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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
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The true quicksort has two beautiful aspects:
Divide and conquer: break the problem into two smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!...
WebDriver: check if an element exists? [duplicate]
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and the size is not a method - driver.findElements( By.id("...") ).size != 0
– Gal Bracha
Feb 1 '15 at 12:26
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codestyle; put javadoc before or after annotation?
... before or after the annotation. What would we want to adopt as a coding standard?
5 Answers
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Entity framework code-first null foreign key
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Because EF was creating 2 foreign keys in the database table: CountryId, and CountryId1, but the code above fixed that.
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XPath query to get nth instance of an element
...I just assumed simple left-to-right precedence).
– rlandster
Oct 24 '10 at 16:30
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@rlandster: T...
Remove all special characters, punctuation and spaces from string
I need to remove all special characters, punctuation and spaces from a string so that I only have letters and numbers.
16 A...
mysql check collation of a table
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You can also query INFORMATION_SCHEMA.TABLES and get the collation for a specific table:
SELECT TABLE_SCHEMA
, TABLE_NAME
, TABLE_COLLATION
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = 't_name';
that gives a much more readable output in contrast to SHO...
Parcelable where/when is describeContents() used?
... human readable form? :-)
It seems like C++ programmer designed Parceable and at some point he realized: Oh, damn, there is no multiple inheritance in Java... :-)
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Left-pad printf with spaces
...nt exactly 40 spaces then some text, just save the 40 spaces in a constant and print them. If you need to print multiple lines, either use multiple printf statements like the one above, or do it in a loop, changing the value of ptr each time.
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Is it possible to assign numeric value to an enum in Java?
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You cannot use enum constructor in code. EXIT_CODE.A and EXIT_CODE.B are the only instances that will ever exist.
– Bhesh Gurung
Apr 17 '14 at 18:40
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