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Combining node.js and Python
...is a perfect match for our web project, but there are few computational tasks for which we would prefer Python. We also already have a Python code for them.
We are highly concerned about speed, what is the most elegant way how to call a Python "worker" from node.js in an asynchronous non-blocking wa...
Best way to select random rows PostgreSQL
...ly no or few write operations.
Your ID column has to be indexed! A primary key serves nicely.
The query below does not need a sequential scan of the big table, only an index scan.
First, get estimates for the main query:
SELECT count(*) AS ct -- optional
, min(id) AS min_id
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Checking length of dictionary object [duplicate]
I'm trying to check the length here. Tried count. Is there something I'm missing?
4 Answers
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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It means you're trying to install an app with the same packageName as an app that's already installed on the emulator, but the one you're trying to install has a lower versionCode (integer value for your version number).
You might have installed from a separate copy of the code whe...
Modify/view static variables while debugging in Eclipse
...n the right of the view. the tooltip of this button is Menu.
When you click this button a drop down menu is shown where you can select
Java -> Show static variables
Note: You do not have to restart Eclipse.
share
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C# switch on type [duplicate]
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Noctis
10.7k33 gold badges3535 silver badges7171 bronze badges
answered Dec 18 '10 at 14:51
Mark HMark H
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Get current value of a setting in Vim
... of finding out the current value of a specified Vim setting? If I want to know the current value of, say tabstop , I can run:
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Append a Lists Contents to another List C#
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Cœur
29.8k1515 gold badges166166 silver badges214214 bronze badges
answered Dec 1 '09 at 11:29
LeeLee
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What's the best way to put a c-struct in an NSArray?
...weight than NSData for simple data structures.
Simply use an expression like the following:
[NSValue valueWithBytes:&p objCType:@encode(Megapoint)];
And to get the value back out:
Megapoint p;
[value getValue:&p];
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
...t on a mac and started writing tests for a project with a file structure likes so:
20 Answers
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