大约有 33,000 项符合查询结果（耗时：0.0472秒） [XML]
Representing Monetary Values in Java [closed]
... understand that BigDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead?
...
Why does integer division in C# return an integer and not a float?
Does anyone know why integer division in C# returns an integer and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
...
GB English, or US English?
...tend to do the same, but being careful of what Chris mentions - if you use one spelling in the API you should probably use the same one elsewhere in the project.
– Mark Baker
Oct 1 '08 at 14:55
...
Stripping everything but alphanumeric chars from a string in Python
...ed the regular expressions to be slower. Interestingly, I tried this with one other option (valid_characters = string.ascii_letters + string.digits followed by join(ch for ch in string.printable if ch in valid_characters) and it was 6 microseconds quicker than the isalnum() option. Still much slow...
How to implement the activity stream in a social network
... last X items
Redis is fast and offers a way to pipeline commands across one connection - so pushing an activity out to 1000 friends takes milliseconds.
For a more detailed explanation of what I am talking about, see Redis' Twitter example: http://redis.io/topics/twitter-clone
Update February 20...
Regular Expressions and negating a whole character group [duplicate]
...examples I gave won't match 'ab' it's true but they also won't match 'a' alone and I need them to. Is there some simple way to do this?
...
What is DOCTYPE?
...ne how to render a page. Not including a DOCTYPE or including an incorrect one can trigger quirks mode.
The kicker here is, that quirks mode in Internet Explorer is quite different from quirks mode in Firefox (and other browsers); meaning that you'll have a much harder job, trying to ensure your pa...
Map vs Object in JavaScript
...use it ensures the same performance in all browsers. So to me that's a big one.
The myMap.has(key) method will be especially handy, and also the myMap.size property.
share
|
improve this answer
...
Is quitting an application frowned upon?
...hey think about "terminating" a Web page or "terminating" a thermostat.
iPhone users are much the same way, in that pressing the iPhone button does not necessarily "feel" like the app was terminated since many iPhone apps pick up where the user left off, even if the app really was shut down (since i...
Get characters after last / in url
...ce of the slash; substr returns everything after that position.
As mentioned by redanimalwar if there is no slash this doesn't work correctly since strrpos returns false. Here's a more robust version:
$pos = strrpos($url, '/');
$id = $pos === false ? $url : substr($url, $pos + 1);
...