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Long list of if statements in Java
... boilerplate, but it won't get any shorter..)
3) you will save any wasted cpu cycles by going through a long list of if's or calculating hashCodes and doing lookups.
edit:
if you don't have enums but strings as source, just use Command.valueOf(mystr).exec() to call the exec method.
note that you ...
MySQL select 10 random rows from 600K rows fast
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I am getting fast queries (around 0.5 seconds) with a slow cpu, selecting 10 random rows in a 400K registers MySQL database non-cached 2Gb size. See here my code: Fast selection of random rows in MySQL
<?php
$time= microtime_float();
$sql='SELECT COUNT(*) FROM pages';
$rquery= B...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
...etting ./uninstall-postgresql.app/Contents/MacOS/uninstall-postgresql: Bad CPU type in executable... I completely forgot EDB apps are all 32-bit.
– msr_overflow
Dec 6 '19 at 21:23
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Download multiple files as a zip-file using php
...ence is addFromString, addFile is badly coded.
– André Catita
Sep 3 '13 at 17:49
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How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
...it and at the end you will find your .jar file.
– Matécsa Andrea
May 27 at 9:08
add a commen...
What is the dependency inversion principle and why is it important?
...sumption: that high-level modules are reusable.
– Rogério
Aug 30 '09 at 21:42
3
Consider a depen...
Why do I need 'b' to encode a string with Base64?
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a = base64.b64encode(bytes(u'complex string: ñáéíóúÑ', "utf-8"))
# a: b'Y29tcGxleCBzdHJpbmc6IMOxw6HDqcOtw7PDusOR'
b = base64.b64decode(a).decode("utf-8", "ignore")
print(b)
# b :complex string: ñáéíóúÑ
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Volatile boolean vs AtomicBoolean
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Aren't CPU caches the main factor for setting volatile? To ensure that the value read is actually what it was set to most recently
– jocull
Mar 11 '19 at 14:52
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How to paginate with Mongoose in Node.js?
....g. pageNumber above) increases, cursor.skip() will become slower and more CPU intensive. With larger collections, cursor.skip() may become IO bound.
To achieve pagination in a scaleable way combine a limit( ) along with at least one filter criterion, a createdOn date suits many purposes.
MyMode...
Exception thrown inside catch block - will it be caught again?
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System.exit is friendlier to the CPU! :-O But yes, okay, clearly this is a subjective criterion. Also, I didn't know you to be a code golfer. ;-)
– Chris Jester-Young
Sep 15 '11 at 23:30
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