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Relationship between hashCode and equals method in Java [duplicate]
...istinct integers for distinct objects. (This is typically implemented by
converting the internal address of the object into an integer, but this implementation
technique is not required by the JavaTM programming language.)
However some time you want the hash code to be the same for different o...
pip install from git repo branch
...ackage is apache-airflow) to work with an unreleased version. I'd like to convert the call pip install apache-airflow[crypto, slack] to install these extras with the archive version. I tried pip install https://github.com/apache/incubator-airflow/archive/master.zip[crypto, slack] but this breaks t...
Project management to go with GitHub [closed]
...outdated for my particular issue, as Google Code supports git now and I've converted Protocol Buffers to Mercurial anyway. However, it's still of general interest, IMO.)
...
Which terminal command to get just IP address and nothing else?
...er some scenarios (i.e. a VPN link is up), so a more reliable way would be converting the result to an array and then loop over the elements:
ips=($(hostname -I))
for ip in "${ips[@]}"
do
echo $ip
done
OSX
On OSX, if you know the interface, you could use:
~$ ipconfig getifaddr en0
192.168....
Best way to handle list.index(might-not-exist) in python?
...? :
li = [1,2,3,4,5] # create list
li = dict(zip(li,range(len(li)))) # convert List To Dict
print( li ) # {1: 0, 2: 1, 3: 2, 4:3 , 5: 4}
li.get(20) # None
li.get(1) # 0
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When should I write the keyword 'inline' for a function/method?
...most exclusively by the linker, not the compiler.
It is said that inline hints to the compiler that you think the function should be inlined. That may have been true in 1998, but a decade later the compiler needs no such hints. Not to mention humans are usually wrong when it comes to optimizing c...
How do I write a custom init for a UIView subclass in Swift?
Say I want to init a UIView subclass with a String and an Int .
5 Answers
5
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Remove characters after specific character in string, then remove substring?
...hat I needed (except in another language: Remove All Text After Certain Point ).
8 Answers
...
Understanding what 'type' keyword does in Scala
...e alias FunctorType is just a shorthand for
(LocalDate, HolidayCalendar, Int, Boolean) => LocalDate
Type aliases are often used to keep the rest of the code simple: you can now write
def doSomeThing(f: FunctorType)
which will be interpreted by the compiler as
def doSomeThing(f: (LocalDate,...
Cookie overflow in rails application?
...
You've got a 4kb limit on what you can store in a cookie, and when Rails converts your object into text for writing to the cookie its probably bigger than that limit.
Ruby on Rails ActionDispatch::Cookies::CookieOverflow error
That way this CookieOverflow Error occurs.
The easiest way to solve ...