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How to specify a editor to open crontab file? “export EDITOR=vi” does not work
...Hat Enterprise Linux 5, and I want to set the vim editor to edit the crontab file.
8 Answers
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Sorting a tab delimited file
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Using bash, this will do the trick:
$ sort -t$'\t' -k3 -nr file.txt
Notice the dollar sign in front of the single-quoted string. You can read about
it in the ANSI-C Quoting sections of the bash man page.
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Where does the iPhone Simulator store its data?
I have a SQLite DB that I'm using to store app data, and I could do with taking a look inside it to debug a problem I'm having - but where does the iPhone Simulator store its data, typically?
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- how to allow only one item selected?
...s and I want to allow it to have only one option selected at the same time but user can hold CTRL key and select more items at once.
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Install .ipa to iPad with or without iTunes
I have the .ipa from PhoneGap build and I need to test it. I got provisioning profile from Developer account.
25 Answers
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Microsoft Web API: How do you do a Server.MapPath?
Since Microsoft Web API isn't MVC , you cannot do something like this:
7 Answers
7
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云数据及Firebase组件简介 · App Inventor 2 中文网
... var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
云数据及Firebase...
How to resize the iPhone/iPad Simulator?
... the real iPad screen) on my 23" Full-HD screen (and also on the 15" MacBook Pro ).
11 Answers
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App Inventor 2 中文网 · 项目指南
...且可实时测试。 Python是一种编程语言，广泛用于Web应用程序、软件开发、数据科学和机器学习(ML)。 C++是一种计算机高级程序设计语言，由C语言扩展升级而产生，诞生于贝尔实验室。 ...
How do I add options to a DropDownList using jQuery?
...html(text)
);
});
If you had lots of options, or this code needed to be run very frequently, then you should look into using a DocumentFragment instead of modifying the DOM many times unnecessarily. For only a handful of options, I'd say it's not worth it though.
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