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What is “2's Complement”?
...o negative eight
Note that you get one extra value for negatives (1000 = -8) that you don't for positives. This is because 0000 is used for zero. This can be considered as Number Line of computers.
Distinguishing between positive and negative numbers
Doing this, the first bit gets the role of the "...
show all tags in git log
...ave the following situation (assuming that it points at some commit)
35805ce <--- 5b7b4ead <=== refs/tags/A
(commit) tag A
(tag)
Please also note that "git tag -f A A" (notice the absence of options forcing it to be an annotated tag) is a noop - it doesn't ...
Is there a simple way to delete a list element by value?
...
Andrey Semakin
64888 silver badges2525 bronze badges
answered May 8 '10 at 7:56
Johannes CharraJohannes Charra
...
How to sort a dataFrame in python pandas by two or more columns?
... b
2 1 4
7 1 3
1 1 2
3 1 2
4 3 2
6 4 4
0 4 3
9 4 3
5 4 1
8 4 1
As commented by @renadeen
Sort isn't in place by default! So you should assign result of the sort method to a variable or add inplace=True to method call.
that is, if you want to reuse df1 as a sorted DataFr...
nginx: send all requests to a single html page
... |
edited Jan 25 '18 at 12:48
kolbyjack
14.5k55 gold badges3939 silver badges3333 bronze badges
a...
What is float in Java?
...
180
In Java, when you type a decimal number as 3.6, its interpreted as a double. double is a 64-bit...
Order data frame rows according to vector with specific order
...der(1, 2, 3, 4) ?
– Hasan Iqbal
Jun 8 '15 at 1:17
2
not sure it is the cleanest way, but with onl...
Calling static generic methods
...
184
Yes, this is type inference based on the target of the assignment, as per JLS section 15.12.2.8...
Nohup is not writing log to output file
...
wulongwulong
2,50911 gold badge1818 silver badges1818 bronze badges
17
...
DESTDIR and PREFIX of make
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189
./configure --prefix=***
Number 1 determines where the package will go when it is installe...