大约有 10,000 项符合查询结果(耗时:0.0225秒) [XML]

https://stackoverflow.com/ques... 

What is the dual table in Oracle?

...elf, but instead used inside a view that was expected to be queried. The idea was that you could do a JOIN to the DUAL table and create two rows in the result for every one row in your table. Then, by using GROUP BY, the resulting join could be summarized to show the amount of storage for ...
https://stackoverflow.com/ques... 

Best way to concatenate List of String objects? [duplicate]

...ibility will see to that. But I agree that using toString() is still a bad idea. – Barry Kelly Oct 24 '13 at 9:00 add a comment  |  ...
https://stackoverflow.com/ques... 

How to list out all the subviews in a uiviewcontroller in iOS?

...ut, for instance, the subviews in the UITableViewCell are not found. Any idea? 22 Answers ...
https://stackoverflow.com/ques... 

Run a PHP file in a cron job using CPanel

...am using this now and it works but I do not get any email notification any ideas why not? php /home/username/public_html/cron/cron.php note I had to put the following line at the top of the PHP script #! /usr/bin/php -q – Zabs Sep 7 '11 at 12:04 ...
https://stackoverflow.com/ques... 

What should I put in a meteor .gitignore file?

... if you use Intellij IDE ignore .ideafolder Sublime Text ignore sublime-project sublime-workspace if you are mac user you can ignore DS_Store and if you use npm ignore npm cause if both windows and mac user work on same project, as the same npm version i...
https://stackoverflow.com/ques... 

How can I implode an array while skipping empty array items?

... Yeah, that's backward. But you gave me the right idea implode('-', array_filter($ary, create_function('$a', 'return $a!="";'))); – Tom Auger May 12 '11 at 23:12 ...
https://stackoverflow.com/ques... 

Converting Integer to Long

... Introducing a string conversion for no reason is a really bad idea... there's simply no benefit in doing this. – Jon Skeet Mar 27 '13 at 13:53 6 ...
https://stackoverflow.com/ques... 

How to increment a NSNumber

...For floating point stuff the short answer is the following, but it's a bad idea to do this, you'll loose precision and if you're doing any kind of comparison later like [myNSNumber isEqual:@(4.5)] you might be surprised: myNSNumber = @(myNSNumber.floatValue + 1); If you need to do math on floatin...
https://stackoverflow.com/ques... 

Back to previous page with header( “Location: ” ); in PHP

...ote that this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser. Ideally, you will want to either: Append the return address to the request as a query ...
https://stackoverflow.com/ques... 

Converting integer to binary in python

... Just another idea: >>> bin(6)[2:].zfill(8) '00000110' Shorter way via string interpolation (Python 3.6+): >>> f'{6:08b}' '00000110' share ...