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What are the Ruby Gotchas a newbie should be warned about? [closed]
...
Wikipedia Ruby gotchas
From the article:
Names which begin with a capital letter are treated as constants, so local variables should begin with a lowercase letter.
The characters $ and @ do not indicate variable data type as ...
How to write a scalable Tcp/Ip based server
...design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
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Difference between @import and link in CSS
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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
...
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...
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...
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...
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)))
...
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")
}
...