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Dialog to pick image from gallery or from camera
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The code below can be used for taking a photo and for picking a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
st...
When should I make explicit use of the `this` pointer?
...iations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-> prefix by using:
template<class T>
struct B : A<T> {
using A<T>::i; // explicitly refer to a variable in the b...
Iteration over std::vector: unsigned vs signed index variable
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For iterating backwards see this answer.
Iterating forwards is almost identical. Just change the iterators / swap decrement by increment. You should prefer iterators. Some people tell you to use std::size_t as the index var...
Using Mockito's generic “any()” method
...expression will be used to infer type parameters of its sub-expressions. Before Java 8 only arguments to methods where used for type parameter inference (most of the time).
In this case the parameter type of doStuff will be the target type for any(), and the return value type of any() will get chos...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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For example, Mongodb do not uses dashes in ObjectID. So removing dashes can be useful for api.
– Alexey Ryazhskikh
Mar 28 '15 at 13:28
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MsDeploy is returning 403 forbidden
...to Windows only, Apply, and then back to Windows + ISS Mgr). That fixed it for me.
– Kasey Speakman
Feb 10 '12 at 16:52
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Setting action for back button in navigation controller
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Doesn't work for me if I send a message to the delegate through a button and the delegate pops the controller - this still fires.
– SAHM
Oct 12 '12 at 19:45
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How do I build a numpy array from a generator?
...tly at creation time, unlike python lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists.
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What does the “@” symbol do in Powershell?
...rray:
"server1","server2"
So the @ is optional in those cases. However, for associative arrays, the @ is required:
@{"Key"="Value";"Key2"="Value2"}
Officially, @ is the "array operator." You can read more about it in the documentation that installed along with PowerShell, or in a book like "Wi...
Is there any haskell function to concatenate list with separator?
Is there a function to concatenate elements of a list with a separator?
For example:
5 Answers
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