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Bulk insert with SQLAlchemy ORM
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Compared to inserting the same data from CSV with \copy with psql (from the same client to the same server), I see a huge difference in performance on the server side resulting in about 10x more inserts/s. Apparently is bulk-loading using \copy (or COPY on the ...
method of iterating over sqlalchemy model's defined columns?
...tely not desirable.
But it is actually much easier because if you inherit from Base, you have a __table__ attribute, so that you can do:
for c in JobStatus.__table__.columns:
print c
for c in JobStatus.__table__.foreign_keys:
print c
See How to discover table properties from SQLAlchemy ...
Best Practice: Software Versioning [closed]
...se a new version to the outside world.
So If you make a major change move from version 1.0.0.0 to version 2.0.0.0 (you changed from WinForms to WPF for example). If you make a smaller change move from 1.0.0.0 to 1.1.0.0 (you added support for png files). If you make a minor change then go from 1.0....
What's the difference between a proxy server and a reverse proxy server? [closed]
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The proxy event, in this case, is that the "forward proxy" retrieves data from another web site on behalf of the original requestee.
A tale of 3 computers (part I)
For an example, I will list three computers connected to the internet.
X = your computer, or "client" computer on the internet
Y = ...
Get file name from URI string in C#
I have this method for grabbing the file name from a string URI. What can I do to make it more robust?
8 Answers
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get string value from HashMap depending on key name
...t; newMap = new HashMap<String, String>(); how to get string element from this...? where String value = newMap.get("my_code"); gives error
– saidesh kilaru
Jan 19 '13 at 7:26
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Why are the Level.FINE logging messages not showing?
...y default.
Solution 1
Create a logger for your whole application, e.g. from your package name or use Logger.getGlobal(), and hook your own ConsoleLogger to it.
Then either ask root logger to shut up (to avoid duplicate output of higher level messages), or ask your logger to not forward logs to r...
How do you get the current project directory from C# code when creating a custom MSBuild task?
... Besides that, you can use the Visual Studio SDK and get the location from the solution configuration layout using DTE2.
– Latency
Nov 29 '18 at 16:41
2
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When to use self over $this?
...e Y, it calls Y::foo(). But with self::foo(), X::foo() is always called.
From http://www.phpbuilder.com/board/showthread.php?t=10354489:
By http://board.phpbuilder.com/member.php?145249-laserlight
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Remove file extension from a file name string
...lename you pass as an argument without the extension, as should be obvious from the name.
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