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【解决】模拟器启动失败：ERROR: x86_64 emulation currently requires har...
...cceleration status: Hill is not installed on this machine
解决方法：
安装硬件加速器，路径：
....\resources\app.asar.unpacked\Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager
在线版下载后的目录是：Emulator\from-Android-SDK\extras\intel\Hard...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...都获得了自己可以使用的地址空间，可以访问比您物理上安装的内存更多的内存。
在 32-位 x86 系统上，每一个进程可以访问 4 GB 内存。现在，大部分人的系统上并没有 4 GB 内存， 即使您将 swap 也算上， 每个进程所使用的内存...
How to set different label for launcher rather than activity title?
.... HTC's launcher ignores the label tag of the intent. :-( How stupid! Asus Eee Pad with Honeycomb does also NOT adhere to that label.
– Zordid
Sep 4 '11 at 16:47
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...换时间1) 多级缓存，静态化客户端页面缓存（http header中包含Expires Cache of Control，last modified(304，...一、 设计理念
1. 空间换时间
1) 多级缓存，静态化
客户端页面缓存（http header中包含Expires/Cache of Control，last modified(304，server...
Android, How can I Convert String to Date?
...ng args[])
{
SimpleDateFormat formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy");
String dateInString = "Wed Mar 14 15:30:00 EET 2018";
SimpleDateFormat formatterOut = new SimpleDateFormat("dd MMM yyyy");
try {
Date date = formatter.parse(dateInStri...
PHP function to make slug (URL string)
...ange characters ééé A X Z" becomes "title-with-strange-characters-eee-a-x-z".
/**
* Function used to create a slug associated to an "ugly" string.
*
* @param string $string the string to transform.
*
* @return string the resulting slug.
*/
public static function createSlug($string) ...
浅谈HTML5 & CSS3的新交互特性 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个角不是圆角。
4. @font-face
当网页显示某种用户没有安装的字体时，CSS3提供的@font-face功能会自动的、默默地帮用户从网络上下载相应字体。从而让设计师更加自由的发挥，而不用考虑用户的机器是否安装了相应字体。
5. 其...
How to parse a CSV file using PHP [duplicate]
... This didn't work correctly for me. For example, this: aaa,bbb,"ccc\nddd",eee was parsed into two lines (instead of the desired one line) instead of one. It seems that " is not recognized as enclosure when it appears inside the field (rather than in its beginning or end). So $data = str_getcsv(..) ...
Can I have an onclick effect in CSS?
...hadow: 1px 1px 1px #000;
background-image: linear-gradient(to bottom, #eee, #ddd);
}
.btn:hover {
background-image: linear-gradient(to top, #adf, #8bf);
}
.btn:active {
margin: 1px 1px 0;
box-shadow: -1px -1px 1px #000;
}
#btnControl {
display: block;
visibility: hidden;
}...
How can I get a user's media from Instagram without authenticating as a user?
...lock;
width: 25%;
height: 0;
padding-bottom: 25%;
background: #eee 50% 50% no-repeat;
background-size: cover;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
You can download any Instagram user photo feed in JSON format u...