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Check whether an array is empty [duplicate]
...pty($errors)) {
}
array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false.
Otherwise in your particular case empty() construct will always return true if there is at least one element even with "empty" value.
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How to initialize List object in Java?
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If you check that link, you'll find some classes that implement List:
All Known Implementing Classes:
AbstractList, AbstractSequentialList, ArrayList, AttributeList, CopyOnWriteArrayList, LinkedList, RoleList, RoleUnresolvedList, Stack, Vector
Those can be instantiated. Use their links t...
Twitter bootstrap modal-backdrop doesn't disappear
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Hiding the modal before the AJAX call is a poor solution if you need to evaluate the AJAX response and update the modal accordingly.
– asciimo
Oct 17 '13 at 1:32
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One SVN repository or many?
... its own tags, trunk and branches. If one gets too big or I need to physically isolate a customer's code for their comfort, I can quickly and easily create a new repository.
I recently consulted with a relatively large firm on migrating multiple source code control systems to Subversion. They have...
How can I add a third button to an Android Alert Dialog?
...that the Alert Dialog can have one, two or three buttons, but the SDK only allows for a positive and negative button. How then can I add a third button?
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How to get all groups that a user is a member of?
... returns members of a specific group. Is there a cmdlet or property to get all the groups that a particular user is a member of?
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How should I structure a Python package that contains Cython code
...od relies on the fact that building a .pyx file with Cython.Distutils.build_ext (at least with Cython version 0.14) always seems to create a .c file in the same directory as the source .pyx file.
Here is a cut-down version of setup.py which I hope shows the essentials:
from distutils.core import s...
Convert an array of primitive longs into a List of Longs
...dency)
import org.apache.commons.lang3.ArrayUtils;
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long[] input = someAPI.getSomeLongs();
Long[] inputBoxed = ArrayUtils.toObject(input);
List<Long> inputAsList = Arrays.asList(inputBoxed);
it also has the reverse API
long[] backToPrimitive = ArrayUtils.toPrimitive(objectArray);
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When should Flask.g be used?
...st without change to code.
The application context is popped after teardown_request is called. (Armin's presentation explains this is because things like creating DB connections are tasks which setup the environment for the request, and should not be handled inside before_request and after_request)
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Choose File Dialog [closed]
... know of a complete choose file dialog? Maybe one where you can filter out all files except for ones with specific extensions?
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