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What linux shell command returns a part of a string? [duplicate]
I want to find a linux command that can return a part of the string. In most programming languages, it's the substr() function. Does bash have any command that can be used for this purpose. I want to be able to do something like this...
substr "abcdefg" 2 3 - prints cde .
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Difference between CLOCK_REALTIME and CLOCK_MONOTONIC?
...CK_REALTIME and CLOCK_MONOTONIC clocks returned by clock_gettime() on Linux?
7 Answers
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List files recursively in Linux CLI with path relative to the current directory
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find . -name \*.txt -print
On systems that use GNU find, like most GNU/Linux distributions, you can leave out the -print.
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数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...序从“婴儿”变成“成年人”？
4、如何使用有限的存储空间海量的知识库？
5、如何提高程序在海量知识库中查找定位信息的效率？
6、如何识别新词、人名、新鲜事物等未知领域？
这是《纽约时报》刊登的2张照片，一张...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
linux下iptables配置详解如果你的IPTABLES基础知识还不了解,建议先去看看.开始配置我们来配置一个filter表的防火墙.(1)查看本机关于IPTABLES的设置情况[root@tp ~]...如果你的IPTABLES基础知识还不了解,建议先去看看.
开始配置
我们来配置...
How accurate is python's time.sleep()?
...nel package (at least in Ubuntu 10.04 LTS).
EDIT: Correction non-realtime Linux kernels have minimum sleep interval much closer to 1ms then 10ms but it varies in a non-deterministic manner.
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Git status ignore line endings / identical files / windows & linux environment / dropbox / mled
...tting on some work project. On work I must use windows, home I use mac and linux. Before this I had the same problem as you, after that setting everything was ok.
– Saša Šijak
Dec 12 '13 at 15:26
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How to show a GUI message box from a bash script in linux?
I'm writing a few little bash scripts under Ubuntu linux. I want to be able to run them from the GUI without needing a terminal window to enter any input or view any output.
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How do I get Windows to go as fast as Linux for compiling C++?
...tems for various parameters.
Caching. I once tried to run a compilation on Linux on a RAM disk and found that it was slower than running it on disk thanks to the way the kernel takes care of caching. This is a solid selling point for Linux and might be the reason why the performance is so different....
Convert from ASCII string encoded in Hex to plain ASCII?
...is ...
Python 2 Interpreter
print "\x70 \x61 \x75 \x6c"
Example
user@linux:~# python
Python 2.7.14+ (default, Mar 13 2018, 15:23:44)
[GCC 7.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> print "\x70 \x61 \x75 \x6c"
p a u l
>>> exit...