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Should switch statements always contain a default clause?

...e back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now. ...
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on

... One can also use a spec_helper.rb file in all projects. The file should include the following: RSpec.configure do |config| # Use color in STDOUT config.color = true # Use color not only in STDOUT but also in pagers and files config.tty = true # Use the s...
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Add params to given URL in Python

... @florian : At least in python 2.7 you then need to call urlencode as urllib.urlencode(query, doseq=True). Otherwise, parameters that existed in the original url are not preserved correctly (because they are returned as tuples from @parse_qs@ – rluba ...
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autolayout - make height of view relative to half superview height

...een getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superv...
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How can we programmatically detect which iOS version is device running on? [duplicate]

...j/CJAMacros/blob/master/CJAMacros/CJAMacros.h Like this: #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersi...
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Is it considered bad practice to perform HTTP POST without entity body?

...example below) doesn't have a parameter to accept a body. the method "post_disable_db" just accepts a path parameter "db_name" and doesn't have a 2nd parameter which would imply a mandatory body. @router.post('/{db_name}/disable', status_code=HTTP_200_OK, response_model=R...
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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...广播方式的报文有4种,分别为可连接的非定向广播(ADV_IND)、可连接的定向广播(ADV_DIRECT_IND)、可扫描非定向广播(ADV_SCAN_IND)、不可连接的非定向广播(ADV_NONCONN_IND) 4种广播的使用场景各不相同 可连接的非定向广播(A...
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Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?

Why isn't ProjectName-Prefix.pch created automatically in Xcode 6 ? 8 Answers 8 ...
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Optional query string parameters in ASP.NET Web API

...ect using [FromUri] doesn't directly answer the original question. It basically says populate these models with the values from the Uri. The models properties would need to be nullable or a reference type in order for them to support being optional. Added additional information. ...
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What exactly does git's “rebase --preserve-merges” do (and why?)

...it, and deal with some extra wrinkles The most interesting part, conceptually, is perhaps in picking what the new commit's merge parents should be. Replaying merge commits also require explicitly checking out particular commits (git checkout <desired first parent>), whereas normal rebase do...