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How to write log base(2) in c/c++
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If you want to make it fast, you could use a lookup table like in Bit Twiddling Hacks (integer log2 only).
uint32_t v; // find the log base 2 of 32-bit v
int r; // result goes here
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 9, 1, 10, 13, 21, 2, 29, 11, 1...
Run function from the command line
...the function's name) into locals, a dictionary with a current local symbol table. The parantheses at the end will make the function be called.
update: if you would like the function to accept a parameter from the command line, you can pass in sys.argv[2] like this:
def myfunction(mystring):
pr...
jQuery $(document).ready and UpdatePanels?
...ut something that needs to happen on pageload? For example zebra striping tables? $('TABLE TR:nth-child(odd)').addClass('alt-row');
– Adam Youngers
Sep 8 '11 at 20:32
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Table is marked as crashed and should be repaired
...an use the command (there must be ample space for the mysql files)
REPAIR TABLE `<table name>`;
for repairing individual tables
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Dashed line border around UIView
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hey i applied this code to label on table view cell but it give small size of border how can i correct this.
– Chaudhary Ankit Deshwal
Jun 6 '16 at 19:28
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MySQL JOIN the most recent row only?
I have a table customer that stores a customer_id, email and reference. There is an additional table customer_data that stores a historical record of the changes made to the customer, i.e. when there's a change made a new row is inserted.
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...le gem:
CREATE FUNCTION dbo.Split (@sep char(1), @s varchar(512))
RETURNS table
AS
RETURN (
WITH Pieces(pn, start, stop) AS (
SELECT 1, 1, CHARINDEX(@sep, @s)
UNION ALL
SELECT pn + 1, stop + 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0
)
S...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...didate for a terminal value because some_function has an extremely unpredictable return type (which is probably a bad sign in itself), then an additional boolean value, e.g. $found, could be used instead.
Thought experiment one: the very_null constant
PHP could theoretically provide a special cons...
Is generator.next() visible in Python 3?
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Try:
next(g)
Check out this neat table that shows the differences in syntax between 2 and 3 when it comes to this.
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How can I set the max-width of a table cell using percentages?
The above does not work. How can I set the max-width of a table cell using percentages?
4 Answers
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