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What does collation mean?
...need to be sorted as if they were different letters - e.g. e,ë,é,ě, and è might be distinct letters for the purposes of ordering (but possibly the same letter when searching, damn those crazy Europeans ;)).
– Piskvor left the building
Dec 27 '10 at 12:59
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How to export table as CSV with headings on Postgresql?
I'm trying to export a PostgreSQL table with headings to a CSV file via command line, however I get it to export to CSV file, but without headings.
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多媒体组件 · App Inventor 2 中文网
...持的国家
此设备上可用于 语音识别器 的国家/地区代码列表。参考 Android 开发文档以查找这些支持国家缩写的含义。
支持的语言
此设备上可用于 语音识别器 的语言列表。参考 Android 开发文档以查找这些支持语言缩写的含...
Bad arguments to +：The operation + cannot accept the arguments:, [&qu...
...给数字 0。
同理，空文本不但不能转数字，也不能转列表、字典等数据类型，否则都会发生异常，弹窗报错！
How do I read CSV data into a record array in NumPy?
I wonder if there is a direct way to import the contents of a CSV file into a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
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Split a string by a delimiter in python
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You may be interested in the csv module, which is designed for comma-separated files but can be easily modified to use a custom delimiter.
import csv
csv.register_dialect( "myDialect", delimiter = "__", <other-options> )
lines = [ "MATCHES__STRING...
What is the best collation to use for MySQL with PHP? [closed]
I'm wondering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
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Dump a mysql database to a plaintext (CSV) backup from the command line
...p since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to ...
Unicode equivalents for \w and \b in Java regular expressions?
... underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
3 Answers
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Drop unused factor levels in a subsetted data frame
...rwards. Try the following before loading your data with read.table or read.csv:
options(stringsAsFactors = FALSE)
The disadvantage is that you're restricted to alphabetical ordering. (reorder is your friend for plots)
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