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What reason is there to use null instead of undefined in JavaScript?
...ff like if(x) ... . Stop it. !x will evaluate to true for an empty string, 0, null, NaN - ie things you probably don't want. If you want to write javascript that isn't awful, always use triple equals === and never use null (use undefined instead). It'll make your life way easier.
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how to read value from string.xml in android?
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answered Feb 2 '10 at 13:00
cchenesonccheneson
45.3k88 gold badges5656 silver badges6767 bronze badges
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Android: Background Image Size (in Pixel) which Support All Devices
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200
The following are the best dimensions for the app to run in all devices. For understanding mult...
UIlabel layer.cornerRadius not working in iOS 7.1
...ing at a UILabel with the property addMessageLabel.layer.cornerRadius = 5.0f; On a device with iOS 7.0 installed, it has rounded corners. On a device with iOS 7.1 installed, it does not have rounded corners.
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Eclipse IDE for Java - Full Dark Theme
...ortunately :(
– vach
Jan 16 '14 at 10:23
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Didn't really work for me, the background is off blac...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...is is best illustrated with code:
# A foreach loop.
foreach ( $i in (1..10) ) { Write-Host $i ; if ($i -eq 5) { return } }
# A for loop.
for ($i = 1; $i -le 10; $i++) { Write-Host $i ; if ($i -eq 5) { return } }
Output for both:
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One gotcha here is using return with ForEach-Object. ...
How to enable cURL in PHP / XAMPP
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answered Aug 28 '09 at 14:26
Jon BenedictoJon Benedicto
10.1k33 gold badges2525 silver badges2929 bronze badges
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How far can memory leaks go?
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edited Mar 18 '13 at 0:11
answered Mar 17 '13 at 23:00
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Why isn't vector a STL container?
Item 18 of Scott Meyers's book Effective STL: 50 Specific Ways to Improve Your Use of the Standard Template Library says to avoid vector <bool> as it's not an STL container and it doesn't really hold bool s.
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How to prevent custom views from losing state across screen orientation changes
...State are called automatically for you if View#getId returns a value >= 0. This happens when you give it an id in xml or call setId manually. Otherwise you have to call View#onSaveInstanceState and write the Parcelable returned to the parcel you get in Activity#onSaveInstanceState to save the sta...