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how to use javascript Object.defineProperty
...rs = new Product("Sneakers",20);
sneakers.discount = 50; // 50, setter is called
sneakers.discount+= 20; // 70, setter is called
sneakers.discount+= 20; // 80, not 90!
alert(sneakers.discount); // getter is called
Note the last but one line: the responsibility for correct discount value was moved ...
How can I remove a flag in C?
... // 00000001
ENABLE_SHOOT = 2 // 00000010
ENABLE_SHOOTRUN = 3 // 00000011
value = ENABLE_RUN // 00000001
value |= ENABLE_SHOOT // 00000011 or same as ENABLE_SHOOTRUN
When you perform a Bitwise AND with Bitwise NOT of the value you want unset.
value = value & ~ENABLE_SHOOT // 00000...
Xcode 4 - “Archive” is greyed out?
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answered Mar 11 '11 at 0:05
jasonjason
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Simulating ENTER keypress in bash script
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answered Jun 7 '11 at 11:39
Tilman VogelTilman Vogel
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How to detect when an Android app goes to the background and come back to the foreground
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The onPause() and onResume() methods are called when the application is brought to the background and into the foreground again. However, they are also called when the application is started for the first time and before it is killed. You can read more in Activity.
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Convert object to JSON in Android
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answered Apr 6 '11 at 18:20
James LJames L
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Subtract 7 days from current date
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Actually this can be done simply by: [now dateByAddingDays:-7]
– CrashOverride
Mar 5 '15 at 23:45
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Setting mime type for excel document
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edited Feb 22 at 1:46
Callum Watkins
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answered Dec 26 '09 at 19:44
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How do I rotate the Android emulator display? [duplicate]
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Fn + Ctrl + F12, I really don't get why this get so many votes
– ericn
Apr 15 '13 at 1:10
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Best way to parse RSS/Atom feeds with PHP [closed]
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Philip MortonPhilip Morton
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