大约有 6,800 项符合查询结果（耗时：0.0371秒） [XML]
Adding up BigDecimals using Streams
...
+1 for Invoice::total vs invoice -> invoice.total().
– ryvantage
Mar 25 '14 at 18:50
12
...
How slow are .NET exceptions?
...n my particular case, replacing in a tight loop int.Parse() plus try/catch vs. int.TryParse() gave a significant performance boost.
– Hugh W
Jan 30 '13 at 17:29
add a comment
...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
... may not be such distinguishable occurrences.
Take the ISO-8859-1 charset vs ISO-8859-15 ( http://en.wikipedia.org/wiki/ISO/IEC_8859-15#Changes_from_ISO-8859-1 )
There's only a handful of different characters, and to make it worse, they're represented by the same bytes. There is no way to detect, ...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
...
What's the difference between "runs as 32-bit" vs. runs as "WoW64". I thought WoW64 = "Windows (32-bit) on Windows64" and was needed for any 32-bit application to run.
– Peter Cordes
Nov 23 '19 at 21:00
...
Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
...
Are the shift operators () arithmetic or logical in C?
...es.
Basically you need to either test your compiler or not rely on it. My VS2008 help for the current MS C++ compiler says that their compiler does an arithmetic shift.
share
|
improve this answer
...
Why use Ruby's attr_accessor, attr_reader and attr_writer?
...here is also a significant performance advantage to writing attr_reader :a vs. def a; return a; end confreaks.net/videos/…
– Nitrodist
Jan 19 '12 at 19:22
83
...
When to use MongoDB or other document oriented database systems? [closed]
...se they were created for, reinventing so many wheels afterwards. The NoSQL vs. SQL debate shows that many people experience using NoSQL as if they were going back 20-30 years in time, to pre-Codd, pre-relational, pre-SQL times. Or, as Michael Stonebraker puts it: "What Goes Around Comes Around"
...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...oing to modify fields in your Java object. It's a trade-off of ease-of-use vs flexibility, take your pick.
share
|
improve this answer
|
follow
|
...
Accessing last x characters of a string in Bash
...hen bash unavailable. E.g. upstart script section.
– vskubriev
Mar 29 '17 at 13:39
add a comm...