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Swift - class method which must be overridden by subclass
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As of Swift 2.0 there are now protocol extensions too :) Apple Reference.
– Ephemera
Sep 13 '15 at 9:25
4
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Haskell Type vs Data Constructor
...ith how binary trees work, just hang in there. You don't actually need to know how binary trees work, only that this one stores Strings in some way.
We also see that both data constructors take a String argument – this is the String they are going to store in the tree.
But! What if we also wante...
resizes wrong; appears to have unremovable `min-width: min-content`
... has the style min-width: -webkit-min-content;, just as I hypothesized. So now I only need to solve the problem in Firefox and possibly other browsers I haven’t tested in yet.
– Rory O'Kane
Jul 24 '13 at 1:42
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What is a race condition?
...read scheduling algorithm can swap between threads at any time, you don't know the order in which the threads will attempt to access the shared data. Therefore, the result of the change in data is dependent on the thread scheduling algorithm, i.e. both threads are "racing" to access/change the data....
Get Base64 encode file-data from Input Form
...at, but it's here if you want to take a look; it's pretty neat.
What I do now:
The code for converting to string from a Uint8Array is pretty simple (where buf is a Uint8Array):
function uint8ToString(buf) {
var i, length, out = '';
for (i = 0, length = buf.length; i < length; i += 1) {...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...y installed Java 6 and I am not able to locate JavaPreferences.app bcz mac now does not provide support for Java. Can tell me now how can I set my jvm without using JavaPreferences.
– amod
Feb 11 '13 at 6:41
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How to print from GitHub
...e it a fitting name.
Put that one line of code in the URL field.
If you now go to a Markdown page on Github and click the bookmark it will reformat the page and change the CSS so that it looks the same as on screen when you print. Now just print the page.
Bookmarklet contents:
javascript:(funct...
Can I create more than one repository for github pages?
...using custom domain names.
(since April 2013, all username.github.com are now username.github.io)
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Undefined reference to vtable
...ve functionA.
The definition for the above functionB.
Class C Contains: Now you're writing a Class C in which you are going to derive it from Class A.
Now if you try to compile you will get Undefined reference to vtable for Class C as error.
Reason:
functionA is defined as pure virtual and it...
Error handling with node.js streams
What's the correct way to handle errors with streams? I already know there's an 'error' event you can listen on, but I want to know some more details about arbitrarily complicated situations.
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