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jQuery or javascript to find memory usage of page

...nt is not dependant on user actions (memory used by script files, plugins, etc.) Everything else is considered dynamic and should be your main focus when determining your limit. But there is no easy way to summarize them. You could implement a tracking system that gathers all these information. All...
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GestureDetect 扩展:手势检测扩展,识别滑动、点击和长按手势 · App Inventor 2 中文网

...势检测原理 性能优化建议 常见问题 Q: 手势检测不灵敏怎么办? Q: 如何在同一个组件上检测多种手势? Q: 可以自定义手势的灵敏度吗? Q: 支持哪些布局组件? ...
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How to read a large file - line by line?

...htop to see that with plain old sequential pandas dataframe.read_csv, 100% cpu on just one core is the actual bottleneck in pd.read_csv, not the disk at all. I should add I'm using an SSD on fast video card bus, not a spinning HD on SATA6 bus, plus 16 CPU cores. Also, another technique that I disc...
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Why doesn't C++ have a garbage collector?

... responsiveness or server loading? should it use lots of memory or lots of CPU? C/c++ is used in just too many different circumstances. I suspect something like boost smart pointers will be enough for most users Edit - Automatic garbage collectors aren't so much a problem of performance (you can a...
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Peak memory usage of a linux/unix process

...ime (seconds): 0.00 System time (seconds): 0.01 Percent of CPU this job got: 250% Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.00 Average shared text size (kbytes): 0 Average unshared data size (kbytes): 0 Average stack size (kbytes): 0 Av...
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a

...g it exposed makes it easier to do things like call .next() twice per loop etc. Not a huge problem, but can cause issues if you are doing anything more complicated than just running through a list to delete entries. – RodeoClown Oct 21 '08 at 23:58 ...
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How to detect the OS from a Bash script?

... Detecting operating system and CPU type is not so easy to do portably. I have a sh script of about 100 lines that works across a very wide variety of Unix platforms: any system I have used since 1988. The key elements are uname -p is processor type but...
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Count(*) vs Count(1) - SQL Server

...vers (such as auto-stats, xevent sessions, query store overhead, triggers, etc.). It is maybe a few thousand extra CPU instructions. So, count(1) does a tiny bit less work during compilation (which will usually happen once and the plan is cached across multiple subsequent executions). For executi...
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How to measure time taken by a function to execute

...E 10 ++ FireFox 15 ++ Chrome 24 ++ Safari 8 ++ Opera 15 ++ Android 4.4 ++ etc, etc console.time may be viable for you, but it's non-standard §: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. The...
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Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful

...t/html,text/xml,text/plain,application/javascript,text/css # not worth the CPU cycles at some point, probably server.compression.min-response-size=10240 In application.properties 1.2.2 - <1.3 server.tomcat.compression=on server.tomcat.compressableMimeTypes=application/json,application/xml,tex...