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Spring Boot - inject map from application.yml

...ize() } private void initialize() { //.... } } After starting the application, providers map in OAuth2ProvidersService was not initialized. I tried the solution suggested by Andy, but it didn't work as well. I use Groovy in that application, so I decided to remove private and l...
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String concatenation in Ruby

... Since strings are starting to be immutable now, I'd love to see a new benchmark for this. – bibstha Mar 28 '18 at 14:15 ...
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Painless way to install a new version of R?

...library/ Answer "no" to the prompts asking you if it is okay to overwrite. Start R 2.11.0 Run the R command update.packages() share | improve this answer | follow ...
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How do I delete unpushed git commits?

...te Now your changes are reapplied in branch topic_duplicate based on the starting point of "dump" but only the commits that have happened since "master". So your changes since master are now reapplied on top of "dump" but the result ends up in "topic_duplicate". You could then replace "dump" with...
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When to use a View instead of a Table?

...s. So if the system conks before code is complete, I only have to pick up starting from the last saved temp table. I might switch to using views if they offered the same permanence. Otherwise I'll just keep doing same, and dropping temps at the end of the run. Thx! – ouono...
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How to mock an import

...{'app.app.models': models_mock} patch.dict('sys.modules', modules).start() def test1(self): from app.app.models_interface.seat_interface import SeatInterface And then test magically runs OK :) . Ran 1 test in 0.002s OK ...
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mysqli or PDO - what are the pros and cons? [closed]

... I've started using PDO because the statement support is better, in my opinion. I'm using an ActiveRecord-esque data-access layer, and it's much easier to implement dynamically generated statements. MySQLi's parameter binding must ...
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Invert “if” statement to reduce nesting

...econditions are a great example of where it is okay to return early at the start of the function. Why should the readability of the rest of the function be affected by the presence of a precondition check? As for the negatives about returning multiple times from a method - debuggers are pretty powe...
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What is the Ruby (spaceship) operator?

... I will explain with simple example [1,3,2] <=> [2,2,2] Ruby will start comparing each element of both array from left hand side. 1 for left array is smaller than 2 of right array. Hence left array is smaller than right array. Output will be -1. [2,3,2] <=> [2,2,2] As above it will f...
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Check to see if python script is running

...t to delete the file when you shut down cleanly, and check for it when you start up. #/usr/bin/env python import os import sys pid = str(os.getpid()) pidfile = "/tmp/mydaemon.pid" if os.path.isfile(pidfile): print "%s already exists, exiting" % pidfile sys.exit() file(pidfile, 'w').write...