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Reference assignment operator in PHP, =&
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Why use argparse rather than optparse?
...se is better for all the reasons listed on its original page (https://code.google.com/archive/p/argparse/):
handling positional arguments
supporting sub-commands
allowing alternative option prefixes like + and /
handling zero-or-more and one-or-more style arguments
producing more informative usage...
running Rails console in production
...re actually trying to run the rails console on your production server, try googling "run rails console [your cloud hosting provider]" e.g. "run rails console heroku"
As of Rails 6 you need to use
RAILS_ENV=production bundle exec rails c
or
RAILS_ENV=production rails c
depending on your setup...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
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As far as getBaseContext() is concerned, Google's Android Developers suggested this: "Don't use getBaseContext(), just use the Context you have." So, in effect, they suggest you use this for Activities.
– ChuongPham
Dec 19 '12 ...
classical inheritance vs prototypal inheritance in javascript
I have googled so many links and can't get good idea about the difference between classical inheritance and prototypal inheritance?
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What is the difference between Int and Integer?
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How to post JSON to PHP with curl
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Google App Engine: Is it possible to do a Gql LIKE query?
...index for a LIKE query so it's simply not available.
Have a watch of this Google IO session for a much better and more detailed explanation of this.
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Check if Python Package is installed
...c() cannot find it unless you use dots. Example: importlib.util.find_spec('google-cloud-logging') finds nothing while importlib.util.find_spec('google.cloud.logging') is found. The official name and name that pip shows is with dashes, not dots. Might be confusing therefore use with caution.
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
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