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Android screen size HDPI, LDPI, MDPI [duplicate]

... your emulator. 240 is hdpi, 160 is mdpi and below that are usually ldpi. Extract from Android Developer Guide link above: 320dp: a typical phone screen (240x320 ldpi, 320x480 mdpi, 480x800 hdpi, etc). 480dp: a tweener tablet like the Streak (480x800 mdpi). 600dp: a 7” tablet (600x1024 mdpi)...
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.NET XML serialization gotchas? [closed]

... When serializing into an XML string from a memory stream, be sure to use MemoryStream#ToArray() instead of MemoryStream#GetBuffer() or you will end up with junk characters that won't deserialize properly (because of the extra buffer allocated). http://m...
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How do I detect whether a Python variable is a function?

...into this by removing the __call__ from the class. And just to keep things extra exciting, add a fake __call__ to the instance! >>> del Spam.__call__ >>> can_o_spam.__call__ = lambda *args: 'OK?' Notice this really isn't callable: >>> can_o_spam() Traceback (most recen...
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mysql :: insert into table, data from another table?

...ed by zerkms is the correct method. But, if someone looking to insert more extra column in the table then you can get it from the following: INSERT INTO action_2_members (`campaign_id`, `mobile`, `email`, `vote`, `vote_date`, `current_time`) SELECT `campaign_id`, `from_number`, 'example@domain.xyz'...
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What is the meaning of “POSIX”?

...cannot be used . is cwd, .. parent portable filenames use at most max 14 chars and 256 for the full path can only contain: a-zA-Z0-9._- See also: what is posix compliance for filesystem? Command line utility API conventions Not mandatory, used by POSIX, but almost nowhere else, notably not in ...
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What is TypeScript and why would I use it in place of JavaScript? [closed]

...lay with this in the TypeScript Playground) class Greeter { greeting: string; constructor (message: string) { this.greeting = message; } greet() { return "Hello, " + this.greeting; } } And here's the JavaScript it would produce var Greeter = (function () { ...
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Printing all global variables/local variables?

...unction you're in, use (gdb) info args For example: int main(int argc, char *argv[]) { argc = 6*7; //Break here. return 0; } argc and argv won't be shown by info locals. The message will be "No locals." Reference: info locals command. ...
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How do Python functions handle the types of the parameters that you pass in?

...index: int = 0) -> int: return l[index] Note that we now put in a string as the type of l, which is syntactically allowed, but it is not good for parsing programmatically (which we'll come back to later). It is important to note that Python won't raise a TypeError if you pass a float into ...
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Is there any way to git checkout previous branch?

...ing equivalent (get reflog and filter it to lines containing ": checkout:" string and then extract branch name). This is actually what git does – Mariusz Pawelski Nov 4 '18 at 0:46 ...
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How do I generate a stream from a string?

... public static Stream GenerateStreamFromString(string s) { var stream = new MemoryStream(); var writer = new StreamWriter(stream); writer.Write(s); writer.Flush(); stream.Position = 0; return stream; } Don't forget to use Using: using (va...