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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...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...可以按照下面的第 1 部分加载提供的源文件 ScaleGestureDemo.aia 来构建演示源应用程序。 要构建应用程序，你需要使用位于 http://extension-test.appinventor.mit.edu 的 App Inventor 测试服务器。 你还需要使用与该实例对应的 AI Companion。 连接...
how does multiplication differ for NumPy Matrix vs Array classes?
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The main reason to avoid using the matrix class is that a) it's inherently 2-dimensional, and b) there's additional overhead compared to a "normal" numpy array. If all you're doing is linear algebra, then by all means, feel free t...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
... community wiki
Linus Unnebäck
4
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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...
In tmux can I resize a pane to an absolute value
...solute position, not making a relative adjustment.
– ændrük
Jan 20 '14 at 18:25
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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)))
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App Inventor 2 扩展开发实战：从Java小白到发布第一个.aix自定义插件 - Ap...
App Inventor 2 扩展开发实战：从Java小白到发布第一个.aix自定义插件
刚接触App Inventor 2时，大部分人会被它现成的组件库"惯坏"——想听歌有Player、想拍照有Camera、想存数据有TinyDB。但做着做着就发现，有些需求官方组件...
How can I specify a branch/tag when adding a Git submodule?
...] && \
git checkout master || git switch $branch' –
umläute refines dtmland's command with a simplified version in the comments:
git submodule foreach -q --recursive 'git switch $(git config -f $toplevel/.gitmodules submodule.$name.branch || echo master)'
multiple lines:
git su...