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Center a popup window on screen?

...lso work on windows that aren't maxed out to the screen's width and height now thanks to @Frost! If you're on dual monitor, the window will center horizontally, but not vertically... use this function to account for that. const popupCenter = ({url, title, w, h}) => { // Fixes dual-screen po...
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What is the motivation for bringing Symbols to ES6?

As you may know they are planning to include new Symbol primitive type in ECMAScript 6 (not to mention some other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate thi...
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Cross cutting concern example

...presenting single and specific functionality for primary requirements are known as core concerns. OR Primary functionlity of the system is knows as core concerns. For example: Business logic The concerns representing functionalities for secondary requirements are referred to as crosscutting concerns...
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Should I instantiate instance variables on declaration or in the constructor?

...'s discussable: if you initialise all your fields in the constructor, you know exactly that when you are reading the code, you have just one place where to search... – nbro May 8 '15 at 10:42 ...
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OAuth with Verification in .NET

...ny, there's a special name and it looks like a "standard" but as far as I know the only service that implements "OAuth 1.0a" is Twitter. I guess that's standard enough. ok, anyway in OAuth 1.0a, the way it works for desktop apps is this: You, the developer of the app, register the app and get a...
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Android Studio doesn't see device

... One M8 and I was able to debug on it last week. Something changed that is now causing Abdroid Studio to fail to see my phone as a viable debugging device. I tried it on another computer running Android Studio and it worked fine. So there must be some other setting or maybe even a driver someplace t...
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe

... relational table (STUDENT) with two columns and ID(int) and NAME(String). Now as ORM you would've made an entity class somewhat like as follows:- package com.kashyap.default; import java.io.Serializable; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.G...
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Get names of all files from a folder with Ruby

...havior. If you have a better answer, please post it. I have posted what I know, I am not a Ruby ninja. I regularly accept answers with the most votes. – Željko Filipin Nov 19 '09 at 10:42 ...
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Replace None with NaN in pandas dataframe

... pd.np.nan now gives FutureWarning: The pandas.np module is deprecated and will be removed from pandas in a future version. Import numpy directly instead. – Alex Povel Jun 22 at 17:14 ...
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Git submodule update

...March 2013: As mentioned in "git submodule tracking latest", a submodule now (git1.8.2) can track a branch. # add submodule to track master branch git submodule add -b master [URL to Git repo]; # update your submodule git submodule update --remote # or (with rebase) git submodule update --reb...