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Learning Python from Ruby; Differences and Similarities
...lues greater than 15. In Ruby, you'd have to write the following:
values.select {|v| v > 15}.map {|v| v * v}
The Ruby code doesn't feel as compact. It's also not as efficient since it first converts the values array into a shorter intermediate array containing the values greater than 15. Th...
How to pass parameters in $ajax POST?
...tain network panels which displays the complete request.
In network panel select XHR to see requests.
This can also be done via this.
$.post('superman',
{
'field1': 'hello',
'field2': 'hello1'
},
function (response) {
alert("Success !");
}
);
...
Mailto links do nothing in Chrome but work in Firefox?
...
Using Windows 10, I had to select Outlook in the left-hand list before I could see the 'mailto' protocol checkbox in the right-hand list.
– Tom McDonald
Jun 20 '17 at 13:40
...
How much space can your BitBucket account have?
... actually mean? What's the alternative - gitignore the PDF directories and selectively rsync them? Sounds like a lot more hassle than just including the PDFs in the repository. And "Use SVG instead of PDF" is just not a sensible suggestion.
– Bobby Jack
Sep 6 '...
How do I find files that do not contain a given string pattern?
... -l, --files-with-matches
Only the names of files containing selected lines are written
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Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
Time comparison
Ju...
What is stability in sorting algorithms and why is it important?
...Sort
Gnome Sort
Odd–even Sort
Unstable Sorting Algorithms:
Heap sort
Selection sort
Shell sort
Quick sort
Introsort (subject to Quicksort)
Tree sort
Cycle sort
Smoothsort
Tournament sort(subject to Hesapsort)
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How to wait 5 seconds with jQuery?
...ver if, after pausing, you only wish to perform actions on a single jQuery selection, then you should be using jQuery's native .delay() which I believe also uses Deferred's under the hood:
$(".my-element").delay(5000).fadeIn();
...
Querying DynamoDB by date
... // More code here
}
});
Essentially your query looks like:
SELECT * FROM TABLE WHERE DataID = "some_id" AND Created > timestamp;
The secondary Index will increase the read/write capacity units required so you need to consider that. It still is a lot better than doing a scan, whi...
Android: alternate layout xml for landscape mode
...clicking on the button in the visual editor shown in the screenshot below. Select "Create Landscape Variation"
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