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filter for complete cases in data.frame using dplyr (case-wise deletion)

...data.frame for complete cases using dplyr? complete.cases with a list of all variables works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame). ...
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Secure random token in Node.js

...oding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is ...
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Failed to Attach to Process ID Xcode

...-> In the each simulator version of iOS -> Applications -> Delete all the files present here. Now go to Products -> Clean Now run it on any simulator and it will work. Method 2 : share | ...
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Convert Mercurial project to Git [duplicate]

... solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this? ...
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Why is it not possible to extend annotations in Java?

...n types of arbitrary external programs. Stub generators, for example, fall into this category. These programs will read annotated classes without loading them into the virtual machine, but will load annotation interfaces. So, yes I guess, the reason is it just KISS. Anyway, it seems th...
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What is an OS kernel ? How does it differ from an operating system? [closed]

...ernel is an operating system in that sense. The end-user definition is usually something around "a software package that provides a desktop, shortcuts to applications, a web browser and a media player". A kernel doesn't match that definition. So for an end-user a Linux distribution (say Ubuntu) is...
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google chrome extension :: console.log() from background page?

If I call console.log('something'); from the popup page, or any script included off that it works fine. 11 Answers ...
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Set title background color

...stomTitleBar" android:theme="@style/customTheme" ... From the Activity (called CustomTitleBar) : @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); setContentView(R.layout.main); ...
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Get and Set a Single Cookie with Node.js HTTP Server

...console.log('Server running at http://127.0.0.1:8124/'); This will store all cookies into the cookies object, and you need to set cookies when you write the head. share | improve this answer ...
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can we use xpath with BeautifulSoup?

...thon2, but Python3 is much preferred as 2 is being sunset (no longer officially supported) in 2020. – wordsforthewise Sep 30 '19 at 18:59 ...