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How to read contacts on Android 2.0

...cts.CONTENT_URI, null, null, null, null); while(people.moveToNext()) { int nameFieldColumnIndex = people.getColumnIndex(PhoneLookup.DISPLAY_NAME); String contact = people.getString(nameFieldColumnIndex); int numberFieldColumnIndex = people.getColumnIndex(PhoneLookup.NUMBER); String numb...
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How to set enum to null

...ly the same, but the syntax will be a bit different. The enum is a set of int values. It's not an object, so you shouldn't be setting it to null. Setting something to null means you are pointing a pointer to an object to address zero. You can't really do that with an int. What you want to do with a...
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Lambda expression vs method reference [closed]

...ight be too big, since it's an Android LiveData, inside a Fragment, that I converted to an Event which is triggered by a ViewModel...and the different behavior happens when Android goes back to the same Fragment...so I am having a hard time simplifying it for a question – Mich...
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Calling setCompoundDrawables() doesn't display the Compound Drawable

... I needed to be using setCompoundDrawablesWithIntrinsicBounds. share | improve this answer | follow | ...
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When to use enumerateObjectsUsingBlock vs. for

...erateObjectsUsingBlock: has a number of features that may or may not prove interesting: enumerateObjectsUsingBlock: will be as fast or faster than fast enumeration (for(... in ...) uses the NSFastEnumeration support to implement enumeration). Fast enumeration requires translation from an internal...
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BestPractice - Transform first character of a string into lower case

...ng without first letter. Then i will add this string to first char that is converted to lower case – fedotoves Aug 25 '10 at 11:34 ...
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Pretty Printing a pandas dataframe

... You can use prettytable to render the table as text. The trick is to convert the data_frame to an in-memory csv file and have prettytable read it. Here's the code: from StringIO import StringIO import prettytable output = StringIO() data_frame.to_csv(output) output.seek(0) pt = prettytab...
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C: Run a System Command and Get Output? [duplicate]

... get the text returned of what it outputs, but I do not want this text printed to screen. Is there a more elegant way than making a temporary file? ...
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Error-Handling in Swift-Language

I haven't read too much into Swift but one thing I noticed is that there are no exceptions. So how do they do error handling in Swift? Has anyone found anything related to error-handling? ...
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Is cout synchronized/thread-safe?

...afety of something, you should treat it as not thread-safe. Of particular interest here is the fact that cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shar...