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Bitwise operation and usage
...the data type, Python simply expands the width to cater for extra bits. In order to get the discarding behaviour in Python, you can follow a left shift with a bitwise and such as in an 8-bit value shifting left four bits:
bits8 = (bits8 << 4) & 255
With that in mind, another example of ...
Throttling method calls to M requests in N seconds
...happen in big bursts by keeping the size M and delay N relatively small in order of handful millis. eg. M = 5, N = 20ms would provide a through put of 250/sec kepping burst to happen in size of 5.
– FUD
Sep 22 '12 at 10:51
...
Converting an array of objects to ActiveRecord::Relation
...ECT .... WHERE `my_models`.id IN (2, 3, 4, 6, ....
Keep in mind that the ordering of the array will be lost - But since your objective is only to run a class method on the collection of these objects, I assume it won't be a problem.
...
What is the difference between declarative and procedural programming paradigms?
... MXML (part of the Flex framework) is declarative: You tell it what order you want your objects/containers to be displayed, and it handles the layout depending on whether you've told it to lay itself out horizontally or vertically. ActionScript 3 is procedural with support for OOP paradigms.
...
T-SQL split string
...elim, [Number]) - [Number])))
FROM (SELECT Number = ROW_NUMBER() OVER (ORDER BY name)
FROM sys.all_columns) AS x WHERE Number <= LEN(@List)
AND SUBSTRING(@Delim + @List, [Number], DATALENGTH(@Delim)/2) = @Delim
) AS y
);
GO
If you want to avoid the limitation of the length...
How do I trim whitespace from a string?
...l-accepted and meaningful names that the vast majority of languages use in order to be "unique" and "different" - strip instead of trim, isinstance instead of instanceof, list instead of array, etc, etc. Why not just use the names everyone is familiar with?? geez :P
– Gershom
...
How to recover stashed uncommitted changes
... index. Try without --index.
You're using git stash save --keep-index in order to test "what will be committed". This one is beyond the scope of this answer; see this other StackOverflow answer instead.
For complicated cases, I recommend starting in a "clean" working directory first, by committ...
Schema for a multilanguage database
...GRP_Name_i18n_cust, GRP_Name_i18n, GRP_Name) AS GroupName
FROM T_Groups
ORDER BY GroupName COLLATE {#COLLATION}
E) Then, you can do this in your DAL:
cmd.CommandText = cmd.CommandText.Replace("{#COLLATION}", auth.user.language.collation)
Which will then give you this perfectly composed SQL-Q...
Difference between EXISTS and IN in SQL?
... will tell you whether a query returned any results. e.g.:
SELECT *
FROM Orders o
WHERE EXISTS (
SELECT *
FROM Products p
WHERE p.ProductNumber = o.ProductNumber)
IN is used to compare one value to several, and can use literal values, like this:
SELECT *
FROM Orders
WHERE Produ...
Why is a C++ Vector called a Vector?
...Mathematical definition of a vector is a member of the set Sn, which is an ordered sequence of values in a specific set (S). This is what a C++ vector stores.
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