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How to find a min/max with Ruby
...ray#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max].
[4, 5, 7, 10].minmax
=> [4, 10]
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What is the difference between ~> and >= when specifying rubygem in Gemfile?
... and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementing to some arbitrary value, but the ones preceding it in the string cannot be gr...
How to keep a git branch in sync with master
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You will have quite a few "merge commits", essentially git trying to resolve differences between your branches. if you're worried about that AND you're the only one using the branch then do a "git rebase master" instead of a "git merge master" AND DO NOT PUSH THE COMMITS TO ...
How to delete from select in MySQL?
...n result sets. So you need to use IN, not = in your WHERE clause.
Additionally, as shown in this answer you cannot modify the same table from a subquery within the same query. However, you can either SELECT then DELETE in separate queries, or nest another subquery and alias the inner subquery resul...
How to pass html string to webview on android
... web view, after parsing I am creating four strings so that I could append all string to one view. I am able to get two views on the web view but not the first two strings.
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Retrieve version from maven pom.xml in code
... to retrieve version number from maven's pom.xml in code, i.e., programatically?
11 Answers
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Clearing intent
My Android app is getting called by an intent that is passing information (pendingintent in statusbar).
20 Answers
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Polymorphism vs Overriding vs Overloading
...xample when teaching a class. The canonical "Bank Account" class didn't really express the "abstractness" of the base class. The other canonical example (Animal, make noise) was too abstract for understanding. I was looking for a single base with too obvious subclasses. Actually, goPee() was the...
Container-fluid vs .container
... element, on the other hand, will constantly resize as you make even the smallest changes to your browser width.
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Why does TestInitialize get fired for every test in my Visual Studio unit tests?
...re that no tests are coupled.
If you want to run methods before and after ALL tests, decorate relevant methods with the ClassInitialize and ClassCleanup attributes.
Relevant information from the auto generated test-file in Visual Studio:
You can use the following additional attributes as you writ...