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Why is Scala's immutable Set not covariant in its type?
... the method works just like Set's. So there is nothing really stopping Set from being co-variant, except a design decision.
– Daniel C. Sobral
Jul 24 '09 at 2:44
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Rspec, Rails: how to test private methods of controllers?
... directly, they can and should be tested indirectly by exercising the code from public methods.
This allows you to change the internals of your code down the road without having to change your tests.
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How to use CURL via a proxy?
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I already solved it though. I'm sure others will benefit from this.
– coding_idiot
Sep 27 '13 at 19:03
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What are five things you hate about your favorite language? [closed]
...t imagine the fun of the NullPointerException being in a gigantic logfile from a nightly run and you need to figure out what happened... Debugging is not an option.
– Thorbjørn Ravn Andersen
Feb 21 '10 at 20:26
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Python __call__ special method practical example
...e to use the functions in a similar fashion to the hashlib.foo functions:
from filehash import sha1
print sha1('somefile.txt')
Of course I could have implemented it a different way, but in this case it seemed like a simple approach.
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What is non-blocking or asynchronous I/O in Node.js?
...ther hand, fetch is a non-blocking operation as it does not stall alert(3) from execution.
// Blocking: 1,... 2
alert(1);
var value = localStorage.getItem('foo');
alert(2);
// Non-blocking: 1, 3,... 2
alert(1);
fetch('example.com').then(() => alert(2));
alert(3);
Advantages
One advantage of ...
HTML code for an apostrophe
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Comment by Conexion from the edit I rejected: "If you are using HTML5, an apostrophe is defined in the spec as ' . If you are wanting a more backward-compatible code (' is not valid in HTML4), use: ’"
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Prevent segue in prepareForSegue method?
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Tried this in iOS 11.3 SDK from a storyboard segue and "shouldPerformSegueWithIdentifier" did get called automatically
– Menno
Feb 9 '18 at 10:23
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Difference between Visual Basic 6.0 and VBA
... your project. You'll also not be able to create COM DLLs with VBA.
Apart from that, there is a difference in the IDE - the VB 6.0 IDE is more powerful in comparison. On the other hand, you have tight integration of the host application in VBA. Application-global objects (like "ActiveDocument") and...
How large should my recv buffer be when calling recv in the socket library
...looping around if you don't have a complete message and stuffing the bytes from the next recv into the buffer following the partial message. You shouldn't use strstr() on the raw buffer filled by recv() - there's no guarantee that it contains a nul-terminator, so it might cause strstr() to crash.
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