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What is a mixin, and why are they useful?
...rMixin, Parent): pass and class NewChildN(NewBehaviorMixin, ChildN): pass, etc. (PS: Do you know a better way?)
– RayLuo
Oct 18 '16 at 0:57
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Deleting elements from std::set while iterating
... depending on your compiler, your operating system, the phase of the moon, etc.
If something executes without crashing and behaves as you expect it to, that is not proof that it is not undefined behavior. All it proves is that its behavior happened to be as observed for that particular run after co...
What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
...gine that you'd have to create a whole car around it with steering, brakes etc... Car manufacturers produce completed cars, with a friendly interface (pedals, steering wheel etc.) so you don't have to do it all yourself.
sha...
Should I always return IEnumerable instead of IList?
...nderlying collection without fearing this will get it erroneously changed, etc?
Only you can answer this question, and only by understanding well what your callers will want to do with the return value, and how important performance is here (how big are the collections you would be copying, how lik...
What does enumerable mean?
..., "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", /* etc. */]
Each of these properties still exists on the object:
console.log('constructor' in foo); // true
console.log('toString' in foo); // true
// etc.
But, they're skipped by the for..in loop because they aren't enu...
.gitignore for Visual Studio Projects and Solutions
...ich allow you to generate .gitignore file based on your OS, IDE, language, etc. Take a look at http://www.gitignore.io/.
On 8/20/2014, here's the file that is generated for Visual Studio + Windows.
# Created by http://www.gitignore.io
### VisualStudio ###
## Ignore Visual Studio temporary files...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...ead. Most of the time you're waiting for a long running process to finish fetching/manipulating data and then you can process it in the background right in your completion block and then only stick UI calls into a dispatch block on the main queue. Plus it's always good to follow what Apple sets in t...
T-SQL split string
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All the other methods to split string like XML, Tally table, while loop, etc.. has been blown away by this STRING_SPLIT function.
Here is an excellent article with performance comparison : Performance Surprises and Assumptions : STRING_SPLIT
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Swift: #warning equivalent
...eminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted it too!
– David H
Nov 17 '14 at 16:42
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How to redirect to a 404 in Rails?
...oach also lets you use the ActiveRecord bang finders (find!, find_by_...!, etc.), which all raise an ActiveRecord::RecordNotFound exception if no record is found (triggering the rescue_from handler).
– gjvis
Jun 18 '12 at 17:59
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