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What is the difference between an abstract function and a virtual function?
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Coming from Java, I was a bit perplexed why we need to make it virtual at all, until I read this: stackoverflow.com/a/1062126/193634
– Rosdi Kasim
Apr 17 '13 at 7:18
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How to create an HTTPS server in Node.js?
...v0.3.1. server.setSecure() is removed in newer versions of node.
Directly from that source:
const crypto = require('crypto'),
fs = require("fs"),
http = require("http");
var privateKey = fs.readFileSync('privatekey.pem').toString();
var certificate = fs.readFileSync('certificate.pem').toStrin...
delete a.x vs a.x = undefined
...rty in the chained prototypes http://jsfiddle.net/NEEw4/1/
var obj = {x: "fromPrototype"};
var extended = Object.create(obj);
extended.x = "overriding";
console.log(extended.x); // overriding
extended.x = undefined;
console.log(extended.x); // undefined
delete extended.x;
console.log(extended.x); ...
“fatal: Not a git repository (or any of the parent directories)” from git status
...ting the error just trying to clone a repo to my local machine. I switched FROM using https:// TO git:// and it was successfully cloned. Thx for pointing me in the right direction.
– Scott Wade
Jun 27 at 17:55
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Where to place $PATH variable assertions in zsh?
...thon, node etc additions to my $PATH?
Generally, I would export my $PATH from ~/.zshrc, but it's worth having a read of the zshall man page, specifically the "STARTUP/SHUTDOWN FILES" section - ~/.zshrc is read for interactive shells, which may or may not suit your needs - if you want the $PATH for...
System.Timers.Timer vs System.Threading.Timer
...ill, by default, call your timer event handler on a worker thread obtained from the common language runtime (CLR) thread pool. [...] The System.Timers.Timer class provides an easy way to deal with this dilemma—it exposes a public SynchronizingObject property. Setting this property to an instance o...
The static keyword and its various uses in C++
...e scope (i.e. outside of functions and classes), then it can't be accessed from any other translation unit. This is known as "internal linkage" or "static storage duration". (Don't do this in headers except for constexpr. Anything else, and you end up with a separate variable in each translation un...
How to fix 'sudo: no tty present and no askpass program specified' error?
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jenkins is just a user name? It must be user name of user from host machine? What if user name on host machine matches user name from remote server?
– mrgloom
May 2 '17 at 14:28
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Reload activity in Android
...imply use
finish();
startActivity(getIntent());
to refresh an Activity from within itself.
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How to perform better document version control on Excel files and SQL schema files
...p directories of XML files (See How to properly assemble a valid xlsx file from its internal sub-components?). Git will view them as binary unless decompressed. It is possible to unzip the .xlsx and track the changes to the individual XML files inside of the archive.
You could also do this with .xl...