synchronized和lock
Store value of os.system or os.popen
I want to grep the error\'s out of a log file and save the value as an error. When I use: errors = os.system(\"cat log.txt | grep \'ERROR\' | wc -l\")[详细]
2022-12-30 04:22 分类：问答What's the best way to have functions share an array in Objective-C?
I understand that in Objective-C you declare an array in the header file and interact with it in a class. So far I\'m adding things and fetching them fine within a single function. I\'m new to the lan[详细]
2022-12-29 09:26 分类：问答Scroll an input box to the cursor position in javascript
I\'ve written a simple JS function that places the cursor at the end of the contents of an input box when it receives focus (the most common action in the box being to append). I haven\'t checked in I[详细]
2022-12-25 11:35 分类：问答Can't preview web parts in web parts gallery
I get an \"Unknown Error\" when I click on any of the web parts in the gall开发者_StackOverflow中文版ery. What can cause this?[详细]
2022-12-25 07:09 分类：问答Maintaining both sides of self-referential many-to-many relationship in Grails domain object
I\'m having some problems getting a many-to-many relationship working in grails.Is there anything obviously wrong with the following:[详细]
2022-12-25 03:10 分类：问答Android Application: Got Internet Connection
How can I check got a successful internet connect (Wifi/3G/whatever else) I already display an error to the use开发者_如何转开发r if they don\'t have Wifi connection but how can I make sure then that[详细]
2022-12-25 00:56 分类：问答How do I remove a CSS class from one anchor and assign it to another using jquery?
Here are my anchors, <a ID=\"lnkbtn0\" class=\"page-numbers\" href=\"#\">1</a> <a ID=\"lnkbtn1\" class=\"page-numbers\" href=\"#\">2</a>[详细]
2022-12-24 22:05 分类：问答一言半字的意思是什么？
最近相信很多小伙伴都很有兴趣了解一个半字的话题，因为这个话题最近也很热。现在大家都想知道一个半字，我也在网上搜集了一些和一个半字相关的信息，大家分享一下。[详细]
2022-12-24 21:46 分类：问答《虽然是精神病但没关系》热播，治愈的方式有很多种！？
今年夏天 国产电视剧真的很牛逼， 003010刚刚结束， 我又上场了。 003010快递， 我不能停止想它。[详细]
2022-12-24 21:39 分类：问答
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