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驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...
Add subdomain to localhost URL
...42, you could use https://myprefix.myapp.172.16.0.42.nip.io:1234 from your PC or from other PCs in your intranet.
– mh8020
Jul 9 '19 at 19:39
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What is the JavaScript version of sleep()?
...until AFTER your timeout, while still returning control back to the client PC to execute whatever else it has queued up.
Further Edit
As pointed out in the comments this will absolutely NOT WORK in a loop. You could do some fancy (ugly) hacking to make it work in a loop, but in general that will j...
How do I reverse a C++ vector?
...legant than std::partition? This is the school of thought that cripples my PC experience today as it did 15 years ago, with the difference that yet more cycles are wasted, billions of them.
– Sebastian Mach
Jan 17 '12 at 12:04
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Can you autoplay HTML5 videos on the iPad?
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autoplay attribute just works on PC, not working on mobile. I have tried many times.
– huykon225
Jun 9 '17 at 1:59
add a comment
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Best practice for storing and protecting private API keys in applications [closed]
...way is to keep it as it is, imho.
Even if you store at server side( your PC ) the key can be hacked and printed out. Maybe this takes the longest? Anyhow it is a matter of few minutes or a few hours in best case.
A normal user will not decompile your code.
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How do I make JavaScript beep?
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Isn't it possible to have access to the PC Speaker? (from which we hear BIOS beeps)
– Nirmal
Jan 29 '10 at 4:02
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Simple proof that GUID is not unique [closed]
...In fact IIRC the original algorithm used the MAC address of the generating PC + the current time as part of the result - which reduces the risk of collision with Guids generated on other PCs, but of course reduces the key space.
– Joe
Jun 4 '10 at 21:04
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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...闭swap，调整max open files等；App Level的优化如Java运行环境版本的选择，ES_HEAP_SIZE的设置，修改bulk index的queue size等，另外还设置了默认的index template，目的是更改默认的shard，replica数并将string改为not_analyzed，开启doc_values以应对elasti...
How to drop columns by name in a data frame
... with only one name and I don't need list()
– Darwin PC
Jul 28 '15 at 10:07
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@DarwinPC Yes. If y...