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How do I convert between big-endian and little-endian values in C++?
How do I convert between big-endian and little-endian values in C++?
31 Answers
31
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Why is enum class preferred over plain enum?
... enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int)
Plain enums - where enumerator names are in the same scope as the enum and their
values implicitly convert to integers and other types
Example:
enum Color { red, green, blu...
SQL Server Regular expressions in T-SQL
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If anybody is interested in using regex with CLR here is a solution. The function below (C# .net 4.5) returns a 1 if the pattern is matched and a 0 if the pattern is not matched. I use it to tag lines in sub queries. The SQLfunction attrib...
How do I change db schema to dbo
...changing the object owner. Haven't tried it on 2008, though.
DECLARE @old sysname, @new sysname, @sql varchar(1000)
SELECT
@old = 'jonathan'
, @new = 'dbo'
, @sql = '
IF EXISTS (SELECT NULL FROM INFORMATION_SCHEMA.TABLES
WHERE
QUOTENAME(TABLE_SCHEMA)+''.''+QUOTENAME(TABLE_NAME) = '...
Is Python strongly typed?
... In fact, when you overload + on a custom type, you can make it implicitly convert anything to a number:
def to_number(x):
"""Try to convert function argument to float-type object."""
try:
return float(x)
except (TypeError, ValueError):
return 0
class Foo:
def _...
Parallelize Bash script with maximum number of processes
...
Depending on what you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
...
Objective-C parse hex string to integer
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In addition, you could use a string substitution to convert the # character to the 0x prefix.
– hotpaw2
Sep 6 '10 at 0:57
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What is uintptr_t data type
...igned integer type with the property that any valid pointer to void can be converted to this type, then converted back to pointer to void, and the result will compare equal to the original pointer".
Take this to mean what it says. It doesn't say anything about size.
uintptr_t might be the same siz...
How to rename a table in SQL Server?
...e, referenced_database_name
--,sed.* -- Uncomment for all the columns
FROM
sys.sql_expression_dependencies sed
INNER JOIN
sys.objects o ON sed.referencing_id = o.[object_id]
LEFT OUTER JOIN
sys.objects o1 ON sed.referenced_id = o1.[object_id]
WHERE
referenced_entity_name = 'Customer'
So, all these...
Why is semicolon allowed in this python snippet?
...f you want to use other arguments in your one-liner, you'll have to import sys to get at sys.argv, which requires a separate import statement. e.g.
python -c "import sys; print ' '.join(sorted(sys.argv[1:]))" 5 2 3 1 4
1 2 3 4 5
...