In your webpack config you can use the externals option which will import the module from the environment instead of trying to resolve it normally: // webpack.config.js module.exports = { externals: { ‘react’: ‘React’ } … }; Read more here: https://webpack.js.org/configuration/externals/
One liner if you are in app root rails r “puts Rails.env”
It will cause Javascript errors, terminating the execution of the block of Javascript containing the error. You could, however, define a dummy function that’s a no-op when Firebug is not active: if(typeof console === “undefined”) { console = { log: function() { } }; } If you use any methods other than log, you would … Read more
Here is another question to look at: Are there any security issues leaving the PDB debug files on the live servers? And more info on PDB files: PDB Files: What Every Developer Must Know In general, I always include pdb files in my deployments, the gains are too huge to ignore. If you never expose … Read more
It’s better to use master branch only for Production and development branch for Staging. Each developer should create local branch to add new features and then merge with development branch. If you’re new to a git, try to use – http://github.com/nvie/gitflow There is also good picture describing git branching model – http://nvie.com/posts/a-successful-git-branching-model/
Go programs can listen on port 80 and serve HTTP requests directly. Instead, you may want to use a reverse proxy in front of your Go program, so that it listens on port 80 and and connects to your program on port, say, 4000. There are many reason for doing the latter: not having to … Read more
[2017] Update: MySQL 5.6 has support for online index updates https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-operations.html#online-ddl-index-syntax-notes In MySQL 5.6 and higher, the table remains available for read and write operations while the index is being created or dropped. The CREATE INDEX or DROP INDEX statement only finishes after all transactions that are accessing the table are completed, so that the … Read more
Update: 2019-03-11 First of all thanks for those who have upvoted this answer over the years. Please be aware that this question was asked in August 2013, when Docker was still a very new technology. Since then: Kubernetes was launched on June 2014, Docker swarm was integrated into the Docker engine in Feb 2015, Amazon … Read more
Maybe you have no Comments record with such primary key, then you should use this code: try: comment = Comment.objects.get(pk=comment_id) except Comment.DoesNotExist: comment = None
You can use this function isDevMode import { isDevMode } from ‘@angular/core’; … export class AppComponent { constructor() { console.log(isDevMode()); } } One note: be carefull with this function if(isDevMode()) { enableProdMode(); } You will get Error: Cannot enable prod mode after platform setup https://github.com/angular/angular/blob/2.0.0/modules/%40angular/core/src/application_ref.ts#L58 Other options environment variable import { environment } from ‘src/environments/environment’; … Read more