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Difference between @import and link in CSS
...
The <link> directive can allow for multiple css be loaded and interpreted asyncronously.
the @import directive forces the browser* to wait until the imported script is loaded inline to the parent script before it can be correctly processed by it's engine, since t...
TCP loopback connection vs Unix Domain Socket performance
... the overhead of TCP (congestion control, flow control, stream management (IP packet ordering, retransmission, etc) ). Unix domain sockets do not do any of the above because it was designed from the ground up to be ran locally, meaning no congestion issues, no speed differences between server/client...
ADB Shell Input Events
...t; Developer Options > Check the option POINTER SLOCATION
..
Swipe X1 Y1 X2 Y2 [duration(ms)]:
adb shell input swipe 100 500 100 1450 100
in this example X1=100, Y1=500, X2=100, Y2=1450, Duration = 100ms
..
LongPress X Y:
adb shell input swipe 100 500 100 500 250
...
nginx server_name wildcard or catch-all
...ich serves several websites. The first is a status message on the server's IP address. The second is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list th...
Java JDBC - How to connect to Oracle using Service Name instead of SID
...lso specify the TNS name in the JDBC URL as below:
jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS_LIST =(ADDRESS =(PROTOCOL=TCP)(HOST=blah.example.com)(PORT=1521)))(CONNECT_DATA=(SID=BLAHSID)(GLOBAL_NAME=BLAHSID.WORLD)(SERVER=DEDICATED)))
...
Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
...放器悬浮控制
3. 视频播放悬浮窗
4. 快捷工具悬浮窗
5. 通知悬浮窗
6. 组件重叠布局
使用说明
基本使用步骤
重要提示
性能优化建议
技...
How to give System property to my test via Gradle and -D
...e property by passing it with it -P:
test {
systemProperty "cassandra.ip", project.getProperty("cassandra.ip")
}
or alternatively, if you are passing it in via -D
test {
systemProperty "cassandra.ip", System.getProperty("cassandra.ip")
}
...
How do I find where an exception was thrown in C++?
...ntext;
// Get the address at the time the signal was raised from the EIP (x86)
void * caller_address = (void *) uc->uc_mcontext.eip;
std::cerr << "signal " << sig_num
<< " (" << strsignal(sig_num) << "), address is "
&l...
O2O江湖:2015大洗牌 2016 BAT等巨头将“肉搏” - 资讯 - 清泛网 - 专注C/C++及内核技术
...商家。
我此前的文章曾经分析过——支付宝越来越向“工具化”靠拢，但工具最大的问题在于用户粘性太低，因此你看到支付宝或者说整个阿里在社交上总怀揣梦想。
如今支付宝正努力将口碑的O2O业务与其融合，也是一样的...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...m
Choose an FQDN and include it both in your /etc/hosts file on both the IPv4 and IPv6 addresses you are using (in your case, localhost or 127.0.0.1), and change your ServerName in your httpd configuration to match.
/etc/hosts:
127.0.0.1 localhost.localdomain localhost host.server4-245.com
::...