大约有 48,000 项符合查询结果(耗时:0.0698秒) [XML]

https://stackoverflow.com/ques... 

How to perform .Max() on a property of all objects in a collection and return the object with maximu

... To paraphrase yourself, "I don't know what's the relation between this problem and abstracting away as a generic solution...". :) Sometimes stackoverflow is like a ham radio club... – KristoferA Jul 9 '09 at 9:32 ...
https://stackoverflow.com/ques... 

How can mixed data types (int, float, char, etc) be stored in an array?

...eger int_; real real_; } record; enum types { INVALID, INT, REAL }; Now it may appear that we're repeating ourselves, and we are. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to...
https://stackoverflow.com/ques... 

Replace new lines with a comma delimiter with Notepad++?

...Click Edit -> Blank Operations -> EOL to space [All the items should now be in a single line separated by a 'space'] Select any 'space' and do a Replace All (by ',') share | improve this answ...
https://stackoverflow.com/ques... 

get dictionary value by key

...n the dictionary. return; // or whatever you want to do } // xmlfile is now equal to the value share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Why use prefixes on member variables in C++ classes

... to nul-terminated char arrays, and it's not really all that difficult to know that "customerName" is a string! However, I do use prefixes to specify the usage of a variable (essentially "Apps Hungarian", although I prefer to avoid the term Hungarian due to it having a bad and unfair association wi...
https://stackoverflow.com/ques... 

How do I add custom field to Python log format string?

... Python3 As of Python3.2 you can now use LogRecordFactory >>> import logging >>> logging.basicConfig(format="%(custom_attribute)s - %(message)s") >>> old_factory = logging.getLogRecordFactory() >>> def record_factory(*ar...
https://stackoverflow.com/ques... 

What is JSON and why would I use it?

...ipt object you must first parse it, var x = JSON.parse('{"x":"y"}');, x is now an object but this is not JSON anymore. See Javascript object Vs JSON When working with JSON and JavaScript, you may be tempted to use the eval function to evaluate the result returned in the callback, but this is not...
https://stackoverflow.com/ques... 

What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

... @JonathanLeffler the link seems to be not working right now. If you are also getting an issue visiting the link, can you please update it? – Ajay Brahmakshatriya Nov 25 '18 at 6:46 ...
https://stackoverflow.com/ques... 

Select first row in each GROUP BY group?

...ndex-only scans is in development for Postgres 14. See here and here.) For now, there are faster query techniques to substitute for this. In particular if you have a separate table holding unique customers, which is the typical use case. But also if you don't: Optimize GROUP BY query to retrieve la...
https://stackoverflow.com/ques... 

QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded

...de to work. UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers. share | improve this answer | follow | ...