mightbxg

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• feh
• nomacs

mightbxg

%% get axes handles
ax_hdls = findobj(groot, 'type', 'axes');
ax_1 = ax_hdls(1);
ax_2 = ax_hdls(2);

% set Y limits
set([ax_1, ax_2], 'YLim', pitch_range);

% plot
plot(ax_1, x, y);

mightbxg

Keyword: cppreference.com
Link: https://en.cppreference.com/mwiki/index.php?title=Special:Search&search=%s

mightbxg

#!/usr/bin/env bash

session='xx'
# check session exists
tmux has-session -t $session 2>/dev/null
if [ $? -eq 0 ]; then
    read -p "tmux session [$session] already exists, kill it and reopen one? [Y/n]" -n 1 -r
    echo
    if [[ $REPLY =~ ^[Nn]$ ]]; then
        echo "abort."

mightbxg

Reference

Download fonts:

1. nerd-fonts
2. Sarasa-Gothic (中文)

Installation:

1. Run mkdir -p ~/.local/share/fonts
2. Move font files or folders to ~/.local/share/fonts
3. Reboot or run fc-cache -fv

mightbxg

///@brief Object pool that manages objects with std::shared_ptr.
///@note The object will be reused only when it's released outside the pool.
template <typename T>
class SharedPtrObjectPool {
protected:
    struct CalleeHelper {
    };

public:
    using Ptr = std::shared_ptr<T>;

mightbxg

ref:

• Linux 系统Kde桌面环境的fcitx输入问题解决
• Ubuntu20.04 搜狗输入法安装后无法输入中文

1. Install fcitx sudo apt install fcitx
2. Download sogoupinyin package from https://pinyin.sogou.com/linux/?r=pinyin
3. Install sogoupinyin package. There might be some depends problem such as libopencc2, fcitx-libs etc. Install them with sudo apt install -f.
4. Create .xprofile in the HOME dir, contents:

GTK_IM_MODULE=fcitx

mightbxg

/// @brief String format from OpenCV
inline std::string format(const char* fmt, ...)
{
    std::vector<char> buf(1024);
    while (true) {
        va_list va;
        va_start(va, fmt);
        int bsize = static_cast<int>(buf.size());
        int len = std::vsnprintf(buf.data(), bsize, fmt, va);
        va_end(va);

mightbxg

<scheme name="QtCreator" version="142" parent_scheme="Default">
  <option name="FONT_SCALE" value="1.0" />
  <metaInfo>
    <property name="created">2022-08-30T19:39:56</property>
    <property name="ide">CLion</property>
    <property name="ideVersion">2022.2.1.0.0</property>
    <property name="modified">2022-08-30T19:40:01</property>
    <property name="originalScheme">QtCreator</property>
  </metaInfo>
  <option name="CONSOLE_FONT_NAME" value="MesloLGLDZ NF" />

mightbxg

Ref: https://stackoverflow.com/a/16715419/8263383

ffmpeg -f lavfi -i anullsrc=r=44100:cl=mono -t <seconds> -q:a 9 -acodec libmp3lame out.mp3