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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...foldRight, its foreach needs to traverse the elements in a known and fixed order. Therefore it's possible to implement an iterator for a Traversable. E.g.
def iterator = toList.iterator
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The definitive guide to form-based website authentication [closed]
... are tempted to roll their own in-browser hashing or encryption schemes in order to avoid passing cleartext logins over an unsecured wire.
While this is a noble thought, it is essentially useless (and can be a security flaw) unless it is combined with one of the above - that is, either securing the ...
How to index characters in a Golang string?
...)) and may reconvert the string on each iteration for, O(n²). Just do for _, r := range word { fmt.Printf("%c", r) }. If you really wanted to loop with an index for x := 0; x < limit; x++. Please learn the basics of a language before answering questions.
– Dave C
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In-Place Radix Sort
...processed.
Next, regenerate your list.
Iterate through the 64 buckets in order, for the count found in that bucket, generate that many instances of the sequence represented by that bucket.
when all of the buckets have been iterated, you have your sorted array.
A sequence of 4, adds 2 bits, so the...
Python Selenium accessing HTML source
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You need to access the page_source property:
from selenium import webdriver
browser = webdriver.Firefox()
browser.get("http://example.com")
html_source = browser.page_source
if "whatever" in html_source:
# do something
else:
# do something e...
iOS 6 apps - how to deal with iPhone 5 screen size? [duplicate]
...mes will require more efforts).
I've created a small UIDevice category in order to deal with all screen resolutions. You can get it here, but the code is as follows:
File UIDevice+Resolutions.h:
enum {
UIDeviceResolution_Unknown = 0,
UIDeviceResolution_iPhoneStandard = 1, ...
Adding a regression line on a ggplot
...
And so you never worry about ordering of your formulas or just adding a +0 you can use names. data.lm$coefficients[['(Intercept)']] and data.lm$coefficients[['DepDelay']].
– Ufos
May 14 '19 at 16:56
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Find integer index of rows with NaN in pandas dataframe
....:
df['a'].ix[index[0]]
>>> 1.452354
For the integer index:
df_index = df.index.values.tolist()
[df_index.index(i) for i in index]
>>> [3, 6]
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Coffeescript — How to create a self-initiating anonymous function?
...ty or useful information to the other answer.
– still_dreaming_1
Feb 5 '15 at 22:37
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Objective-C for Windows
...GNUstep), and GNUstep Devel
After downloading these files, install in that order, or you will have problems with configuration
Navigate to C:\GNUstep\GNUstep\System\Library\Headers\Foundation1 and ensure that Foundation.h exists
Open up a command prompt and run gcc -v to check that GNUstep MSYS is c...