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How to create a new database using SQLAlchemy?
...template1 databases. The default pg_hba.conf permits only the unix user named postgres to use the postgres role, so the simplest thing is to just become that user. At any rate, create an engine as usual with a user that has the permissions to create a database:
>>> engine = sqlalchemy.cr...
Design Patterns: Factory vs Factory method vs Abstract Factory
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All three Factory types do the same thing: They are a "smart constructor".
Let's say you want to be able to create two kinds of Fruit: Apple and Orange.
Factory
Factory is "fixed", in that you have just one implementation with no subclassing. In this case...
How to create ASP.NET Web API Url?
In ASP.NET MVC, we have @Url.Action for actions. Is there something similar like @Url.Api which would route to /api/controller?
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How can I add “href” attribute to a link dynamically using JavaScript?
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var a = document.getElementById('yourlinkId'); //or grab it by tagname etc
a.href = "somelink url"
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Need to understand the usage of SemaphoreSlim
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i guess that if i run 50 thread at a time then code like SemaphoreSlim ss = new SemaphoreSlim(10); will force to run 10 active thread at time
That is correct; the use of the semaphore ensures that there won't be more than 10 workers doing this work at the same t...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...ums Where You Only Need Ints" was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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Google maps API V3 - multiple markers on exact same spot
...well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like to find a way to display them all somehow.
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Error handling principles for Node.js + Express.js applications?
...done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows?
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What's the canonical way to check for type in Python?
...s):
if type(o) is str:
The following also works, and can be useful in some cases:
if issubclass(type(o), str):
See Built-in Functions in the Python Library Reference for relevant information.
One more note: in this case, if you're using Python 2, you may actually want to use:
if isinstance(o...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...to do with the navigation. I've used mod_rewrite , as per CodeIgniter documentation.
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