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How can I get the external SD card path for Android 4.0+?

...s = ""; try { final Process process = new ProcessBuilder().command("mount") .redirectErrorStream(true).start(); process.waitFor(); final InputStream is = process.getInputStream(); final byte[] buffer = new byte[1024]; while (is.read(buffer)...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

... Ok, so the answer was derived from some other posts about this problem and it is: If your ViewData contains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd paramete...
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How to split a delimited string in Ruby and convert it to an array?

...g to perform any action. split() -> is an method, which split the input and store it as array. '' or ' ' or ',' -> is an value, which is needed to be removed from given string. share | improv...
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error: passing xxx as 'this' argument of xxx discards qualifiers

... { return name; } This is necessary because now you can call getId() and getName() on const objects as: void f(const StudentT & s) { cout << s.getId(); //now okay, but error with your versions cout << s.getName(); //now okay, but error with your versions } As a s...
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How do I validate a date string format in python?

...xcept? Python tends to slow down significantly when an exception is raised and caught. – chiffa Sep 6 '16 at 1:26 1 ...
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Custom dealloc and ARC (Objective-C)

...ing ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2): - (void) dealloc { [observer unregisterObject:self]; // [super dealloc]; //(provided by the compiler) } ...
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subtract two times in python

I have two datetime.time values, exit and enter and I want to do something like: 9 Answers ...
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Does the Java &= operator apply & or &&?

...ting makes a difference to the result, but in this one b has to be boolean and the type-cast does nothing.) And, for the record, a &&= b; is not valid Java. There is no &&= operator. In practice, there is little semantic difference between a = a & b; and a = a && b;....
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Force re-download of release dependency using Maven

... I just deleted my ~/.m2/repository and that forced a re-download ;) share | improve this answer | follow | ...
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Numpy: find first index of value fast

... not interested in the following answers because they scan the whole array and don't stop when they find the first occurrence: ...