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Difference between static class and singleton pattern?
...e Foo, and you have a method taking a Foo as a parameter. With that setup, callers can choose to use the singleton as the implementation - or they could use a different implementation. The method is decoupled from the singleton. Compare that with the situation where the class just has static methods...
How do I check if a string is unicode or ascii?
...hon 3, str is like Python 2's unicode, and is used to
store text. What was called str in Python 2 is called bytes in Python 3.
How to tell if a byte string is valid utf-8 or ascii
You can call decode. If it raises a UnicodeDecodeError exception, it wasn't valid.
>>> u_umlaut = b'\xc3\...
What's the meaning of interface{}?
...plement at least zero methods, and satisfying an interface is done automatically, all types satisfy the empty interface.
That means that if you write a function that takes an interface{} value as a parameter, you can supply that function with any value.
(That is what Msg represents in your quest...
How to turn IDENTITY_INSERT on and off using SQL Server 2008?
Why am I getting an error doing an insert when IDENTITY_INSERT is set to OFF?
8 Answers
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Starting python debugger automatically on error
...on and quick description of the error and exits. Is it possible to automatically start pdb when an error is encountered? I am not against having an extra import statement at the top of the file, nor a few extra lines of code.
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Go Error Handling Techniques [closed]
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@dystroy: OK, some say "it sux", others call it "errors are handled in return values. 70′s style.", and so on ;-)
– zzzz
Jun 6 '13 at 13:54
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Deserializing a JSON into a JavaScript object
...tpRequest,
communication is permitted only to the same origin that
provide that page, so it is trusted.
But it might not be competent.
If the server is not rigorous in its JSON encoding,
or if it does not scrupulously validate all of its inputs,
then it could deliver invalid JSON text th...
How do you get a directory listing sorted by creation date in python?
...n you've link is wrong: it doesn't filter regular files. Note: my solution calls stat once per dir.entry.
– jfs
Jul 23 '15 at 14:43
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When should I use C++14 automatic return type deduction?
...asurements. To the small extent that anyone ever comes up with any statistically significant and generally-applicable results, they are completely ignored by working programmers, in favour of the author's instincts of what is "readable".
...
iOS start Background Thread
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Yes. Per the Apple docs, calling performSelectorInBackground:withObject: "is the same as if you called the detachNewThreadSelector:toTarget:withObject: method of NSThread with the current object, selector, and parameter object as parameters."
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