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Python: most idiomatic way to convert None to empty string?

... If you actually want your function to behave like the str() built-in, but return an empty string when the argument is None, do this: def xstr(s): if s is None: return '' return str(s) ...
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How do I unit test web api action method when it returns IHttpActionResult?

...red Nov 12 '13 at 18:46 Kiran ChallaKiran Challa 52.2k1212 gold badges165165 silver badges148148 bronze badges ...
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解决IIS发布时global_asax的dll 的CS0433冲突问题 - 环境配置 - 清泛IT社区,为创新赋能!

...ode appropriately. Compiler Error Message: CS0433: The type 'ASP.global_asax' exists in both 'c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\925f9bdc\bb48a68c\App_global.asax.eptr0taj.dll' and 'c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\...
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How to define object in array in Mongoose schema correctly with 2d geo index

...[Object]. Somehow I have no idea how this should work, as I tried at least all approaches which made sense to me ;-) 4 Answ...
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Swift: #warning equivalent

...builds clean in production, but I get a warning in development that essentially reminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted...
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is there a css hack for safari only NOT chrome?

...3 (early 2020 Update) * PLEASE PLEASE -- If you are having trouble, and really want to get help or help others by posting a comment about it, Post Your Browser and Device (MacBook/IPad/etc... with both browser and OS version numbers!) Claiming none of these work is not accurate (and actually not ev...
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How to make rounded percentages add up to 100%

...55310199789695, 8.780231335436383, 8.04416403785489, 0]. The last one logically returns -1. I thought of the following solution really quickly but there's probably something better: jsfiddle.net/0o75bw43/1 – Cruclax Aug 5 '16 at 16:39 ...
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to

The title pretty much says it all. What's the simplest/most elegant way that I can convert, in Java, a string from the format "THIS_IS_AN_EXAMPLE_STRING" to the format " ThisIsAnExampleString "? I figure there must be at least one way to do it using String.replaceAll() and a regex. ...
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Why is extending native objects a bad practice?

...ody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object? 8 Answe...
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How to show git log history for a sub directory of a git repo?

...ne -- src/nvfs d6f6b3b Changes for Mac OS X 803fcc3 Initial Commit # Show all changes (one additional commit besides in src/nvfs). $ git log --oneline d6f6b3b Changes for Mac OS X 96cbb79 gitignore 803fcc3 Initial Commit s...