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Should import statements always be at the top of a module?
... a few instructions just to see if the module exists / is in sys.modules / etc.
– John Millikin
Sep 25 '08 at 17:56
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XML attribute vs XML element
...ke in communicating. By escaping, I mean XML encoding. '<' = &lt; etc. It seems odd to me to decide between an attribute or element based on the characters that make up the content instead of the meaning of the content.
– micahtan
May 17 '10 at 21:29
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Why can't I call read() twice on an open file?
... import Path; text = Path(filename).read_text() Takes care of open, close, etc.
– PaulMcG
Jun 19 '17 at 12:06
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Flask-SQLAlchemy import/context issue
...__)
db.init_app(app)
app.register_blueprint(reporting)
Note: this is a sketch of some of the power this gives you - there is obviously quite a bit more that you can do to make development even easier (using a create_app pattern, auto-registering blueprints in certain folders, etc.)
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How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...it as a generic "block of bytes". For things like compression, encryption, etc., worrying about the encoding is meaningless. See my answer for a way to do this without worrying about the encoding. (I might have given a -1 for saying you need to worry about encodings when you don't, but I'm not feeli...
How can I auto increment the C# assembly version via our CI platform (Hudson)?
...y be an acceptable solution but the # built isn't stored within subversion etc. I have Hudson setup to archive the files and in that way it is stored so that might be acceptable. I will have to do some more research into how that mechanism works, thanks! You wouldn't know how it determines what t...
In Python, how do I use urllib to see if a website is 404 or 200?
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The getcode() method (Added in python2.6) returns the HTTP status code that was sent with the response, or None if the URL is no HTTP URL.
>>> a=urllib.urlopen('http://www.google.com/asdfsf')
>>> a.getcode()
404...
PostgreSQL Crosstab Query
...you might have attributes of different kind and output text, date, numeric etc. for respective attributes. There is a code example at the end of the chapter crosstab(text, text) in the manual.
db<>fiddle here
Advanced examples
Pivot on Multiple Columns using Tablefunc - also demonstrating...
Why does C++ compilation take so long?
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You could tell from the same argumentation that C, Pascal etc. compilers are slow, which is not true on average. It has more to do with C++'s grammar and the huge state that a C++ compiler has to maintain.
– Sebastian Mach
Jun 10 '11 at 8:40
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MySQL CONCAT returns NULL if any field contain NULL
...se the following:
SELECT CONCAT_WS("",affiliate_name,':',model,'-',ip,... etc)
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