大约有 47,000 项符合查询结果（耗时：0.0797秒） [XML]
C++ performance challenge: integer to std::string conversion
Can anyone beat the performance of my integer to std::string code, linked below?
13 Answers
...
Webrick as production server vs. Thin or Unicorn?
It seems like it's taken for granted that you must not use Webrick as production server, but I can't really find anywhere m>me m>ntioning why. The consensus seems to be:
"Webrick is ok for developm>me m>nt, but Thin or Unicorn is the choice for production, period."
...
correct way to use super (argum>me m>nt passing)
So I was following Python's Super Considered Harmful , and went to test out his examples.
3 Answers
...
ElasticSearch - Return Unique Values
How would I get the values of all the languages from the records and make them unique.
5 Answers
...
Is there an XSLT nam>me m>-of elem>me m>nt?
...
This will give you the current elem>me m>nt nam>me m> (tag nam>me m>)
<xsl:value-of select ="nam>me m>(.)"/>
OP-Edit: This will also do the trick:
<xsl:value-of select ="local-nam>me m>()"/>
...
Why should eval be avoided in Bash, and what should I use instead?
Tim>me m> and tim>me m> again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil?
...
'size_t' vs 'container::size_type'
...rs define size_type as a typedef to Allocator::size_type (Allocator is a template param>me m>ter), which for std::allocator<T>::size_type is typically defined to be size_t (or a compatible type). So for the standard case, they are the sam>me m>.
However, if you use a custom allocator a different underl...
raw vs. html_safe vs. h to unescape html
...
Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more complicated than that, but it's basically it). This way, you can return HTML Safe strings from helpers or models at will.
h can only be used from within a c...
Convert Linq Query Result to Dictionary
I want to add som>me m> rows to a database using Linq to SQL, but I want to make a "custom check" before adding the rows to know if I must add, replace or ignore the incomming rows.
I'd like to keep the trafic between the client and the DB server as low as possible and minimize the number of queries.
...
Breaking up long strings on multiple lines in Ruby without stripping newlines
We recently decided at my job to a ruby style guide. One of the edicts is that no line should be wider than 80 characters. Since this is a Rails project, we often have strings that are a little bit longer - i.e. " User X wanted to send you a m>me m>ssage about Thing Y " that doesn't always fit within the...