substring

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extracting strings from mysql field

total slow moment day, i need to extract differe开发者_如何学Pythonnt areas based on what language is selected from a field in a mysql database[详细]

2023-03-22 20:42 分类：问答
If strings are immutable in .NET, then why does Substring take O(n) time?

Given that strings are immutable in .NET, I\'m wonde开发者_StackOverflowring why they have been designed such that string.Substring() takes O(substring.Length) time, instead of O(1)?[详细]

2023-03-21 19:51 分类：问答
How to work with string?

I have a string with emails (name, surname, email): @emails = \"Nina Beeu luda@hotmail.com, Vasilina Korute valaj@kos.co.uk, Hikote Ewefs valaj@kos.co.uk,[详细]

2023-03-20 20:49 分类：问答
SQL query to replace a substring

I wish to write a query which will replace the value0.00 with \"-\" in a column. The value shouldonly be replaced if the value is 0.00 and not i开发者_运维知识库f 230.00[详细]

2023-03-20 16:58 分类：问答
Getting specific Substring from a large string

<emp> <name>Jhon</name> <sal>2000</sal> </emp> I will get this xml as string.I need to generate an xml fi开发者_运维知识库le from the string and i need to name th[详细]

2023-03-20 13:59 分类：问答
how to remove chars into a string?

I have a lot of strings, and I need to delete \'0\' at start of string, but what is the better way to do it, because this is an example of strings:[详细]

2023-03-20 03:03 分类：问答
How to extract strings wrapped in HTML from a column in an SQL table into a new table?

I have a column on an SQL Server 2005 table called BIO - the data in the BIO column is formatted like this:[详细]

2023-03-19 23:34 分类：问答
String truncate on length, but no chopping up of words allowed

I want to limit a string field length in MYSQL on a certain length, but I don\'t want any chopping up of words to occur.[详细]

2023-03-19 22:43 分类：问答
Why do rfind and find return the same values in Python 2.6.5?

I\'m relatively new to Python, and something is acting up.Basically, when I call str.rfind(\"test\") on a string, the output is the same as str.find(\"test\").It\'s best that I show you an example:[详细]

2023-03-19 17:23 分类：问答
substring issue/question

So I have this simple PHP loop that is generating html table data with UPC code numbers (I have 129 total) and the UPC barcode images next to them.[详细]

2023-03-19 16:14 分类：问答