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Allow user to select camera or gallery for image

...r both original intents and create the final list of possible Intents with one new Intent for each retrieved activity like this: List<Intent> yourIntentsList = new ArrayList<Intent>(); List<ResolveInfo> listCam = packageManager.queryIntentActivities(camIntent, 0); for (ResolveInf...
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)

...er suggests there’s no way to run multiple versions of Google Chrome on one machine. 11 Answers ...
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How to print the full NumPy array, without truncation?

... The previous answers are the correct ones, but as a weaker alternative you can transform into a list: >>> numpy.arange(100).reshape(25,4).tolist() [[0, 1, 2, 3], [4, 5, 6, 7], [8, 9, 10, 11], [12, 13, 14, 15], [16, 17, 18, 19], [20, 21, 22, 23], [24, ...
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Logging best practices [closed]

...etc) and Verbose logging simply becomes too much. Rather than having only one switch that turns it all either on or off, it is useful to be able to turn on this information for one section of your system at a time. This way, you can locate significant problems from the usually logging (all warning...
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When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?

...to void*), and it can also call explicit conversion functions (or implicit ones). In many cases, explicitly stating static_cast isn't necessary, but it's important to note that the T(something) syntax is equivalent to (T)something and should be avoided (more on that later). A T(something, something_...
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What are the differences between the different saving methods in Hibernate?

Hibernate has a handful of methods that, one way or another, takes your object and puts it into the database. What are the differences between them, when to use which, and why isn't there just one intelligent method that knows when to use what? ...
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

... To be honest I don't know how to check the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors. Actually you should see the errors if you drill into that array in Visu...
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly

...: Boolean Series key will be reindexed to match DataFrame index.. How does one rewrite this more explicitly and in a way that doesn't trigger that warning message? – Vishal Jul 1 '18 at 4:05 ...
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Get keys from HashMap in Java

... A HashMap contains more than one key. You can use keySet() to get the set of all keys. team1.put("foo", 1); team1.put("bar", 2); will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys: for ( String key : team1.keySet() ) { ...
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Inheriting constructors

...tors, if you write this, you inherit all of them. To inherit only selected ones you need to write the individual constructors manually and call the base constructor as needed from them. Historically constructors could not be inherited in the C++03 standard. You needed to inherit them manually one b...