Xterm color codes for Vim on Linux

ByEric Ma Mar 24, 2018Mar 24, 2018

Vim uses Xterm color codes like 9, 1 and 114 on Linux. What’s the overall mapping from color to codes or codes to color?

Xterm color table:

Xterm color table

You can also find the Xterm color codes here.

Programming | Tutorial

A StoneWall Solution in C++
ByDavid Yang Feb 28, 2020Feb 28, 2020

StoneWall is an interesting problem that requires some brain cycles yet not too complex. It is good software engineer interview question. Here is a C++ solution whose complexity is O(N). #include <stack> int solution(std::vector<int> &H) { int stones = 0; std::stack<int> heights; for (auto h: H) { while (!heights.empty() && h < heights.top()) { heights.pop();…

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Cannot make directory ‘/var/run/screen/S-apache’: Permission denied
ByEric Ma Mar 24, 2018Nov 21, 2019

Hello! Im trying to create a screen folder for the user apache, Not root. But it seems to fail, I have no idea on how to fix this issue. I only get the error: Cannot make directory ‘/var/run/screen/S-apache’: Permission denied Im using Cent OS 7 There may be various possible reasons. 2 common reasons: screen…

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Programming

Filter Salutation in Microsoft Dynamics CRM
ByEthan Millar Dec 15, 2016Aug 30, 2020

In this tutorial, Microsoft Dynamics CRM India experts will teach you how to filter salutation based on Gender field in MS CRM. You can follow the step-by-step guide shared in this post to avail the results. Description- According to the requirement we need to filter salutation based on gender in contact entity. For this we…

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How to display chinese character in lxterminal
ByEric Ma Mar 24, 2018Nov 21, 2019

Do you know how to display chinese character in lxterminal? I tried to install lxterminal on my workstation and it seems display Chinese characters well: FYI, my Linux system is Fedora 21. The lxterminal version: $ rpm -q lxterminal lxterminal-0.1.11-10.fc21.x86_64 Not sure what’s the reason why it does not work for you. You may check…

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Linux

Duplicating and Backing Up LVM Backed Xen DomU from a Remote Server
ByEric Ma Jul 13, 2013Feb 28, 2020

LVM’s snapshot feature enables us to duplicate an LVM backed Xen DomU in seconds inside of the same volume group. When we want to duplicate LVM backed Xen DomU from a remote server, we need to make use of LVM’s snapshot function and tools like scp and dd. Backing up the DomU is only part…

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How to convert a .docx .doc MS Word file to pdf in command line on Linux
ByEric Ma Mar 24, 2018Mar 24, 2018

How to convert a MS Word document file such as .docx and .doc to pdf on Linux using command line tools? Use LibreOffice: libreoffice –headless –convert-to pdf –outdir /path/to/out/dir/ /path/to/doc/docx/file While this LibreOffice answer works, the –headless option still needs as display, even though it does not use it. In otherwords, this option won’t work…

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