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When do you use POST and when do you use GET?
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what if I want to view data, but I need to pass ana array or a JSON as a a parameter, is still viable to stringify the array and send it as GET, or in this case is it okay to just use POST and send the array in the body?
– A.J Alhorr
Aug ...
Linq style “For Each” [duplicate]
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The Array and List<T> classes already have ForEach methods, though only this specific implementation. (Note that the former is static, by the way).
Not sure it really offers a great advantage over a foreach statement, but ...
AngularJS: Is there any way to determine which fields are making a form invalid?
...id
console.log($scope.FORM_NAME.$error.required);
this will output the array of invalid fields of the form
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How to get the first five character of a String
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You can use Enumerable.Take like:
char[] array = yourStringVariable.Take(5).ToArray();
Or you can use String.Substring.
string str = yourStringVariable.Substring(0,5);
Remember that String.Substring could throw an exception in case of string's length less tha...
Is there a wikipedia API just for retrieve content summary?
... from this JSON response if I don't know pages number. I can't access JSON array containing "extract"
– Laurynas G
Mar 10 '16 at 22:35
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List of zeros in python [duplicate]
...h of list or multiple data types within the list it is better to use numpy arrays.
timeit('numpy.zeros(100000, numpy.int)', 'import numpy', number=1000)
> 0.057849884033203125
numpy arrays will also consume less memory.
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What are the differences between poll and select?
...f it ever gets fixed.
With poll(), however, the user must allocate an array of pollfd
structures, and pass the number of entries in this array, so there's
no fundamental limit. As Casper notes, fewer systems have poll() than
select, so the latter is more portable. Also, with original
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UICollectionView current visible cell index
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The method [collectionView visibleCells] give you all visibleCells array you want. Use it when you want to get
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
for (UICollectionViewCell *cell in [self.mainImageCollection visibleCells]) {
NSIndexPath *indexPath = ...
Using multiple delimiters in awk
...a autosplit mode – perl will automatically split input lines into the @F array. Defaults to splitting on whitespace
-F autosplit modifier, in this example splits on either / or =
-e execute the perl code
Perl is closely related to awk, however, the @F autosplit array starts at index $F[0] while...
scipy.misc module has no attribute imread?
...ort imageio
im = imageio.imread('astronaut.png')
im.shape # im is a numpy array
(512, 512, 3)
imageio.imwrite('imageio:astronaut-gray.jpg', im[:, :, 0])
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