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How do I pass a unique_ptr argument to a constructor or a function?
... move anything; it's just a fancy cast. std::move(nextBase) returns a Base&& that is an r-value reference to nextBase. That's all it does.
Because Base::Base(std::unique_ptr<Base> n) takes its argument by value rather than by r-value reference, C++ will automatically construct a tempo...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...IT License.*/(function(m){if(!(/iPhone|iPad|iPod/.test(navigator.platform)&&navigator.userAgent.indexOf("AppleWebKit")>-1)){return}var l=m.document;if(!l.querySelector){return}var n=l.querySelector("meta[name=viewport]"),a=n&&n.getAttribute("content"),k=a+",maximum-scale=1",d=a+",...
App Inventor 2 向心力实验App - 探究向心力F与角速度ω、半径r、质量m的关...
一、实验背景
向心力公式：F = m · r · ω²
即：向心力 = 质量 × 半径 × 角速度²
高中物理新课标要求学生通过实验探究向心力，但现有实验器材（手摇向心力演示仪）操作不便、精度低。本App利用手机内置传感器，实现...
Understanding the difference between __getattr__ and __getattribute__
...oesn't explicitly manage and do that via __getattr__ method.
Python will call this method whenever you request an attribute that hasn't already been defined, so you can define what to do with it.
A classic use case:
class A(dict):
def __getattr__(self, name):
return self[name]
a = A()...
What does -> mean in Python function definitions?
...tly noticed something interesting when looking at Python 3.3 grammar specification :
7 Answers
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Is PHP compiled or interpreted?
Is PHP compiled or interpreted?
9 Answers
9
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How to copy files from 'assets' folder to sdcard?
...
File dir = new File(fullPath);
if (!dir.exists() && !path.startsWith("images") && !path.startsWith("sounds") && !path.startsWith("webkit"))
if (!dir.mkdirs())
Log.i("tag", "could not create dir "+fullPath);
...
Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
12 Answers
12
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PHP “pretty print” json_encode [duplicate]
...a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it. Problem is that the client wants to be able to open these JSON files for readability, so I'd like to add line breaks in an...
Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]
...iled + installer version of the official OpenSSL that is free to download & use). This distribution is "semi-officially" linked from OpenSSL's site as a "service primarily for operating systems where there are no pre-compiled OpenSSL packages".
...