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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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How to implement onBackPressed() in Fragments?
... If you're using the support v7 library and your Activity extends from FragmentActivity (or a subclass, such as AppCompatActivity) this will happen by default. See FragmentActivity#onBackPressed
– Xiao
Sep 24 '15 at 1:00
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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this worked for me also, saved me from updating postges
– Rich
Oct 12 '17 at 12:56
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What does the Visual Studio “Any CPU” target mean?
... environment, but choose x86 if you have 32-bit dependencies. This article from Microsoft explains this a bit:
/CLRIMAGETYPE (Specify Type of CLR Image)
Incidentally, this other Microsoft documentation agrees that x86 is usually a more portable choice:
Choosing x86 is generally the safest conf...
Table is marked as crashed and should be repaired
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Run this from your server's command line:
mysqlcheck --repair --all-databases
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What is `mt=8` in iTunes links for the App Store?
... Enterprise Partner Feed, etc.). This helps identify where the link
came from for your benefit, but doesn’t actually affect the end user
experience. This can be removed if necessary to tidy up the link.
Affiliate Specific Parameters
AT – Affiliate Token: PHG’s affiliate token.
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How to determine the current shell I'm working on
... 100%: ps -ef | egrep "^\s*\d+\s+$$\s+". The ^ makes sure we're starting from the beginning of the line, the \d+ eats up the UID, the $$ matches the PID, and the \s* and \s+ account for & ensure whitespace between the other parts.
– Slipp D. Thompson
Mar ...
Long vs Integer, long vs int, what to use and when?
...d use long and int, except where you need to make use of methods inherited from Object, such as hashcode. Java.util.collections methods usually use the boxed (Object-wrapped) versions, because they need to work for any Object, and a primitive type, like int or long, is not an Object.
Another differ...
Difference between a Seq and a List in Scala
...rder of elements. Sequences provide a method apply() for indexing, ranging from 0 up to the length of the sequence. Seq has many subclasses including Queue, Range, List, Stack, and LinkedList.
A List is a Seq that is implemented as an immutable linked list. It's best used in cases with last-in firs...
In-memory size of a Python structure
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The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
14
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this'...