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LEN function not including trailing spaces in SQL Server
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This is clearly documented by Microsoft in MSDN at http://msdn.microsoft.com/en-us/library/ms190329(SQL.90).aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy...
How do I sort unicode strings alphabetically in Python?
Python sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python?
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Immutable class?
... to make an object immutable?
In general, an immutable object can be made by defining a class which does not have any of its members exposed, and does not have any setters.
The following class will create an immutable object:
class ImmutableInt {
private final int value;
public ImmutableInt(...
Extract substring in Bash
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@jonnyB, Some time in the past that worked. I am told by my coworkers it stopped, and they changed it to be a sed command or something. Looking at it in the history, I was running it in a sh script, which was probably dash. At this point I can't get it to work anymore.
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What is meant by Scala's path-dependent types?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How to find the key of the largest value hash?
...ding on the value of hash elements:
def largest_hash_key(hash)
hash.max_by{|k,v| v}
end
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Difference between del, remove and pop on lists
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Use del to remove an element by index, pop() to remove it by index if you need the returned value, and remove() to delete an element by value. The last requires searching the list, and raises ValueError if no such value occurs in the list.
When deleting...
PUT vs. POST in REST
...e of the target resource be
created or replaced with the state defined by the representation
enclosed in the request message payload.
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SQL JOIN and different types of JOINs
...hey have taken the idea for the pictures. See A visualization of SQL joins by Jeff Atwood (yes, the one who co-authored SO) and the linked article by Ligaya Turmelle where Jeff got the idea and explanded it.
– ypercubeᵀᴹ
Oct 12 '14 at 11:29
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Should I always use a parallel stream when possible?
...threads takes a significant amount of time. I would use sequential streams by default and only consider parallel ones if
I have a massive amount of items to process (or the processing of each item takes time and is parallelizable)
I have a performance problem in the first place
I don't already run...