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Change the name of a key in dictionary
...dictionary comprehension:
This is an example I encountered while reading a CSV using a DictReader. The user had suffixed all the column names with ':'
ori_dict = {'key1:' : 1, 'key2:' : 2, 'key3:' : 3}
to get rid of the trailing ':' in the keys:
corrected_dict = { k.replace(':', ''): v for k, v i...
Removing duplicate values from a PowerShell array
... duplicate. Typically I have to Remove Duplicates manually from the final CSV output in Excel to finish the report, but sometimes I would like to continue working with said data within Powershell after removing the duplicates.
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两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...，还是可以在这里打开应用，用户可以通过 Stacks 来打开文件或者文件夹。Mission Control 方便你查看当前打开哪些应用和文档，并在他们之间切换。Spaces 支持用户切换全屏运行的应用，创建或切换到另外的桌面。
Windows 1...
Submit HTML form on self page
...still important today - you can take any model you want, be it JSON, text, csv, write a simple transformer from that format to XML, write a DTD for that XML, and bam, you skip needing to write your own validator, XML already did that!
– Dmitry
Jun 19 '18 at 15:...
Split string into an array in Bash
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@YisraelDov: Bash has no way to deal with CSV by itself. It can't tell the difference between commas inside quotes and those outside them. You will need to use a tool that understands CSV such as a lib in a higher level language, for example the csv module in Python....
Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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%% - 文字上的 `%' 字符。
而在smarty模板中，如$time是php文件中assign过来的时间戳，在模板文件中写法为：
<{$time|date_format:'%Y-%m-%d %H:%M:%S'}> ，同样对应的输出格式为：“年-月-日 时：分：秒”。
例子：
<?php
//导入自定义...
The cause of “bad magic number” error when loading a workspace and how to avoid it?
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So did I, when I accidentally used load() instead of read.csv(). :p
– Waldir Leoncio
Feb 12 '14 at 19:31
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Ruby: What is the easiest way to remove the first element from an array?
...eful when extracting info without an aditional step header, *properties = CSV.read(file_path,encoding: 'ISO-8859-1')
– juliangonzalez
Feb 15 '17 at 17:23
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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为什么要用线程池？
诸如 Web 服务器、数据库服务器、文件服务器或邮件服务器之类的许多服务器应用程序都面向处理来自某些远程来源的大量短小的任务。请求以某种方式到达服务器，这种方式可能是通过网络协议（例如 HT...
新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术
...刚开始编程的时候，对于计算机我有很多不明白的地方。文件系统，网络连接以及内存机制就是三个明显的例子。不了解这些，意味着我可能会不知道一些我想要呈现的编程结构的目标。”
2、知道命令行工具
作为一个开发人...