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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
... resource is anything that needs cleanup after use. Studies of projects across many platforms show the majority of bugs are related to resource management - and it's particularly bad on Windows (due to the many types of objects and allocators).
In C++, resource management is particularly complicate...
Why do people say there is modulo bias when using a random number generator?
...asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++.
...
Is Haxe worth learning? [closed]
...e to switch constantly, often multiple times in the same business day.
Those switches can waste a lot of your time because you need to change your programming paradigm too many times and possibly because you will have a lot of overlaps in coding your libraries for specific targets. Haxe tries to e...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...rtner预测，到2016年，25%的全球大型企业将部署大数据分析系统；到2015年，圈球大数据人才需求将达到440万人；调查结果表明，全球64%的企业已经开始向大数据项目注资，或者打算在2015年6月之前将计划付诸实践。
大数据创业，...
How to explain callbacks in plain english? How are they different from calling one function from ano
...
@JoSmo you are partly correct. Pass a variable + call-back-function as parameters taking the result created with the variable by the original function and pass it in the call-back-function for further processing. example: func1...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...though there's a bit of death by too much information here. I learned the most just focusing on this article: blog.notdot.net/2010/07/Getting-unicode-right-in-Python
– mbb
Nov 20 '12 at 22:19
...
REST API Token-based Authentication
...to include a random component ("nonce") in the URL.
url = username:key@myhost.com/api/call/nonce
If that is not possible, and the transmitted information is not secret, I recommend securing the request with a hash, as you suggested in the token approach. Since the hash provides the security, you ...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...eturn;
// Apple recommends to refresh the receipt if validation fails on iOS
[[RMStore defaultStore] refreshReceiptOnSuccess:^{
RMAppReceipt *receipt = [RMAppReceipt bundleReceipt];
[self verifyTransaction:transaction inReceipt:receipt success:successBlock failure:failureBlock];
} failure:^...
What does “dereferencing” a pointer mean?
...iable that is a pointer to a structure with data members, you can access those members using the -> dereferencing operator:
typedef struct X { int i_; double d_; } X;
X x;
X* p = &x;
p->d_ = 3.14159; // Dereference and access data member x.d_
(*p).d_ *= -1; // Another equivalent notat...
How do I uniquely identify computers visiting my web site?
...on that they will transmit to websites upon request. We
implemented one possible fingerprinting algorithm, and collected these
fingerprints from a large sample of browsers that visited our test side,
panopticlick.eff.org. We observe that the distribution of our finger-
print contains at l...