大约有 9,900 项符合查询结果（耗时：0.0223秒） [XML]
Is there any overhead to declaring a variable within a loop? (C++)
...
Correct idea wrong reason. Variable outside the loop. Constructed once, destroyed once but asignment operator applied every iteration. Variable inside the loop. Constructe/Desatructor aplied every iteration but zero assignment operat...
What is the optimal length for an email address in a database?
...t's a Poisson distribution rather than a normal distribution - anyone have ideas why it's like that? :P
– pageman
Jul 29 '09 at 10:47
...
How to convert a clojure keyword into a string?
...eed to convert clojure keyword eg. :var_name into a string "var_name". Any ideas how that could be done?
5 Answers
...
Defining a function with multiple implicit arguments in Scala
... a Tuple as the underlying representation for the parameters is not a good idea because the implicit conversions could interfere with other uses. Actually, implicit conversions to any standard type (including library ones) usually create trouble in any non-trivial application. The solution is to c...
Change bootstrap navbar collapse breakpoint without using LESS
... I set this value, bootstrap seems to be picking up the original 768 - Any ideas? Thanks
– Chris Richards
Aug 16 '16 at 10:50
6
...
Logging best practices [closed]
... Calling something an anti-pattern doesn't mean it's always 100% a bad idea -- just that it creates a tendency to paint yourself into a corner if you're not careful. Also, ILog/LogManager is itself a well written wrapper mini-library in the image of commons-logging that's bundled in the log4net...
When to use Windows Workflow Foundation? [closed]
...m. So (theoretically) I can do all my logic in WF, but it's probably a bad idea to do it for all projects.
11 Answers
...
How to manage a redirect request after a jQuery Ajax call
...
What an awesome solution. I like the idea of a one-stop solution. I need to check for a 403 status, but I can use the ajaxSuccess bind on body for this (which is what I was really looking for.) Thanks.
– Bretticus
Aug 4 '10...
Difference between clustered and nonclustered index [duplicate]
...will move around on disk, causing overhead - which generally is not a good idea.
Having many indexes is not good either. They cost to maintain. So start out with the obvious ones, and then profile to see which ones you miss and would benefit from. You do not need them from start, they can be added ...
Is there a “standard” format for command line/shell help text?
...e of + or - is mandatory? (I know I can have 2 usage lines but I like the idea of doubling them with each new argument.) Can you think of an example from a standard tool?
– Alois Mahdal
May 15 '13 at 22:46
...