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...= new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYea...
Generating Guids in Ruby
...s guaranteed to be unique you will need to use something that includes the MAC address, timestamp, and et cetera.
– Mike Dotterer
Oct 1 '12 at 15:58
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In PyCharm, how to go back to last location?
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In mac OS X (atleast in El Capitan) it is by default cmd + [
to go back to the previous location.
update: if that doesn't work also try option+cmd+left arrow
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Eclipse: enable assertions
... menu Window (if you are on Windows), or go to menu Eclipse (if you are on Mac). For Linux it might be something similar.
Go to Preferences.
Choose Java, and then Installed JREs from the left panel.
Select your JRE, and then click the Edit... button in the right panel.
In the Default VM arguments ...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...TCP协议不推荐使用的，在某些情况下这个操作可能会带来错误。
5、SYN_SENT状态
SYN_SENT状态表示请求连接，当你要访问其它的计算机的服务时首先要发个同步信号给该端口，此时状态为SYN_SENT，如果连接成功了就变为 ESTABLISHED，...
Push existing project into Github
... I expect people to understand the commands that they're typing into their machine.
– brice
Nov 16 '16 at 11:57
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shortcut in Android Studio to locate the current editing src file
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For Mac users: Option+fn+F1, then Enter.
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How enable auto-format code for Intellij IDEA?
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For Windows : Ctrl + Alt + L
For Ubuntu : Ctrl + Alt + Windows + L
For Mac : ⌥ (Option) + ⌘ (Command) + L
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Installing R with Homebrew
... a lot of compilation time.
This answer will also work for El Capitan and Mac OS Sierra.
In case you don't have XCode Command Line Tools (CLT), run from terminal:
xcode-select --install
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Eclipse comment/uncomment shortcut?
...hift + / after selecting the lines you want to comment in java editor.
On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.
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