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How to find encoding of a file via script on Linux?
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17 Answers
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...rapper(reader())
for i in wrap:
print(i)
# Result
<< 0
<< 1
<< 2
<< 3
Instead of manually iterating over reader(), we can just yield from it.
def reader_wrapper(g):
yield from g
That works, and we eliminated one line of code. And probably the intent is a little ...
How can a LEFT OUTER JOIN return more records than exist in the left table?
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11 Answers
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How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...be an overkill)
Here is how you search XPath in Elements panel:
Press F12 to open Chrome Developer Tool
In "Elements" panel, press Ctrl+F
In the search box, type in XPath or CSS Selector, if elements are found, they will be highlighted in yellow.
Firefox (since version 75)
Since FF 75 it's ...
What are the best practices for JavaScript error handling?
...ise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server
You, not the browser, handle errors
Identify where errors might occur
Throw your own erro...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Multiple select statements in Single query
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edited Jul 6 at 13:51
DanB
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answered Nov 2...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...o the trick.
The HTTP request parameter format would be like so:
Yes ?id=1,2,3
No ?id=1&id=2&id=3
The complete list of JPA repository keywords can be found in the current documentation listing. It shows that IsIn is equivalent – if you prefer the verb for readability – and that JPA ...
Change text color based on brightness of the covered background area?
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
...count per index can be increased in O(logn) time
Higher dimensions (d>1):
Segment tree - O(n(logn)^d) preprocessing time, O(k+(logn)^d) query time, O(n(logn)^(d-1)) space
Interval tree - O(n logn) preprocessing time, O(k+(logn)^d) query time, O(n logn) space
Range tree - O(n(logn)^d) preproce...