data-conversion

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Translate integer to letters and vice versa (e.g. 0 = "A", 26 = "AA", 27 = "AB")

So I have this function: function toAlpha($data){ $alphabet =array(\'a\',\'b\',\'c\',\'d\',\'e\',\'f\',\'g\',\'h\',\'i\',\'j\',\'k\',\'l\',\'m\',\'n\',\'o\',\'p\',\'q\',\'r\',\'s\',\'t\',\'u\',\'v\',\[详细]

2023-04-11 03:57 分类：问答
How can I speed up loading data in Oracle tables?

I have some very large tables (to me anyway), as in millions of rows.I am loading them from a legacy system and it is taking forever.Assuming hardware is ok that is fast.How can I speed this up?I have[详细]

2023-04-10 07:17 分类：问答
How can I convert a Unix timestamp to DateTime and vice versa?

There is this example code, but then it starts talking about millisecond / nanosecond problems. The same q开发者_JAVA百科uestion is on MSDN, Seconds since the Unix epoch in C#.[详细]

2023-04-06 21:15 分类：问答
Convert String with Dot or Comma as decimal separator to number in JavaScript

An input element contains numbers a where comma or dot is used a开发者_开发百科s decimal separator and space may be used to group thousands like this:[详细]

2023-04-04 22:05 分类：问答
use type() information to cast values stored as strings

In my application I have generated a number of values (three columns, of type int, str and datetime, see example below) and these values are stored in a flat file as comma-separated strings. Furthermo[详细]

2023-04-04 18:17 分类：问答
strtoul Equivalent in C#

I\'m trying to read-in a bunch of unsigned integers from a configuration file into a class. These numbers may be specified in either base-10 (eg: 1234) or in base-16 (eg: 0xAB31). Therefore looking fo[详细]

2023-03-07 22:24 分类：问答
Javascript Converting IETF Date to ISO8601 Format

I am using this awesome jQuery calendar plugin http://arshaw.com/fullcalendar/ One of the options for clicking on a date is a callback function to return the date that is clicked on.[详细]

2023-02-19 14:46 分类：问答
Adding ogg vorbis encoding to my project

For my MFC application, I need to convert .wav data in an array into ogg vorbis format. I compiled both libogg and libvorbis as static libraries. I created \"bin\" directory in my project folder and[详细]

2023-02-15 13:20 分类：问答
How to do FLAC or mpeg with python

I\'m looking for python code that can convert .wav or other format to FLAC or mpeg. I hope there is one that doesn\'t depend on other binaries or libraries and just pure python so that it can run inde[详细]

2023-02-03 08:04 分类：问答
Take a multi-delimited string in MySQL and convert to multiple records

I am converting an old dataset into a newly structured data开发者_C百科base. Currently they have data in this format:[详细]

2023-01-31 00:18 分类：问答