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When is “i += x” different from “i = i + x” in Python?
...otation of i = i + . Is there a case in which i += 1 would be different from i = i + 1 ?
3 Answers
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How to remove globally a package from Composer?
... many commands like install, require or update as if you were running them from the COMPOSER_HOME directory.
Read the related documentation here: http://getcomposer.org/doc/03-cli.md#global
COMPOSER_HOME depends on your system (on Linux it's ~/.composer), see http://getcomposer.org/doc/03-cli.md#...
What is lexical scope?
...ed which is under the scope of function whatismyscope.
It will not bother from whatever it is being called(the global scope/from within another function even), that's why global scope value I am global will not be printed.
This is called lexical scoping where "functions are executed using the scop...
Extract only right most n letters from a string
...can I extract a substring which is composed of the rightmost six letters from another string ?
21 Answers
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How to configure Ruby on Rails with no database?
...d for a database. I know I could create an empty database in MySQL and go from there, but does anyone know a better way to run Rails without a database?
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Why use pip over easy_install? [closed]
...answers here are out of date for 2015 (although the initially accepted one from Daniel Roseman is not). Here's the current state of things:
Binary packages are now distributed as wheels (.whl files)—not just on PyPI, but in third-party repositories like Christoph Gohlke's Extension Packages for ...
MongoDB and “joins” [duplicate]
....mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
foreignField: <field from the documents of the "from" collection>,
a...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...
please add a few more notes on security/preventing files from destroying your web site
– Andrew
Jan 26 '17 at 17:43
1
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Differences between .NET 4.0 and .NET 4.5 in High level in .NET
... Where are these changes actually made? I just upgraded an application from 4.0 to 4.6.2 and notice it still references mscorlib 4.0, System.Data 4.0, System.ServiceModel 4.0 ... etc. All the references are still 4.0.
– xr280xr
Jan 7 '19 at 19:30
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npm not working after clearing cache
...
"As of npm@5, the npm cache self-heals from corruption issues and data extracted from the cache is guaranteed to be valid. If you want to make sure everything is consistent, use
npm cache verify
instead."
...