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PHP cURL HTTP CODE return 0
... code of 400, if you go directly to google.com, you will get 302 (and then 200 if you forward to the next page... well I do because it forwards to google.com.br, so you might not get that), and if you go to "googlecom" you will get a 0 (host no found), so with the last one, there is nobody to send a...
How to redirect to a 404 in Rails?
...he fact that this is not returning a true 404 - it's returning a status of 200 - "success". The original answer was closer, but attempted to render the layout as if no failure had occurred. This fixes everything:
render :text => 'Not Found', :status => '404'
Here's a typical test set of m...
Convenient C++ struct initialisation
I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct:
13 Answers
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Why does C++11 not support designated initializer lists as C99? [closed]
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C++ has constructors. If it makes sense to initialize just one member then that can be expressed in the program by implementing an appropriate constructor. This is the sort of abstraction C++ promotes.
On the other hand the ...
Is an entity body allowed for an HTTP DELETE request?
...oncurrency control.
You read version 1 of a record.
GET /some-resource/1
200 OK { id:1, status:"unimportant", version:1 }
Your colleague reads version 1 of the record.
GET /some-resource/1
200 OK { id:1, status:"unimportant", version:1 }
Your colleague changes the record and updates the datab...
What makes Scala's operator overloading “good”, but C++'s “bad”?
Operator overloading in C++ is considered by many to be A Bad Thing(tm), and a mistake not to be repeated in newer languages. Certainly, it was one feature specifically dropped when designing Java.
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Where can I learn how to write C code to speed up slow R functions? [closed]
...d examples to study and adapt.
But as Josh suspected, I lean more towards C++ and hence Rcpp. It also has plenty of examples.
Edit: There were two books I found helpful:
The first one is Venables and Ripley's "S Programming" even though it is getting long in the tooth (and there have been rumour...
C++: what regex library should I use? [closed]
I'm working on a commercial (not open source) C++ project that runs on a linux-based system. I need to do some regex within the C++ code. (I know: I now have 2 problems.)
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C++中静态变量初始化顺序 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++中静态变量初始化顺序C++中全局静态变量初始化顺序随机，是线程安全的；局部静态变量在函数调用时才初始化，非线程安全。1、C++中全局静态变量初始化顺序随机，是线程安全的，由C++标准提出，编译器实 C++中全局静态...
定位C++程序死锁的步骤及技巧（全网最干，没有之一） - C/C++ - 清泛网 - ...
定位C++程序死锁的步骤及技巧（全网最干，没有之一）locating_cpp_deadlock本文系统全面介绍C++程序发生死锁的原因，以及如何定位到具体的代码行。（持续更新，欢迎讨论补充，有任何问题或需要指导的欢迎扫描页面右侧二维码添...