大约有 48,000 项符合查询结果（耗时：0.0444秒） [XML]
What is the difference between LR, SLR, and LALR parsers?
... worth knowing that GLR parsers can parse any context free language, using more complicated machinery but exactly the same tables (including the smaller version used by LALR). This means that GLR is strictly more powerful than LR, LALR and SLR; pretty much if you can write a standard BNF grammar, GL...
MySQL: Large VARCHAR vs. TEXT?
...
|
show 13 more comments
479
...
Getting parts of a URL (Regex)
...The problem is this part: (.*)? Since the Kleene star already accepts 0 or more, the ? part (0 or 1) is confusing it. I fixed it by changing (.*)? to (.+)?. You could also just remove the ?
– rossipedia
Oct 25 '10 at 22:23
...
“Submit is not a function” error in JavaScript
... JavaScript, but an error ".submit is not a function" shown. See below for more details of the code:
14 Answers
...
How to get the current date without the time?
...DateTime using the Today property:
DateTime today = DateTime.Today;
or more generally, you can use the Date property. For example, if you wanted the UTC date you could use:
DateTime dateTime = DateTime.UtcNow.Date;
It's not very clear whether that's what you need or not though... if you're j...
What programming practice that you once liked have you since changed your mind about? [closed]
...use/complicate
//things but can make the code hard to follow. Now I spend more time on
//improving the simplicity and readability of the code and inserting fewer yet
//relevant comments, instead of spending that time writing overly-descriptive
//commentaries all throughout the code.
...
How can I take more control in ASP.NET?
...ues will appear in the URL upon submission so your GET request URL will be more "meaningful"
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="JonSkeetForm.aspx.cs" Inherits="JonSkeetForm" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml...
List goals/targets in GNU make that contain variables in their definition
...
I agree that this is much nicer. Still more work than I hoped, but I'm going to mark it as the answer since nothing else seems to be reasonable and GNU make doesn't have a convenient flag for what I want.
– BitShifter
Sep 8 '...
Rails find_or_create_by more than one attribute?
...
|
show 1 more comment
34
...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...
Yeah, Xamarin's Mono virtual machine is more impressive than Google's Dalvik used in Android. I have tested it with HTC Flyer and Acer Iconia Tab tablets to benchmark the C# port of Android through Mono against Java Dalvik, with the C# implementation of Android we...