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How do I create a simple 'Hello World' module in Magento?
...
For debugging I'd definitely recommend using FirePHP and looking at your HTML source when something goes wrong. The ole echo debug method doesn't really work all that well.
The general architecture is so mind-numbingly complex, that even if I completely understood it, I'd need to write a book to...
How to merge YAML arrays?
...en an array of arrays
Ruby flatten ;; http://ruby-doc.org/core-2.2.2/Array.html#method-i-flatten
Python flatten ;; https://softwareengineering.stackexchange.com/a/254676/23884
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Lock-free multi-threading is for real threading experts
...ook:
http://www.bluebytesoftware.com/books/winconc/winconc_book_resources.html
He also writes a blog on these topics.
The trick to getting low-lock programs right is to understand at a deep level precisely what the rules of the memory model are on your particular combination of hardware, operatin...
How to enable local network users to access my WAMP sites?
...and important. Please see
# http://httpd.apache.org/docs/2.4/mod/core.html#options
# for more information.
#
Options Indexes FollowSymLinks
#
# AllowOverride controls what directives may be placed in .htaccess files.
# It can be "All", "None", or any combination of the ...
Flags to enable thorough and verbose g++ warnings
...):
Cross checked with:
http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-g -O -Wall -Weffc++ -pedantic \
-pedantic-errors -Wextra -Waggregate-return -Wcast-align \
-Wcast-qual -Wconversion \
-Wdisabled-optimization \
-Werror -Wfloat-equal -Wformat=2 \
-Wformat-nonliteral -Wformat-security ...
Log all requests from the python-requests module
...pbin.org/status/200
Date: Thu, 14 May 2020 20:10:13 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 0
Connection: keep-alive
Server: gunicorn/19.9.0
Access-Control-Allow-Origin: *
Access-Control-Allow-Credentials: true
A GUI way
When you have a lot of queries, having a simple UI and a ...
使用Activity启动器组件 · App Inventor 2 中文网
...程序
https://appinventor.mit.edu/explore/content/using-activity-starter.html 上的 AndExplorer 示例使用经典应用程序inventor，展示了外部应用程序如何在应用程序终止时将结果作为活动启动器的属性提供。 对于 AndExplorer，属性是 ResultType 和 ResultUri...
Approximate cost to access various caches and main memory?
... us|
| ms|
From:
Originally by Peter Norvig:
- http://norvig.com/21-days.html#answers- http://surana.wordpress.com/2009/01/01/numbers-everyone-should-know/,- http://sites.google.com/site/io/building-scalable-web-applications-with-google-app-engine
...
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...d arguments were passed to the function." - docs.python.org/3/whatsnew/3.6.html In fact, all dicts in CPython 3.6 will remember insertion order as an implementation detail, this becomes standard in Python 3.7.
– Aaron Hall♦
Jan 12 '17 at 20:47
...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...ion Class - http://developer.android.com/reference/android/app/Application.html
Everytime you start an AsyncTask, set it on the Application and when it finishes it set it to null.
When a fragment/activity starts you can check if any AsyncTask is running (by checking if it's null or not on the Appl...