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How can I convert an RGB image into grayscale in Python?
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Eclipse: enable assertions
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Under the field for VM arguments, type -ea to enable assertions.
Click on the Apply and then Run button.
To globally set it as the default for everything:
Go to menu Window (if you are on Windows), or go to menu Eclipse (if you are on Mac). For Linux it might be something similar.
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event.returnValue is deprecated. Please use the standard event.preventDefault() instead
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This is only a warning: your code still works, but probably won't work in the future as the method is deprecated. See the relevant source of Chromium and corresponding patch.
This has already been recognised and fixed in jQuery 1.11 (see here and here).
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How to correctly use the extern keyword in C
...y question is about when a function should be referenced with the extern keyword in C.
10 Answers
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Boolean method naming readability
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public boolean userExists(...)
Would be my prefered. As it makes your conditional checks far more like natural english:
if userExists ...
But I guess there is no hard and fast rule - just be consistent
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What is the best IDE to develop Android apps in? [closed]
...ed anymore. It is definitely the IDE of choice for Android Development. Link to download page: http://developer.android.com/sdk/index.html
NEWS
As of Google I/O 2013, the Android team has moved to IntelliJ Idea with the new Android Studio IDE: http://developer.android.com/sdk/installing/studio.h...
Spring Boot - inject map from application.yml
... have a Spring Boot application with the following application.yml - taken basically from here :
7 Answers
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How to configure Fiddler to listen to localhost?
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Works in .net without having to set proxy in the HttpClientHandler!
– Telemat
Feb 18 '15 at 7:47
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Find the extension of a filename in Ruby
I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
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Get table names using SELECT statement in MySQL
In MySQL, I know I can list the tables in a database with:
12 Answers
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