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How to force use of overflow menu on devices with menu button
I'd like to have all of the menu items that don't fit into the ActionBar go into the overflow menu (the one that is reached from the Action Bar not the menu button) even on devices that do have a Menu button . This seems much more intuitive for users than throwing them into a separate menu list th...
KIO4_Gradient 拓展:布局中的颜色渐变 - App Inventor 2 中文网 - 清泛IT...
http://kio4.com/appinventor/287_extension_gradiente_color.htm
- 让我们看一下在布局中制作颜色渐变的扩展。- 我们放置一个布局,然后在该扩展的块中插入该布局的名称,放置一个包含所需颜色的列表,以及一个从 1 到 8 的数字,用于表示...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
__attribute____attribute__instructionsGNU C的一大特色(却不被初学者所知)就是__attribute__机制。__attribute__可以设置函数属性(Function Attribute)、变量属性(Variabl GNU C的一大特色(却不被初学者所知)就是__attribute__机制。__attribute__可...
jQuery selector regular expressions
...
James Padolsey created a wonderful filter that allows regex to be used for selection.
Say you have the following div:
<div class="asdf">
Padolsey's :regex filter can select it like so:
$("div:regex(class, .*sd.*)")
Also, check the official documentation on se...
Should I always use a parallel stream when possible?
... easy to iterate over collections as streams, and just as easy to use a parallel stream. Two examples from the docs , the second one using parallelStream:
...
Is there a performance difference between i++ and ++i in C++?
...
However, if i is an instance of a C++ class, then i++ and ++i are making calls to one of the operator++ functions. Here's a standard pair of these functions:
Foo& Foo::operator++() // called for ++i
{
this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) ...
Making the Android emulator run faster
...
Official web page
~50% faster
Windows:
Install "Intel x86 Emulator Accelerator (HAXM)" => SDK-Manager/Extras
Install "Intel x86 Atom System Images" => SDK-Manager/Android 2.3.3
Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_E...
What is the difference between `new Object()` and object literal notation?
...rly recognizable as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized out by the JavaScript engine) doing an unnecessary function call.
These
person = new Object() /*You should put a semicolon here too.
It's not required, but it is goo...
构建具有多个屏幕的应用程序 · App Inventor 2 中文网
...小、声音和图像占用的存储空间、网络连接的速度以及 Web 浏览器的配置。 但当你不断添加屏幕时,你会遇到一个或多个这些因素,而后果可能会非常令人不快。 这可能包括:
块编辑器运行越来越慢,
以及 App Inventor 无法...
How to use pull to refresh in Swift?
...lf.tableView.reloadData() and self.refreshControl?.endRefreshing() in the callback?
– Qian Chen
Dec 6 '15 at 19:58
Exa...
