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Allowed characters in Linux environment variable names
What characters are allowed in Linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed.
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What is the _references.js used for?
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In VS 11, Visual Studio will give you intellisense from all files
that have references in the “_references.js” file.
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About catching ANY exception
How can I write a try / except block that catches all exceptions?
8 Answers
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Localization of DisplayNameAttribute
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I looked all over before finding this page... this is such a life saver. Thanks! Works good on MVC5 for me.
– Kris
Apr 20 '18 at 14:42
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What is the difference between Non-Repeatable Read and Phantom Read?
... (explained here). If the select query is too complex to create a covering index, in order to avoid deadlocks you will want to use a READ UNCOMMITED isolation level with the risk of encountering dirty reads, but how often do you rollback transactions to worry about those dirty reads not being perman...
How do you add a Dictionary of items into another Dictionary
...n drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay.
– Roland
Jun 9 '14 at 12:02
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Saving a Numpy array as an image
... Remember to scale the values to the right range for PNG, usually 0..255. The value ranges in neural networks are frequently 0..1 or -1..1.
– Tomáš Gavenčiak
Mar 31 '18 at 18:49
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Python: split a list based on a condition?
What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
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Integrating MySQL with Python in Windows
...rrently, I would recommend using PyMySQL. It's pure python, so it supports all OSes equally, it's almost a drop-in replacement for mysqldb, and it also works with python 3. The best way to install it is using pip. You can install it from here (more instructions here), and then run:
pip install pymy...
Read-only and non-computed variable properties in Swift
...g in Objective-C. I have readonly properties, and they cannot be individually changed. However, using a specific method, the properties are changed in a logical way.
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