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What does flushing the buffer mean?
I am learning C++ and I found something that I can't understand:
3 Answers
3
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Check if item is in an array / list
... are going to be doing repeated checks on the list, then it might be worth converting it to a set or frozenset, which can be faster for each check. Assuming your list of strs is called subjects:
subject_set = frozenset(subjects)
if query in subject_set:
# whatever
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Is there a code obfuscator for PHP? [closed]
...ches to your customers, and even diagnose his problems by using the map to convert obfuscated complaints back into readable ones. He doesn't have the map, which makes this safe.
– Ira Baxter
Jul 3 '10 at 16:50
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Do I need to manually close an ifstream?
...e before the end of a function you can always use a nested scope.
In the standard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file handle. It is held as a member so that when an ifstream object destructs, it also calls the d...
Multiprocessing: How to use Pool.map on a function defined in a class?
... have been splitting up the functionality into separate packages, and also converting to 2/3 compatible code. Much of the above has been modularized in multiprocess which is 2/3 compatible. See stackoverflow.com/questions/27873093/… and pypi.python.org/pypi/multiprocess.
– M...
PyPy — How can it possibly beat CPython?
...e of them for example took the source, did some kind of analysis on it and converted it directly into tight target specific assembly code after running for a while, I imagine it would be quite faster than CPython.
Update: Recently, on a carefully crafted example, PyPy outperformed a similar C prog...
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
... primary key and the error that occurred on that row...
This is in C#, but converting it to VB should not be hard.
foreach (DataRow dr in dataTable)
{
if (dr.HasErrors)
{
Debug.Write("Row ");
foreach (DataColumn dc in dataTable.PKColumns)
Debug.Write(dc.ColumnName...
Store query result in a variable using in PL/pgSQL
...at will pull the name from test_table where id is your function's argument and leave it in the name variable. Don't leave out the table name prefix on test_table.name or you'll get complaints about an ambiguous reference.
sh...
Process escape sequences in a string in Python
...string, things will go wrong.
unicode_escape is fundamentally designed to convert bytes into Unicode text. But in many places -- for example, Python source code -- the source data is already Unicode text.
The only way this can work correctly is if you encode the text into bytes first. UTF-8 is the...
How do I pass values to the constructor on my wcf service?
...ut yuck, #regions even though it's the least severe case of the offence, I convert to explicit interface impl myself :P)
– Ruben Bartelink
Jun 10 '11 at 5:52
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