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How to determine the screen width in terms of dp or dip at runtime in Android?
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Why it is necessary to call WindowManager? What about this code? DisplayMetrics displayMetrics = resources.getDisplayMetrics(); fl...
std::string to float or double
... prepared to deal with it when you pass invalid value, try passing string("xxx")
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Set icon for Android application
...xxhdpi (480 dpi, Extra-extra-high density screen) - 144px x 144px
drawable-xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px x 192px
You may then define the icon in your AndroidManifest.xml file as such:
<application android:icon="@drawable/icon_name" android:label="@string/app_...
Can't find the PostgreSQL client library (libpq)
...4" gem install pg -v '0.17.1' -- --with-pg-config=/opt/local/lib/postgresql91/bin/pg_config
– Dawei Yang
Apr 29 '14 at 3:18
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Java Generate Random Number Between Two Given Values [duplicate]
...ange )
so the code would be :
int Random =10 + (int)(Math.random()*(91));
/* int Random = (min.value ) + (int)(Math.random()* ( Max - Min + 1));
*Where min is the smallest value You want to be the smallest number possible to
generate and Max is the biggest possible number to gen...
How to configure the web.config to allow requests of any length
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Leniel MaccaferriLeniel Maccaferri
91.3k4040 gold badges331331 silver badges445445 bronze badges
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Getting a better understanding of callback functions in JavaScript
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You should check if the callback exists, and is an executable function:
if (callback &&...
Convert object string to JSON
...lidJSON = "{ hello: 'world',foo:1, bar : '2', foo1: 1, _bar : 2, $2: 3, 'xxx': 5, \"fuz\": 4, places: ['Africa', 'America', 'Asia', 'Australia'] }"
JSON.parse(invalidJSON)
//Result: Uncaught SyntaxError: Unexpected token h VM1058:2
JSON.parse(JSONize(invalidJSON))
//Result: Object {hello: "world...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
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hadleyhadley
91.2k2626 gold badges167167 silver badges234234 bronze badges
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Are foreign keys really necessary in a database design?
...m, but may be it's there... The most of databases use a convention like id_xxx that is exactly the same that ixXXX
– FerranB
Feb 5 '09 at 21:54
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