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Cron job every three days

... Run it every three days... 0 0 */3 * * How about that? If you want it to run on specific days of the month, like the 1st, 4th, 7th, etc... then you can just have a conditional in your script that checks for the current day of the month. if (((date('j') -...
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fatal error: Python.h: No such file or directory

... 2381 Looks like you haven't properly installed the header files and static libraries for python dev...
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How can I use Homebrew to install both Python 2 and 3 on Mac?

I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble. Right now I have 2.7 installed through Homebrew. ...
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Installing Bootstrap 3 on Rails App

I'm trying to install Bootstrap 3.0 on my Rails app. I recently finished Michael Hartl's tutorial and am now trying to build my own system using this new version of Bootstrap, but I have a few questions that I'm not sure about. ...
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How to convert a set to a list in python?

...;> <type 'list'> Do you want something like my_set = set([1,2,3,4]) my_list = list(my_set) print my_list >> [1, 2, 3, 4] EDIT : Output of your last comment >>> my_list = [1,2,3,4] >>> my_set = set(my_list) >>> my_new_list = list(my_set) >>> ...
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【HarmonyOS】编译、测试全流程 - HarmonyOS NEXT - 清泛IT社区,为创新赋能!

...ofile需Profile配置文件证书有效期自定义(建议25年+)1年1-3年(取决于类型) 二、准备工作:华为开发者账号 1. 访问 华为开发者联盟 注册账号 2. 完成实名认证(个人或企业) 3. 登录 AppGallery Connect (AGC) 控制台 对比项A...
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What are the differences between numpy arrays and matrices? Which one should I use?

... hashlash 49944 silver badges1313 bronze badges answered Apr 11 at 11:52 AksAks 27633 silver badges66 bronze...
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Python division

...1 or from __future__ import division, which the forces / to adopt Python 3.x's behavior that always returns a float. >>> from __future__ import division >>> (10 - 20) / (100 - 10) -0.1111111111111111 sh...
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Replacement for “rename” in dplyr

... dplyr version 0.3 added a new rename() function that works just like plyr::rename(). df <- rename(df, new_name = old_name) share | imp...
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Bootstrap 3 Collapse show state with Chevron icon

Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse , I have been able to show the state of collapse using chevron icons. ...