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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...005, but there's no progress or plan as far as I know. bugs.mysql.com/bug.php?id=9018
– Bill Karwin
Jul 16 '12 at 2:23
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How to articulate the difference between asynchronous and parallel programming?
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When you run something asynchronously it means it is non-blocking, you execute it without waiting for it to complete and carry on with other things. Parallelism means to run multiple things at the same time, in parallel. Parallelism works well when you can separate tasks into indep...
Redis command to get all available keys?
...er): SCAN is a superior alternative to KEYS, in the sense that it does not block the server nor does it consume significant resources. Prefer using it.
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What is a “batch”, and why is GO used?
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GO is not a statement, it's a batch separator.
The blocks separated by GO are sent by the client to the server for processing and the client waits for their results.
For instance, if you write
DELETE FROM a
DELETE FROM b
DELETE FROM c
, this will be sent to the server as ...
How to access the first property of a Javascript object?
... @DavChana - You had your benchmark set up wrong. The boilerplate block will always be executed and your block 2 was empty, meaning the first result represents execution boilerplate+block1, and the second result represents only boilerplate. Here is the correct benchmark: http://jsben.ch/#/R...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... This is a Multithreading Issue and Using Properly Synchronized Blocks This can be prevented. Without putting extra things on UI Thread and causing loss of responsiveness of app.Check my answer below.
– Javanator
Jan 2 '14 at 7:50
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How to keep a .NET console app running?
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Remember that 'Console.ReadLine()' is thread blocking. So the application would still be running but doing nothing than waiting the user enter a line
– fabriciorissetto
Sep 30 '15 at 13:24
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Event system in Python
... limited interface, but higher performance".
pyeventdispatcher is based on PHP's Symfony framework's event-dispatcher.
dispatcher was extracted from django.dispatch but is getting fairly old.
Cristian Garcia's EventManger is a really short implementation.
Others:
pluggy contains a hook system whic...
Python try…except comma vs 'as' in except
... is multicatch which allows you to catch multiple exceptions in one except block. In such a situation, it's more expressive and pythonic to say
except (exception1, exception2) as e
rather than to say
except (exception1, exception2), e
which would still work
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What is the difference between an Azure Web Site and an Azure Web Role
...mmand-line tools to set up a web site with popular languages such as .NET, PHP, Node.js, and Python. Supported frameworks are already deployed and do not require more installation steps. The Azure Web Sites gallery contains many third-party applications, such as Drupal and WordPress as well as devel...