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Getting the class name from a static method in Java
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If you're going to hard-code in knowledge of MyClass like that, then you might as well just do String name = "MyClass"; !
– John Topley
Jun 1 '09 at 20:45
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Fragment onResume() & onPause() is not called on backstack
...They are tightly coupled to the Activity.
Read the Handling the Fragment Lifecycle section of this article.
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jQuery checkbox checked state changed event
...er or not the checkbox is checked:
$(".checkbox").change(function() {
if(this.checked) {
//Do stuff
}
});
The main benefit of binding to the change event over the click event is that not all clicks on a checkbox will cause it to change state. If you only want to capture events tha...
Am I immoral for using a variable name that differs from its type only by case?
... It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like
fastPerson
slowPerson
otherwise just
person
is fine with me.
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When to favor ng-if vs. ng-show/ng-hide?
...at ng-show and ng-hide affect the class set on an element and that ng-if controls whether an element is rendered as part of the DOM.
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Alternate output format for psql
... | 10304
dda_type | CHECKING
dda_status | PENDING_VERIFICATION
dda_is_deleted | f
dda_verify_op_id | 44938
version | 2
created | 2012-03-06 21:37:50.585845
modified | 2012-03-06 21:37:50.593425
c_id |
dda_nickname |
dd...
Rails: Why does find(id) raise an exception in rails? [duplicate]
If there is no user with an id of 1 in the database, trying User.find(1) will raise an exception.
2 Answers
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How to recursively find and list the latest modified files in a directory with subdirectories and ti
...vel directory is listed next to the date and time of the latest created/modified file within it.
18 Answers
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Index all *except* one item in python
... # [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
b = [x for i,x in enumerate(a) if i!=3] # [9, 8, 7, 5, 4, 3, 2, 1, 0]
This is very general, and can be used with all iterables, including numpy arrays. If you replace [] with (), b will be an iterator instead of a list.
Or you could do this in-place ...
Finding local maxima/minima with Numpy in a 1D numpy array
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If you are looking for all entries in the 1d array a smaller than their neighbors, you can try
numpy.r_[True, a[1:] < a[:-1]] & numpy.r_[a[:-1] < a[1:], True]
You could also smooth your array before this step usi...