大约有 40,000 项符合查询结果(耗时:0.0535秒) [XML]

https://stackoverflow.com/ques... 

How to skip “are you sure Y/N” when deleting files in batch files

I can't for the life of me remember how to bypass the annoying prompt are you sure? Y/N when deleting files. 4 Answers ...
https://stackoverflow.com/ques... 

Paging with Oracle

... them 100 per page. Currently I have one stored procedure which retrieves all quarter of a million records to a dataset using a data adapter, and dataset, and the dataadapter.Fill(dataset) method on the results from the stored proc. If I have "Page Number" and "Number of records per page" as integ...
https://stackoverflow.com/ques... 

What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

...compliance mode for them to be available. General: Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar event as IE doesn’t support many operations in partially loaded documents. Differing attributes: In CSS, it's elm.style.styleFlo...
https://stackoverflow.com/ques... 

Is recursion ever faster than looping?

...airly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. In some C compilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function...
https://stackoverflow.com/ques... 

What does the “__block” keyword mean?

What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know... ...
https://stackoverflow.com/ques... 

Are there any JavaScript static analysis tools? [closed]

... Dec 14 '11 at 4:54 Andrew Marshall 87.3k1818 gold badges202202 silver badges204204 bronze badges answered Apr 2 '09 at 17:46 ...
https://stackoverflow.com/ques... 

Javascript regex returning true.. then false.. then true.. etc [duplicate]

... /^[^-_]([a-z0-9-_]{4,20})[^-_]$/gi; You're using a g (global) RegExp. In JavaScript, global regexen have state: you call them (with exec, test etc.) the first time, you get the first match in a given string. Call them again and ...
https://stackoverflow.com/ques... 

Can't find the 'libpq-fe.h header when trying to install pg gem

...on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
https://stackoverflow.com/ques... 

PHP validation/regex for URL

...hings that jump out at me: use of alternation where character classes are called for (every alternative matches exactly one character); and the replacement shouldn't have needed the outer double-quotes (they were only needed because of the pointless /e modifier on the regex). –...
https://stackoverflow.com/ques... 

Why use the SQL Server 2008 geography data type?

...eographic location of the address. The only use case I have in mind is to allow users to map the coordinates on Google maps when the address cannot otherwise be found, which often happens when the area is newly developed, or is in a remote/rural location. ...