do the same with the stdin (no need to use raw_input():
import sys
for line in sys.stdin:
do_something()
To complete the picture, binary reads can be done with:
from functools import partial
with open('somefile', 'rb') as openfileobject:
for chunk in ite...
How to read keyboard-input?
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try
raw_input('Enter your input:') # If you use Python 2
input('Enter your input:') # If you use Python 3
and if you want to have a numeric value
just convert it:
try:
mode=int(raw_input('Input:'))
except ValueErro...
How do I choose between Tesseract and OpenCV? [closed]
...m some feature extraction and data classification. You can create a simple letter segmenter and classifier that performs basic OCR, but it is not a very good OCR engine (I've made one in Python before from scratch. It's really inaccurate for input that deviates from your training data).
If you wan...
What character to use to put an item at the end of an alphabetic list?
... or does not suit your sense of style, a cleaner option might be the Greek letter "Iota" > Ι < as it's a very simple character that looks exactly like a capital "i"/lowercase "L" and the Greek alphabet sorts after the Latin alphabet on almost all OS's.
– stupidkid
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Do regular expressions from the re module support word boundaries (\b)?
...ch object at 0x100418850>
Also forgot to mention, you should be using raw strings in your code
>>> x = 'one two three'
>>> y = re.search(r"\btwo\b", x)
>>> y
<_sre.SRE_Match object at 0x100418a58>
>>>
...