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Why is Double.MIN_VALUE in not negative
...really "supposed" to be named anything particular. Epsilon is just a greek letter that commonly represents an arbitrarily small positive quantity in maths / physics. Go chose SmallestNonzeroFloat64 for instance.
– aioobe
Aug 28 '17 at 6:14
...
Regex: Specify “space or start of string” and “space or end of string”
...
For Python it helps to specify it a raw string, e.g. mystr = r'\bstack overflow\b'
– Acumenus
Mar 26 '19 at 15:33
add a comment
...
Calling class staticmethod within the class body?
...icmethod objects apparently have a __func__ attribute storing the original raw function (makes sense that they had to). So this will work:
class Klass(object):
@staticmethod # use as decorator
def stat_func():
return 42
_ANS = stat_func.__func__() # call the staticmethod
...
Change Bootstrap tooltip color
...t;
text-decoration: none;
text-shadow: none;
text-transform: none;
letter-spacing: normal;
word-break: normal;
word-spacing: normal;
word-wrap: normal;
white-space: normal;
filter: alpha(opacity=0);
opacity: 0;
line-break: auto;
}
.tooltip.in {
filter: alpha(opacity=90);
o...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
... to instrument):
x = 0 # exit loop counter
while x == 0:
user_input = raw_input("Please enter a command, or press q to quit: ")
if user_input[0] == "q":
x = 1
else:
try:
print eval(user_input)
except:
print "I can't do that, Dave."
...
Remove unwanted parts from strings in a column
... @LucaGuarro from the python docs: "The r prefix, making the literal a raw string literal, is needed in this example because escape sequences in a normal “cooked” string literal that are not recognized by Python, as opposed to regular expressions, now result in a DeprecationWarning and will ...
How to find gaps in sequential numbering in mysql?
...ue at RIGHT or LEFT then we know there is no adjacent value.
The complete raw output of my table is:
select * from arrc_vouchers order by id asc;
0
2
3
4
5
6
7
8
9
22
23
24
29
33
Some notes:
The SQL IF statement in the join condition is needed if you define the 'id' fie...
How can I create a keystore?
... your State or Province?
[Unknown]: {MP} //[Your State]
What is the two-letter country code for this unit?
[Unknown]: 91
Enter > Enter Y
Is CN=AB, OU=Self, O=Self, L=INDORE, ST=MP, C=91 correct?
[no]: Y
Enter > Enter password again.
Generating 2,048 bit RSA key pair and self-signed c...
How to import CSV file data into a PostgreSQL table?
...re's some code that shows you how to set various options:
# Set it so the raw sql output is logged
import logging
logging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
df.to_sql("my_table_name2",
engine,
if_exists="append", #options are ‘fail...
How to move one word left in the vi editor
...nother movement which may be interesting is ge.
It brings you to the last letter of the word on the left. When b is considered as the opposite of w, ge can be considered as the opposite of e which brings you to the end of the current word.
Also note that all of those word-wise movement have a WORD...