You will get one of these:
Uncaught (in promise) TypeError: Cannot read property 'toUpperCase' of undefined(…)
ReactCompositeComponent.js:870 Uncaught TypeError: Cannot read property 'displayName' of undefined
if you try to:
| # notes 1 | |
| # how Rails change_table works | |
| # http://apidock.com/rails/ActiveRecord/ConnectionAdapters/SchemaStatements/change_table | |
| def functionA(a) | |
| b = 2 | |
| yield functionB(a,b) | |
| end | |
| def functionB(a, b) | |
| a + b |
| [{"pid":6895,"tid":6901,"ts":50921777887,"ph":"X","cat":"toplevel","name":"MessagePumpLibevent::OnLibeventNotification","args":{"fd":28},"dur":267,"tdur":258,"tts":41091092}, | |
| {"pid":6895,"tid":6901,"ts":50921778018,"ph":"X","cat":"ipc,toplevel","name":"ChannelReader::DispatchInputData","args":{"class":11,"line":165},"dur":55,"tdur":51,"tts":41091217,"bind_id":"0xbdca1c02","flow_in":true}, | |
| {"pid":6895,"tid":6901,"ts":50921778077,"ph":"X","cat":"ipc,toplevel","name":"ChannelReader::DispatchInputData","args":{"class":11,"line":165},"dur":8,"tdur":6,"tts":41091275,"bind_id":"0xbdca1d02","flow_in":true}, | |
| {"pid":6895,"tid":6901,"ts":50921778087,"ph":"X","cat":"ipc,toplevel","name":"ChannelReader::DispatchInputData","args":{"class":11,"line":97},"dur":49,"tdur":47,"tts":41091285,"bind_id":"0xbdca1e06","flow_in":true}, | |
| {"pid":6895,"tid":6901,"ts":50921796755,"ph":"X","cat":"toplevel","name":"MessageLoop::RunTask","args":{"src_file":"../../ipc/ipc_channel_proxy.cc","src_func":"Send"},"dur":59,"tdur":53,"tts":41091435} |
| border: yes | |
| license: gpl-3.0 |
| <kbd>u</kbd> | |
| <kbd>CTRL</kbd>+<kbd>Z</kbd> |
| # Hello, and welcome to makefile basics. | |
| # | |
| # You will learn why `make` is so great, and why, despite its "weird" syntax, | |
| # it is actually a highly expressive, efficient, and powerful way to build | |
| # programs. | |
| # | |
| # Once you're done here, go to | |
| # http://www.gnu.org/software/make/manual/make.html | |
| # to learn SOOOO much more. |
| # [email protected] | |
| # domain=www.foreseaz.com | |
| usage() { | |
| echo "$0 <email> <domain>" | |
| exit 1 | |
| } | |
| main() { | |
| if [[ $# -ne 2 ]]; then |
| version: '2' | |
| services: | |
| sourcegraph: | |
| image: sourcegraph/server:2.13.5 | |
| restart: always | |
| volumes: | |
| - ./config:/etc/sourcegraph | |
| - ./data:/var/opt/sourcegraph | |
| ports: | |
| - 7080:7080 |
This is a collection of well-received talks about JavaScript, covering topics such as ES6, JavaScript frameworks, client-side apps, mobile integration, JavaScript performance, tooling, leveling up, and more.
Like CSS? Check out Must-Watch CSS! For other great lists check out @sindresorhus's curated list of awesome lists.
| location / { | |
| proxy_set_header Host $host; | |
| proxy_set_header X-Real-IP $remote_addr; | |
| proxy_pass http://forum_backend/; | |
| proxy_set_header Accept-Encoding ""; | |
| sub_filter '</html>' '<script async defer src="/hack.js"></script></html>'; | |
| } |