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Arduino 101 实验06 - 土壤湿度传感器，做一个浇水提醒 · App Inventor 2 中文网
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Virtual member call in a constructor
I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor.
18 Answers
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postgresql - sql - count of `true` values
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You can actually omit ELSE null to get the same result.
– 200_success
May 12 '16 at 18:26
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Tool to convert Python code to be PEP8 compliant
...fficult
As an alternative (and thanks to @y-p for the idea), I wrote a small package which autopep8s only those lines which you have been working on since the last commit/branch:
Basically leaving the project a little better than you found it:
pip install pep8radius
Suppose you've done your wo...
Is it possible to set a custom font for entire of application?
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I find it really annoying to have to swap out the default TextView everywhere to use custom fonts or use a reflection based solution like this. Combined with the limiting set of fonts available in android, it makes developing good lookin...
What is the correct way to make a custom .NET Exception serializable?
More specifically, when the exception contains custom objects which may or may not themselves be serializable.
7 Answers
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How can I merge properties of two JavaScript objects dynamically?
...Later properties overwrite earlier properties with the same name. */
const allRules = {...obj1, ...obj2, ...obj3};
Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work.
ECMAScript 2015 (ES6) Stand...
Use cases for NoSQL [closed]
NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm p...
How to unset a JavaScript variable?
I have a global variable in JavaScript (actually a window property, but I don't think it matters) which was already populated by a previous script but I don't want another script that will run later to see its value or that it was even defined.
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