developerworks
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| // src/useWasm.js | |
| export const useWasm = (fileName, imports) => { | |
| const [state, setState] = useState(null); | |
| useEffect(() => { | |
| const fetchWasm = async () => { | |
| const wasm = await fetch(fileName); | |
| const instance = await AsBind.instantiate(wasm, imports); | |
| setState(instance); | |
| }; | |
| fetchWasm(); |
developerworks
/ Writing Tools Writeup.markdown
Created
March 12, 2018 16:26
— forked from mojavelinux/Writing Tools Writeup.markdown
How To Write A Technical Book (One Man's Modest Suggestions)
developerworks
/ index.html
Created
November 7, 2017 18:10
— forked from martinsik/index.html
Simple WebSocket server based on libwebsockets. For full description read http://martinsikora.com/libwebsockets-simple-websocket-server
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> | |
| <script type="text/javascript"> | |
| $(function() { | |
| window.WebSocket = window.WebSocket || window.MozWebSocket; | |
| var websocket = new WebSocket('ws://127.0.0.1:9000', |
developerworks
/ ecto_closure_table.ex
Created
March 22, 2017 04:07
— forked from coryodaniel/ecto_closure_table.ex
Ecto closure table insert
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| defmodule CommentPath do | |
| @moduledoc""" | |
| Comment [closure table](http://www.slideshare.net/billkarwin/models-for-hierarchical-data). | |
| """ | |
| @primary_key false | |
| schema "comment_paths" do | |
| field :ancestor_id, Ecto.UUID | |
| field :descendant_id, Ecto.UUID | |
| field :depth, :integer |
developerworks
/ closure_table_postgres_functions.sql
Created
March 21, 2017 13:39
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| ---------------------------------------------------------------------------------------- | |
| -- This function is used to update paths when inserted a new node | |
| ---------------------------------------------------------------------------------------- | |
| DROP FUNCTION IF EXISTS after_insert_node(); | |
| -- Step 1: Create a function used to update paths | |
| CREATE OR REPLACE FUNCTION after_insert_node() RETURNS TRIGGER LANGUAGE PLPGSQL AS $$ | |
| BEGIN |
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| ➜ tmp git clone https://github.com/jekens/ranch_test.git | |
| Cloning into 'ranch_test'... | |
| remote: Counting objects: 21, done. | |
| remote: Compressing objects: 100% (16/16), done. | |
| remote: Total 21 (delta 2), reused 21 (delta 2), pack-reused 0 | |
| Unpacking objects: 100% (21/21), done. | |
| Checking connectivity... done. | |
| ➜ tmp cd ranch_test |
developerworks
/ gist:284b0d3df43668d54596c4d37c7b4beb
Created
May 19, 2016 08:31
Systemtap nettop.stp error
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| ubuntu:~/systemtap/systemtap-3.0/testsuite/systemtap.examples/network$ sudo stap -vv /home/ycc/systemtap/systemtap-3.0/testsuite/systemtap.examples/network/nettop.stp | |
| Systemtap translator/driver (version 3.0/0.166, non-git sources) | |
| Copyright (C) 2005-2015 Red Hat, Inc. and others | |
| This is free software; see the source for copying conditions. | |
| enabled features: NLS TR1_UNORDERED_MAP | |
| Created temporary directory "/tmp/stapZuz725" | |
| Session arch: x86_64 release: 4.2.0-36-generic | |
| Kernel symbol table /lib/modules/4.2.0-36-generic/build/System.map unavailable, (No such file or directory) | |
| Searched for library macro files: "/usr/local/share/systemtap/tapset/linux/*.stpm", found: 5, processed: 5 | |
| Searched for library macro files: "/usr/local/share/systemtap/tapset/*.stpm", found: 8, processed: 8 |
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| > build with kerl configurre option is: | |
| > KERL_CONFIGURE_OPTIONS="--disable-native-libs --enable-vm-probes --with-dynamic-trace=systemtap --with-ssl=/usr/local --enable-hipe --enable-kernel-poll --without-odbc --enable-threads --enable-sctp --enable-smp-support --enable-sharez-zlib --enable-dynamic-ssl-lib" | |
| > When i list the probes about erlang, the result is ok | |
| ``` | |
| ubuntu@ubuntu:~/systemtap$ stap -L 'process("/home/ubuntu/.kerl/builds/18.3_dtrace/release_18.3/erts-7.3/bin/beam.smp").mark("*")' |grep message | |
| process("/home/ubuntu/.kerl/builds/18.3_dtrace/release_18.3/erts-7.3/bin/beam.smp").mark("message__queued") $arg1:long $arg2:long $arg3:long $arg4:long $arg5:long $arg6:long | |
| process("/home/ubuntu/.kerl/builds/18.3_dtrace/release_18.3/erts-7.3/bin/beam.smp").mark("message__receive") $arg1:long $arg2:long $arg3:long $arg4:long $arg5:long $arg6:long |
developerworks
/ Example of simple SMPP session
Created
May 10, 2016 12:56
— forked from radetsky/Example of simple SMPP session
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| %% Author: Alex Radetsky <[email protected]> | |
| %% Module: Simple SMPP Server on Erlang, gen_fsm, ranch, smpp34pdu. | |
| %% It always authorize bind_transceiver and receives submit_sm | |
| -module(smpp_protocol). | |
| -behaviour(gen_fsm). | |
| -behaviour(ranch_protocol). | |
| -include_lib("smpp34pdu/include/smpp34pdu.hrl"). |
developerworks
/ migration.py
Created
April 27, 2016 08:42
— forked from lucperkins/migration.py
Migrate SQL table to Riak
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| import psycopg2 | |
| from riak import RiakClient, RiakObject | |
| from riak.datatypes import Set | |
| import datetime | |
| # Riak connection and set | |
| client = RiakClient(pb_port=8087) | |
| SETS_BUCKET = client.bucket_type('sets').bucket('key_sets') | |
| # Get columns for table |
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