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Double Iteration in List Comprehension
... answer help me understand what was happening, but it literally applied to my exact use case: counting the number of words in a list of sentences.
– Justin S
Jul 5 at 22:37
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
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OK emphasis in my previous comment was used incorrectly. My point is that we can use it only for CharSequence elements like String (as example in question) but it would be good to add info that this method will not work for elements like Pe...
How to make the hardware beep sound in Mac OS X 10.6
... the sound itself, regardless of whether it came via software or hardware. My bad.
– Ian Dunn
Oct 22 '17 at 22:03
1
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What are some compelling use cases for dependent method types?
...ifficult to refactor.
I'll illustrate that with an exercise I give during my Advanced Scala training course,
trait ResourceManager {
type Resource <: BasicResource
trait BasicResource {
def hash : String
def duplicates(r : Resource) : Boolean
}
def create : Resource
// Test m...
Determine distance from the top of a div to top of window with javascript
...d a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Thanks!
5 Answers
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How can I read large text files in Python, line by line, without loading it into memory?
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the question still is, "for line in infile" will load my 5GB of lines in to the memory? and, How can I read from tail?
– Bruno Rocha - rochacbruno
Jun 25 '11 at 2:31
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
... filename = "C:\Report.txt" with open(filename,encoding ="utf8") as my_file: text = my_file.read() print(text) even after using this I am getting the same error. I have also tried with other encoding but all in vain. In this code I am also using from geotext import GeoText. Please sugges...
Get Base64 encode file-data from Input Form
... recently implemented tar in the browser. As part of that process, I made my own direct Uint8Array->base64 implementation. I don't think you'll need that, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty si...
Converting many 'if else' statements to a cleaner approach [duplicate]
My code here detects if the mimeType is equals to some MIME type, if it is, it will do a certain conversion
7 Answers
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JOIN queries vs multiple queries
... you are joining 3 or more tables on different keys, often databases (i.e. mysql) can only use one index per table, meaning maybe one of the joins will be fast (and use an index) whereas the others will be extremely slow. For multiple queries, you can optimize the indexes to use for each query.
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