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Given a DateTime object, how do I get an ISO 8601 date in string format?
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I live in Australia, and for me I had to use ToString("yyyy-MM-ddTHH:mm:ssK") for this to work (with the jquery timeago plugin I was using).
– GONeale
Aug 3 '11 at 5:50
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Bash: Strip trailing linebreak from output
When I execute commands in Bash (or to be specific, wc -l < log.txt ), the output contains a linebreak after it. How do I get rid of it?
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How to delete or add column in SQLITE?
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SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, remove a column, or add or remove constraints from a table.
You can:
create new table as ...
Is there a way to detect if an image is blurry?
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Yes, it is. Compute the Fast Fourier Transform and analyse the result. The Fourier transform tells you which frequencies are present in the image. If there is a low amount of high frequencies, then the image is blurry.
Defining the terms 'low' and 'high' is up to you.
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Select SQL Server database size
... Maybe I'm doing something wrong. I had 100 000 rows that I dropped and then I checked the size given these exampels. Size is still about 14 GB.
– Essej
Sep 22 at 6:39
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Difference between abstraction and encapsulation?
What is the precise difference between encapsulation and abstraction?
39 Answers
39
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What is Python buffer type for?
...buffer in this case is a sub-string, starting at position 6 with length 5, and it doesn't take extra storage space - it references a slice of the string.
This isn't very useful for short strings like this, but it can be necessary when using large amounts of data. This example uses a mutable bytearr...
How to implement a rule engine?
...ppet compiles the Rules into fast executable code (using Expression trees) and does not need any complicated switch statements:
(Edit : full working example with generic method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression...
Code Golf: Collatz Conjecture
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x86 assembly, 1337 characters
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; To assemble and link this program, just run:
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; >> $ nasm -f elf collatz.asm && gcc -o collatz collatz.o
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; You can then enjoy its output by passing a number to it on the command line:
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; >> $ ./collatz 123
; >&...
How to check if a String contains any of some strings
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Simple and obvious solution. But is there any good ready to use implementation that not require multiple iterations through haystack string? I can implement it by myself, iterating through haystack string characters and comparing fi...