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multiprocessing.Pool: When to use apply, apply_async or map?
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Here is an overview in a table format in order to show the differences between Pool.apply, Pool.apply_async, Pool.map and Pool.map_async. When choosing one, you have to take multi-args, concurrency, blocking, and ordering into account:
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Good Free Alternative To MS Access [closed]
...end with the forms/queries/reports (i.e., UI objects) and a back end (data tables only).
It's clear that what is needed here is a database application development tool like Access. None of the database-only answers are in any way responsive to that.
Please learn about Access before answering Acce...
Having Django serve downloadable files
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If you use a table to store file information, including which users should be able to download it, then all you need to send is the primary key, not the filename, and the app decides what to do.
– Edward Newell
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SQL NVARCHAR and VARCHAR Limits
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declare @p varbinary(max)
set @p = 0x
declare @local table (col text)
SELECT @p = @p + 0x3B + CONVERT(varbinary(100), Email)
FROM tbCarsList
where email <> ''
group by email
order by email
set @p = substring(@p, 2, 100000)
insert @local values(cast(@p as varcha...
Add icon to submit button in twitter bootstrap 2
... </td>
</tr>
<% end %>
</tbody>
</table>
<%= link_to(new_product_path, :class => 'btn btn-primary') do %>
New <i class="icon-plus icon-white"></i>
<% end %>
In case you're not using Rails, here is the output HTML for the l...
Naming convention - underscore in C++ and C# variables
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Except for teams that want their properties to be immutable.
– ChaosPandion
Jun 28 '10 at 22:34
11
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Making a LinearLayout act like an Button
...d Layout:
API 11+ (Pure Android):
android:background="?android:attr/selectableItemBackground"
API 7+ (Android + AppCompat Support Library):
android:background="?attr/selectableItemBackground"
Any API:
android:background="@android:drawable/list_selector_background"
Answers above still true ...
FileSystemWatcher vs polling to watch for file changes
...that people down the thread, mentioning the msdn document about non-page-outable buffer overruns could explain your problems. Have you tried using Brent's approach ?
– v.oddou
Sep 30 '14 at 7:47
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mongodb: insert if not exists
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You may use Upsert with $setOnInsert operator.
db.Table.update({noExist: true}, {"$setOnInsert": {xxxYourDocumentxxx}}, {upsert: true})
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What is the function of the push / pop instructions used on registers in x86 assembly?
...l testing is possible, and Agner Fog has done it and published instruction tables. Pentium-M and later CPUs have single-uop push/pop thanks to the stack engine (See Agner's microarch pdf). This include recent AMD CPUs, thanks to the Intel/AMD patent-sharing agreement.
– Pet...