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Value of i for (i == -i && i != 0) to return true in Java
...ava)?
That's off-topic for Stack Exchange. But you could do it starting from the definition of Java integers (JLS 4.2)
"The integral types are byte, short, int, and long, whose values are 8-bit, 16-bit, 32-bit and 64-bit signed two's-complement integers ..."
and
"The values of the integ...
Find the similarity metric between two strings
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There is a built in.
from difflib import SequenceMatcher
def similar(a, b):
return SequenceMatcher(None, a, b).ratio()
Using it:
>>> similar("Apple","Appel")
0.8
>>> similar("Apple","Mango")
0.0
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How can I delete all of my Git stashes at once?
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The following command deletes all your stashes:
git stash clear
From the git documentation:
clear
Remove all the stashed states.
IMPORTANT WARNING: Those states will then be subject to pruning, and may be impossible to recover (...).
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How to read a file in reverse order?
How to read a file in reverse order using python? I want to read a file from last line to first line.
21 Answers
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What do numbers using 0x notation mean?
...a clever way that does not require '-' sign. So, it's basically converting from binary to hex, negative or positive.
– Shuvo Sarker
Mar 6 at 21:05
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What are the differences between git remote prune, git prune, git fetch --prune, etc
...situation is this... someone working on the same repo has deleted a branch from his local & remote repo...
4 Answers
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How can I copy data from one column to another in the same table?
Is it possible to copy data from column A to column B for all records in a table in SQL?
3 Answers
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How to view files in binary from bash?
...ike to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
1...
Running a cron job on Linux every six hours
...out
0 */6 * * * /path/to/mycommand
This means every sixth hour starting from 0, i.e. at hour 0, 6, 12 and 18 which you could write as
0 0,6,12,18 * * * /path/to/mycommand
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Design for Facebook authentication in an iOS app that also accesses a secured web service
... possible for a user to register for an account with you entirely separate from their Facebook ID, right? Then some other time they log in with Facebook.... And you just created them a second account and lost their first one.
There needs to be a way to be logged in to your web service, then log in...