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How to specialize std::hash::operator() for user-defined type in unordered containers?
..._set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
3...
Composer: how can I install another dependency without updating old ones?
... (> or * chars after the colons) found in composer.json! This can be avoided by using composer update vendor/package, but I wouldn't recommend making a habit of it, as you're one forgotten argument away from a potentially broken project…
Keep things sane and stick with composer require vendor/...
Find XOR of all numbers in a given range
...e every 4. So, that's how to arrive at that little lookup table.
Now, consider for a general range of [a,b]. We can use f() to find the XOR for [0,a-1] and [0,b]. Since any value XOR'd with itself is zero, the f(a-1) just cancels out all the values in the XOR run less than a, leaving you with the X...
How to link godaddy domain with AWS Elastic Beanstalk environment?
... be with GoDaddy, but handling requests for your site will be on Amazon's side.
Here is what you need to do:
Create a new Hosted Zone for your site in Route 53 console:
Open newly added domain name, find NS record and copy servers:
In GoDaddy's Domain Manager export records via "Export Zone Fil...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...tion types can be particularly tricky, because sometimes they need to be bridged across to matching Objective-C objects, and vice versa. This means that control needs to be transferred back and forth from ARC when bridging between CF types and Objective-C. Some keywords related to this bridging hav...
Emacs mode for Stack Overflow's markdown
...ven better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatting options supported by the markdown syntax used in the Stack Overflow question/comment buffers.
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Unable to type in Visual Studio
...r projects are just local ones on the machine. I have restarted Visual Stuido, restarted the computer and still am unable to edit the files. Any ideas?
...
Microsoft Roslyn vs. CodeDom
...o support designers (a la WinForms). Because CodeDom was an attempt at providing a unified model that can generate code in C#, VB, and other languages, it lacks high fidelity with any of the languages that it supports (that's why you can't create a switch statement with CodeDom). CSharpCodeProvider....
Plotting time in Python with Matplotlib
...onversion. Re. the formatting of chart labels, see the date_demo1 link provided by J. K. Seppänen. The matplot lib documentation is excellent, BTW. matplotlib.sourceforge.net/index.html
– codeape
Oct 19 '09 at 13:53
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What's the difference between using CGFloat and float?
...t, including the kernel and user applications. Apple's 64-bit Transition Guide for Cocoa is a useful resource.
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