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Performance of static methods vs instance methods
... instance method within the same class, it'll likely be in that register already (unless it was stashed and the register used for some reason) and hence there is no action required to set the this to what it needs to be set to. This applies to a certain extent to e.g. the first two parameters to the...
Which version of CodeIgniter am I currently using?
...what the question is, It asks if there is an option to spit out? I bet you read the question again before posting.
– Clain Dsilva
Mar 4 '15 at 4:30
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Search all of Git history for a string? [duplicate]
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git rev-list --all | (
while read revision; do
git grep -F 'password' $revision
done
)
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How to count the number of set bits in a 32-bit integer?
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In my opinion, the "best" solution is the one that can be read by another programmer (or the original programmer two years later) without copious comments. You may well want the fastest or cleverest solution which some have already provided but I prefer readability over cleverness ...
Android - print full exception backtrace to log
...nd of code caused this exception in the second parameter. The message is already included in the output anyway.
– EboMike
Mar 16 '14 at 0:40
1
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How to use Oracle ORDER BY and ROWNUM correctly?
... instead. ROWNUM is a pseudocolumn and ROW_NUMBER() is a function. You can read about difference between them and see the difference in output of below queries:
SELECT * FROM (SELECT rownum, deptno, ename
FROM scott.emp
ORDER BY deptno
)
WHERE rownum <= 3
/
ROWNUM ...
Principles for Modeling CouchDB Documents
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There have been some great answers to this already, but I wanted to add some more recent CouchDB features to the mix of options for working with the original situation described by viatropos.
The key point at which to split up documents is where there might be conflict...
Is there a short cut for going back to the beginning of a file by vi editor?
When reading a long file by vi editor, it would be very nice to get back to the beginning of the file by some short cuts when you really need to do so. Even ctrl + B sometimes is too slow. Does anyone know such a tool?
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python: SyntaxError: EOL while scanning string literal
...long is this string really?
I suspect there is a limit to how long a line read from a file or from the commandline can be, and because the end of the line gets choped off the parser sees something like s1="some very long string.......... (without an ending ") and thus throws a parsing error?
You c...
select count(*) from table of mysql in php
...in memory one way or the other. So your way just makes the code worser to read and maintain, IMHO.
– Tom
Mar 14 '17 at 13:49
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