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How to pass a URI to an intent?
...
you can store the uri as string
intent.putExtra("imageUri", imageUri.toString());
and then just convert the string back to uri like this
Uri myUri = Uri.parse(extras.getString("imageUri"));
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STL中map容器使用自定义key类型报错详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...象进行了大小比较，但是我们自定义的key类型a并没有对<操作符进行重载，于是报错。
那么map容器和less有什么关系呢，我们的代码怎么回链接到这里了？
看看map的模板定义就知道了：
template<class _Kty,
class _Ty,
class _...
Label Alignment in iOS 6 - UITextAlignment deprecated
Seems like UITextAlignmentCenter is deprecated in iOS 6.
11 Answers
11
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Python's time.clock() vs. time.time() accuracy?
...eryPerformanceCounter(). The resolution is typically
better than one microsecond.
Additionally, there is the timeit module for benchmarking code snippets.
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Is Java really slow?
...rs use primitive collections and especially Javalution's libraries, where possible.
String operations are a bit slow. Java uses immutable, UTF-16-encoded string objects. This means you need more memory, more memory access, and some operations are more complex than with ASCII (C, C++). At the time, i...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
..._time/posix_time/posix_time.hpp>
asio的异步函数会在一个异步操作完成后被回调.这里我们定义了一个将被回调的函数.
void print(const asio::error& /*e*/)
{
std::cout << "Hello, world! ";
}
int main()
{
asio::io_service io;
asio::deadline_timer t...
glob exclude pattern
...slow again. But in any case, really handy.
– Anastasios Andronidis
Feb 3 '14 at 18:56
Your operating system should cac...
JFrame in full screen Java
...n full-screen), check these answers.
How can I do full screen in Java on OSX
Java setFullScreenWindow() keep on top
The classes java.awt.GraphicsEnvironment and java.awt.GraphicsDevice are used for put an app in full-screen mode on the one screen (the dispositive).
e.g.:
static GraphicsDevice ...
How do I resize an image using PIL and maintain its aspect ratio?
...humbnail.
Below is an (edited) example from the PIL documentation.
import os, sys
import Image
size = 128, 128
for infile in sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + ".thumbnail"
if infile != outfile:
try:
im = Image.open(infile)
im.thumbnail(s...
为何谷歌不可复制？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...网产品公司——它拥有搜索、浏览器、邮箱产品以及移动操作系统安卓……
但在所谓新「谷歌」Alphabet的架构下，谷歌向世人展示了自己的“另一面”，比如研究延长人类寿命的子公司Calico、提供高速光纤网络的谷歌Fiber、专注...