singalen’s gists

singalen / _example.rs

Last active November 4, 2021 00:22

Newbie lifetime problem

	use rlua::{Context, Error, FromLua, Lua, Value};

	fn eval2<'lua, T>(lua_text: &str) -> rlua::Result<T> // line 190
	where T: FromLua<'lua>
	{
	let lua = Lua::new();

	let result = lua.context(\|lua_ctx: Context<'lua>\| {

	let result = lua_ctx

singalen / bundle_far_depends.sh

Created February 25, 2020 02:01

	function package_deps() {
	BINARY=$1

	DEPS=$(otool -L $BINARY \
	\| grep "/opt/local/lib" \
	\| tr -s ' ' \
	\| cut -d ' ' -f 1)

	for DEP in $DEPS; do
	cp $DEP Far2l.app/Contents/MacOS/

singalen / preprocessor.cpp

Last active December 24, 2019 21:06

Wesnoth crash on iPad

	preprocessor_data::preprocessor_data(preprocessor_streambuf& t,
	filesystem::scoped_istream i,
	const std::string& history,
	const std::string& name,
	int linenum,
	const std::string& directory,
	const std::string& domain,
	std::unique_ptr<std::map<std::string, std::string>> defines,
	bool is_define)
	: preprocessor(t)

singalen / far2l.lldb.bt3

Last active September 20, 2018 19:53

far2l freeze on vim

	(lldb) process interrupt
	Process 21193 stopped
	* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
	frame #0: 0x00007fff5bacc20a libsystem_kernel.dylib`mach_msg_trap + 10
	libsystem_kernel.dylib`mach_msg_trap:
	-> 0x7fff5bacc20a <+10>: retq
	0x7fff5bacc20b <+11>: nop

	libsystem_kernel.dylib`mach_msg_overwrite_trap:
	0x7fff5bacc20c <+0>: movq %rcx, %r10

singalen / (cause)parser.cpp

Last active March 25, 2018 08:17

wesnoth 1.10 iOS crash: stack-use-after-scope

	void write_key_val_visitor::operator()(t_string const &value) const
	{
	bool first = true;
	// Crashes:
	for (t_string::walker w(value); !w.eos(); w.next())
	// Doesn't crash:
	for (t_string::walker w(value.get()); !w.eos(); w.next())
	// ...
	}

singalen / get_DPI.txt

Created October 2, 2017 20:17

	1. Windows: https://stackoverflow.com/questions/29438430/how-to-get-dpi-scale-for-all-screens
	2. OS X: https://stackoverflow.com/questions/12589198/how-to-read-the-physical-screen-size-of-osx
	3. GTK: https://stackoverflow.com/questions/25048987/in-gtk-linux-whats-the-correct-way-to-get-the-dpi-scale-factor
	4. Qt: https://stackoverflow.com/questions/20603931/how-to-get-the-dpi-of-the-display-screen-in-qt

singalen / example.cpp

Last active June 20, 2017 20:12

	static ProfileCounter counter_one("profiled_function");

	void profiled_function()
	{
	...
	{
	ProfileGuard g(&counter_one);
	do_some_timed_activity();
	}
	...

singalen / forest.c

Created November 11, 2016 22:13

A stepwise resource allocation in C. Example for http://softwareengineering.stackexchange.com/questions/335851/

singalen / with offending laptop

Created September 2, 2013 08:29

torba-wifi-slowdown

	BSS 90:94:e4:ef:51:34 (on wlan0) -- associated
	TSF: 235968921975 usec (2d, 17:32:48)
	freq: 2412
	beacon interval: 100
	capability: ESS Privacy ShortSlotTime APSD (0x0c11)
	signal: -65.00 dBm
	last seen: 116 ms ago
	Information elements from Probe Response frame:
	SSID: Torba Lab
	Supported rates: 1.0* 2.0* 5.5* 11.0* 9.0 18.0 36.0 54.0

singalen / JettyLauncher.java

Created June 20, 2012 20:18

Jetty+Weld+Jersey-servlet setup for StackOverflow question

	package com.foobar.chaos;

	import javax.naming.InitialContext;
	import javax.naming.Reference;

	import org.eclipse.jetty.plus.jndi.Resource;
	import org.eclipse.jetty.server.Server;
	import org.eclipse.jetty.webapp.WebAppContext;

	public class JettyLauncher {

Victor Sergienko singalen