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Default visibility of class methods in PHP

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Does order of where clauses matter in SQL?

...predicates can actually influence plan creation: bradsruminations.blogspot.com/2010/04/looking-under-hood.html – Justin Swartsel Jul 11 '12 at 16:03 3 ...
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Python - write() versus writelines() and concatenated strings

... @hBy2Py: exactly the opposite: stackoverflow.com/a/6165711/281545 – Mr_and_Mrs_D Mar 11 '17 at 15:11 1 ...
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Redis strings vs Redis hashes to represent JSON: efficiency?

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Can I use __init__.py to define global variables?

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Why do you need to create a cursor when querying a sqlite database?

I'm completely new to Python's sqlite3 module (and SQL in general for that matter), and this just completely stumps me. The abundant lack of descriptions of cursor objects (rather, their necessity) also seems odd. ...
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Why doesn't the JVM cache JIT compiled code?

...Regarding why this has not been implemented, I would expect that the added complexity of persisting and validating the JIT seed data was too much to take resources from other projects. Given the choice between this and Java 8 lambda+streams I'd rather have the latter. – Thorbj...
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Why not use always android:configChanges=“keyboardHidden|orientation”?

...d By default, when certain key configuration changes happen on Android (a common example is an orientation change), Android fully restarts the running Activity to help it adjust to such changes. When you define android:configChanges="keyboardHidden|orientation" in your AndroidManifest, you are tel...
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Does MySQL ignore null values on unique constraints?

... excellent comment about how it's true in mysql, but not necessarily in general. – user2910265 Sep 13 '14 at 1:52 11...
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Difference between jQuery parent(), parents() and closest() functions

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