大约有 30,000 项符合查询结果(耗时:0.0347秒) [XML]

https://stackoverflow.com/ques... 

How should I escape commas and speech marks in CSV files so they work in Excel?

... rules. If the value contains a comma, newline or double quote, then the String value should be returned enclosed in double quotes. Any double quote characters in the value should be escaped with another double quote. If the value does not contain a comma, newline or double quote, then the String ...
https://stackoverflow.com/ques... 

Return 0 if field is null in MySQL

...) returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Difference between ref and out parameters in .NET [duplicate]

...nction. It's like if you could write this: // This is not C# public (bool, string) GetWebThing(string name, ref Buffer paramBuffer); // This is C# public bool GetWebThing(string name, ref Buffer paramBuffer, out string actualUrl); Here's a more detailed list of the effects of each alternative: Bef...
https://stackoverflow.com/ques... 

How to securely save username/password (local)?

...sh of password as a salt when deriving encryption key and IV from password string? for an example and discussion for .Net or String encrypt / decrypt with password c# Metro Style for WinRT/Metro. If you are storing the password for reuse, such as supplying it to a third party, use the Windows Data ...
https://stackoverflow.com/ques... 

Good Hash Function for Strings

I'm trying to think up a good hash function for strings. And I was thinking it might be a good idea to sum up the unicode values for the first five characters in the string (assuming it has five, otherwise stop where it ends). Would that be a good idea, or is it a bad one? ...
https://stackoverflow.com/ques... 

How to remove elements from a generic list while iterating over it?

...ist allows you to do a Remove(item) on your generic List: List<String> strings = new List<string>() { "a", "b", "c", "d" }; foreach (string s in strings.ToArray()) { if (s == "b") strings.Remove(s); } ...
https://stackoverflow.com/ques... 

Convert an enum to List

How do I convert the following Enum to a List of strings? 2 Answers 2 ...
https://stackoverflow.com/ques... 

Limit text length to n lines using CSS

... var max = 200; var tot, str; $('.text').each(function() { str = String($(this).html()); tot = str.length; str = (tot <= max) ? str : str.substring(0,(max + 1))+"..."; $(this).html(str); }); },500); // Delayed for example only. .text { position: relati...
https://stackoverflow.com/ques... 

Difference between path.normalize and path.resolve in Node.js

....normalize can handle any paths you might want to normalize and means only string manipulation of the path, while path.resolve will use the filesystem and current directory to resolve the path to an absolute path. This makes them behave quite different as path.normalize might be used on a path insid...
https://stackoverflow.com/ques... 

Parsing JSON with Unix tools

...ivalent to curl --silent, whereas jq -r means jq --raw-output i.e. without string quotes. – Serge Stroobandt Oct 26 '18 at 21:52 ...