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What happens when a computer program runs?
...r on some systems (see Billy O'Neal's answer below for more details on Win32).
Other systems can be very different. DOS, for instance, ran in real mode, and its memory allocation when running programs looked much differently:
+-----------+ top of memory
| extended | above the high memory area,...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...la collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example...
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TCP 的那些事儿（下） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...样的：
1）首先，先采样RTT，记下最近好几次的RTT值。
2）然后做平滑计算SRTT（ Smoothed RTT）。公式为：（其中的 α 取值在0.8 到 0.9之间，这个算法英文叫Exponential weighted moving average，中文叫：加权移动平均）
SRTT = ( α * ...
How can I pretty-print JSON in a shell script?
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Change the current directory from a Bash script
...adding this line:
# . ~/bin/myprog.sh
#
function myprog() {
A=$1
B=$2
echo "aaa ${A} bbb ${B} ccc"
cd /proc
}
The reason is that each process has its own current directory, and when you execute a program from the shell it is run in a new process. The standard "cd", "pushd" and "popd" ar...
What blocks Ruby, Python to get Javascript V8 speed? [closed]
...ers).
Lars Bak, the lead developer, has been literally working on VMs for 25 years (and all of those VMs have lead up to V8), which is basically his entire (professional) life. Some of the people writing Ruby VMs aren't even 25 years old.
Are there any Ruby / Python features that are blocking i...
send mail from linux terminal in one line [closed]
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213
mail can represent quite a couple of programs on a linux system. What you want behind it is ei...
AutoMapper: “Ignore the rest”?
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Can GencerCan Gencer
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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answered Feb 27 '09 at 20:45
Mehrdad AfshariMehrdad Afshari
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