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Thread context switch Vs. process context switch
...that a context switch messes with the processors cacheing mechanisms. Basically, when you context switch, all of the memory addresses that the processor "remembers" in its cache effectively become useless. The one big distinction here is that when you change virtual memory spaces, the processor's Tr...
What is a “thread” (really)?
... to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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Can I redirect the stdout in python into some sort of string buffer?
...t)| (default, May 11 2017, 14:07:41) [MSC v.1500 32 bit (Intel)]
AMD/Intel CPU? True
VML available? True
VML/MKL version: Intel(R) Math Kernel Library Version 11.3.1 Product Build 20151021 for 32-bit applications
Number of threads used by default: 4 (out of 4 detected cores)
-=-=-=-=-=-=-=...
How do I fix “Failed to sync vcpu reg” error?
...to use the Intel HAX x86 emulator for Windows (8, if that matters). I installed everything and created an AVD for the android version, and everything appears correct, but when I run it, I get this output:
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7-Zip for 32/64位 v16.02 - 软件下载 - 清泛网 - 专注C/C++及内核技术
...-Zip 主要特征
使用了 LZMA 与 LZMA2 算法的 7z 格式 拥有极高的压缩比
支持格式：
压缩 / 解压缩：7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
仅解压缩：ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VH...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...质量等级会有额外的开销，一般用于安全性、可靠性要求高的场景，比如支付。
RetainFlag：保留消息
保留消息定义：如果PUBLISH消息的RETAIN标记位被设置为1，则称该消息为“保留消息”。
Broker对保留消息的处理：...
How do I use Java to read from a file that is actively being written to?
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This code consumes a lot of CPU because the loop does not have a thread.sleep call in it. Without adding a small amount of delay this code tends to keep the CPU very busy.
– ChaitanyaBhatt
May 11 '17 at 22:31
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Concurrent.futures vs Multiprocessing in Python 3
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I wouldn't call concurrent.futures more "advanced" - it's a simpler interface that works very much the same regardless of whether you use multiple threads or multiple processes as the underlying parallelization gimmick.
So, like virtuall...
What is the easiest way to remove the first character from a string?
... only does one and finishes. Consider gsub like it's a minimum of two sub calls.
Also, it's important to remember that gsub, and sub can also be handicapped by poorly written regex which match much more slowly than a sub-string search. If possible anchor the regex to get the most speed from it. Th...
Is there a way to iterate over a range of integers?
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I don't think most people would call this three-expression version more simple than what @Vishnu wrote. Only perhaps after years and years of C or Java indoctrination ;-)
– Thomas Ahle
Jun 28 '14 at 21:06
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