大约有 15,000 项符合查询结果（耗时：0.0457秒） [XML]
Convert dmesg timestamp to custom date format
...el timestamps in dmesg are derived from an uptime value kept by individual CPUs. Over time this gets out of sync with the real time clock. As a result, the most accurate conversion for recent dmesg entries will be based on the CPU clock rather than /proc/uptime. For example, on a particular CentOS 6...
Why is 1/1/1970 the “epoch time”?
... as business spreadsheets, scientific data presentation, time machine UIs, etc.
– Lenoxus
Mar 3 '14 at 15:51
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Thread vs ThreadPool
...than the main thread pool. If one has a lot of tasks to perform which are CPU intensive but won't block, it may be helpful to dispatch them using a pool of application threads (one per CPU core) which is separate from the "main" threadpool, since using more threads than cores will be counterprod
JavaScript, Node.js: is Array.forEach asynchronous?
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technically, forEach isn't "blocking", as the CPU never goes to sleep. It's synchronous and CPU-bound, which can feel like "blocking" when you expect the node app to be responsive to events.
– Dave Dopson
Aug 2 '11 at 17:58
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SQL Server IN vs. EXISTS Performance
...ntil you see how the optimizer factors in all the other aspects of indexes etc., you really will never know.
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Convert objective-c typedef to its string equivalent
...Type.JSON sytax. FormatType is a type and the enum values (e.g. JSON, XML, etc.) are values that you can assign to that type.
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Selenium WebDriver: Wait for complex page with JavaScript to load
...bserve its behaviour and track some of its variables on window or document etc. This solution, however, is not for everyone and can be used only by you and only on a limited set of pages.
Your solution by observing the HTML code and whether it has or hasn't been changed for some time is not bad (als...
What is a good regular expression to match a URL? [duplicate]
... a bit more info on the comment by @RubenMartinezJr. - it does max out the CPU on Chrome and Firefox (Mac OS), but interestingly does not max out the CPU on Safari.
– rinogo
Nov 9 '17 at 14:46
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2015互联网结束补贴战 从相杀到相爱只需一个长假 - 资讯 - 清泛网 - 专注C/...
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逐利合并结束补贴战
滴滴和快的合并后，外界最关心的问题是以后用手机叫车还有补贴吗？
在2015年第一财季，58同城净亏损5240万美元。而滴滴和快的之间的补贴烧钱大战也是愈演愈烈。“有一天，我们甚至烧掉了1000万美元...
Should I use Vagrant or Docker for creating an isolated environment? [closed]
...ctivity benefits:
Vagrant can launch VirtualBox, VMware, AWS, OpenStack, etc. machines. It doesn't matter what you need, Vagrant can launch it. If you are using Docker, Vagrant can install Docker on any of these so you can use them for that purpose.
Vagrant is a single workflow for all your projec...