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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...ns. (Running different versions on different machines could lead to broken tests, etc.) You shouldn't ever have to directly edit the lock file.
Check out Bundler's Purpose and Rationale, specifically the Checking Your Code into Version Control section.
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Determining type of an object in ruby
... to how String behaves. object.respond_to?(:to_s) would be a better way to test that the object in question does what you want.
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...lags as described in Google API docs (that's what happened when I did some testing)
Additionally the Android Developer API Guidelines suggest:
ACTION_OPEN_DOCUMENT is not intended to be a replacement for ACTION_GET_CONTENT. The one you should use depends on the needs of
your app:
Use ACTION_GET_CON...
How to add a custom button state
.... The call shall be placed in the setters. I have not tried other classes. Tests performed on a froyo device.
– Giorgio Barchiesi
Apr 28 '11 at 17:09
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Oracle PL/SQL - How to create a simple array variable?
... @Abdul, no it doesn't. I never use VARRAYs normally but when testing the above code I checked what happens if you try to extend a varray(3) 4 times - you get a "subscript out of limit" error.
– Tony Andrews
Jun 15 '16 at 16:29
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Clicking the text to select corresponding radio button
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I just tested my way in chrome and firefox and found that it reduces the unclickable space from 7 to 3 pixels by removing the space character. see why-is-there-an-unexplainable-gap-between-these-inline-block-div-elements. the three ...
What is the difference between C, C99, ANSI C and GNU C?
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The original concept was that given code like int i; int test(double *p) { i=1; *p=2.0; return i; } a compiler shouldn't be required to reload i after the write to *p on the off chance that p might hold the address of i. Perfectly reasonable. The problem is that modern compilers ...
What are the downsides to using Dependency Injection? [closed]
...or the past 6 months. While overall I think it is great (especially from a testing perspective), there are certain downsides. Most notably:
Code can become harder to understand. Dependency injection can be used in very... creat
Modify request parameter with servlet filter
...o you will get MissingServletRequestParameterException without overriding. Tested on Spring Boot 1.2.6 with spring-web 4.1.7.
– barryku
Dec 15 '15 at 23:58
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Why are C# interface methods not declared abstract or virtual?
...t error "error CS0106: The modifier 'virtual' is not valid for this item". Tested using v2.0.50727 (oldest version on my PC).
– ccppjava
Aug 22 '13 at 10:01
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