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How to update Ruby to 1.9.x on Mac?

...y Version Manager) is the Standard for upgrading your Ruby installation on OSX: https://rvm.io To get started, open a Terminal Window and issue the following command: \curl -L https://get.rvm.io | bash -s stable --ruby ( you will need to trust the RVM Dev Team that the command is not malicious ...
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Test if something is not undefined in JavaScript

...defined", instead of a useful message about an "un-caught exception @ line 123 of file xyz.js". Eventually a second developer will probably comment out the console.log() statement, making it more difficult for a 3rd developer to come in and fix a bug happening deep within doSomething(). ...
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How to increase heap size of an android application?

... work on Gingerbread and above. The only way to have as large a limit as possible is to do memory intensive tasks via the NDK, as the NDK does not impose memory limits like the SDK. Alternatively, you could only load the part of the model that is currently in view, and load the rest as you need it...
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How to send email attachments?

...ase explain how to send an attachment in an email. I know there are other posts online but as a Python beginner I find them hard to understand. ...
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站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...

...是非常不利的。 文章出自:免费资源部落 http://www.freehao123.com/ 站长 广告 联盟 违规分析
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How do I handle the window close event in Tkinter?

How do I handle the window close event (user clicking the 'X' button) in a Python Tkinter program? 6 Answers ...
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JavaScript validation for empty input field

... 123 <script type="text/javascript"> function validateForm() { var a = document.f...
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网

... 隐私策略和使用条款 技术支持 service@fun123.cn
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How to serialize an object into a string

...s pretty straighforward with JDBC. The problem with the second code you posted is the encoding. You should additionally encode the bytes to make sure none of them fails. If you still want to write it down into a String you can encode the bytes using java.util.Base64. Still you should use CLOB ...
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called

...when one of the dependencies(jar etc) in .m2 is corrupt. Deleting ~/.m2/repository rm -rf ~/.m2/repository and then mvn install resolved it for me. – ch4nd4n Jun 12 '18 at 12:16 4 ...