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How to customize ?

... Rory O'Kane 23.8k1111 gold badges8080 silver badges120120 bronze badges answered Apr 28 '11 at 3:46 alexalex ...
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John Carmack's Unusual Fast Inverse Square Root (Quake III)

...s derived is something of a mystery. To quote Gary Tarolli: Which actually is doing a floating point computation in integer - it took a long time to figure out how and why this works, and I can't remember the details anymore. A slightly better constant, developed by an expert mathemat...
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Best practice to run Linux service as a different user

...ervices default to starting as root at boot time on my RHEL box. If I recall correctly, the same is true for other Linux distros which use the init scripts in /etc/init.d . ...
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How do you write a migration to rename an ActiveRecord model and its table in Rails?

...ble_name end end I had to go and rename the model declaration file manually. Edit: In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this: class RenameOldTableToNewTable < ActiveRecord::Migration def change rena...
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Why does `a == b or c or d` always evaluate to True?

...r is more literal minded. if name == "Kevin" or "Jon" or "Inbar": is logically equivalent to: if (name == "Kevin") or ("Jon") or ("Inbar"): Which, for user Bob, is equivalent to: if (False) or ("Jon") or ("Inbar"): The or operator chooses the first argument with a positive truth value: if ("Jon")...
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How do PHP sessions work? (not “how are they used?”)

...wer :+) – Frank Nocke Jul 24 '18 at 11:23 ...
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Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools

... when i use the 1st option the R.java of project was removed automatically – Naresh Sharma Jun 20 '12 at 10:11 ...
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Array include any value from another array?

... answered Oct 15 '10 at 11:55 NakilonNakilon 31.1k1212 gold badges9494 silver badges125125 bronze badges ...
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Multiple line code example in Javadoc comment

I have a small code example I want to include in the Javadoc comment for a method. 15 Answers ...
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Flexbox: center horizontally and vertically

How to center div horizontally, and vertically within the container using flexbox. In below example, I want each number below each other (in rows), which are centered horizontally. ...