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Extracting extension from filename in Python
...ly treat /a/b.c/d as having no extension instead of having extension .c/d, and it will treat .bashrc as having no extension instead of having extension .bashrc:
>>> os.path.splitext('/a/b.c/d')
('/a/b.c/d', '')
>>> os.path.splitext('.bashrc')
('.bashrc', '')
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Overloaded method selection based on the parameter's real type
...e. More
generally, to force the compiler to select a specific overloading, cast actual parameters to the declared types of the formal parameters.
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Reading and writing environment variables in Python? [duplicate]
My python script which calls many python functions and shell scripts. I want to set a environment variable in Python (main calling function) and all the daughter processes including the shell scripts to see the environmental variable set.
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Import a module from a relative path
... of modules with your script. I use this in production in several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter.
import os, sys, inspect
# realpath() will make your script run, even if ...
java: HashMap not working
...s aren't retained at runtime. They are just "syntactic sugar" for explicit casting to save you doing this:
Integer i = (Integer)myMap.get("foo");
To give you an example, this code is perfectly legal:
Map<String, Integer> myMap = new HashMap<String, Integer>();
Map<Integer, String&...
Concatenate multiple result rows of one column into one, group by another column [duplicate]
...ase.
string_agg() expects data type text as input. Other types need to be cast explicitly (actor::text) - unless an implicit cast to text is defined - which is the case for all other character types (varchar, character, "char"), and some other types.
As isapir commented, you can add an ORDER BY c...
How to pass a single object[] to a params object[]
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A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new object[]{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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PHP script - detect whether running under linux or Windows?
... placed on a windows system or a linux system. I need to run different commands in either case.
14 Answers
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Getting file size in Python? [duplicate]
... I ran both with %timeit on all the files in a given directory and found os.stat to be marginally faster (~6%).
– J'e
Nov 4 '16 at 16:00
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How do I find out my python path using python?
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And that problem with the separator is probably why I wasn't getting the love. Thanks for setting me straight.
– Mark Ransom
Sep 30 '09 at 16:03
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