Let's see an example of exercise you can face during a job interview, and let's use it to understand some concepts about code optimization, time complexity and the famous Big-O notation ...

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I've just released a new django package: django-subject-imagefield.

Basically, it is an enhanced version of the core ImageField, which adds support for the subject location feature.

You may specify a subject_location model field (as you can do for the width and ...

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So you've run

$ react-native run-ios

and you got:

Command failed: /usr/libexec/PlistBuddy -c Print:CFBundleIdentifier build/Build/Products/Debug-iphonesimulator/MYAPP.app/Info.plist
Print: Entry, ":CFBundleIdentifier", Does Not Exist

TL;DR

Just stop running that command again and again and try to build the project directly from xcode, you'll grasp more detailed information.

Tip

This is fucking pain ...

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Hola gente,

This short post just to let you know that I've just updated all dependencies to their last stable releases in my django cookiecutter template.

I could finally power up django 2.1.5, since every package I use ...

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React Virtualized is a nice lib providing interesting components used to manage large amount of data.

It is also quite well documented and comes with some examples, but the components are somewhat complex at a first sight, and it's not a 5 minutes lib, in a world when you have 10 minutes to develop an entire project. So it may be scaring at the beginning, but if you just have the time to fully understand how it works you'll see ...

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Have you ever need to mock some sort of websocket endpoint during the early stage of development of an application? I do. I could easily mock REST apis with json-server, but then I had to wrote something allowing me to mock sokects also.

The result is ws-server-ftw (ws-server was taken on npm, uh). Let's start with a screencast...

Basically, ws-server-ftw provides a way to easily mock websocket endpoints, serving a json file or a js file exporting an object. Using ...

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Hamster is a gnome time tracker application which aims to increase your productivity by monitoring the time spent on different projects and activities. It's quite simple, its usage is straightforward and I think this is it's greatest feature!

Hamster let's you export your data in html format, but the default template isn't very attractive, this is the reason I spent some time to create a new report template based on semantic UI.

You can find it on my github account ...

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Sometimes it may be usefull to access the redux store also in the remote deployed application.

Here are 3 simple steps you may use to accomplish it with google chrome:

1. Install react developer tools
2. Select the Provider component in the react inspector tab
3. Open your console, digit $r.props.store.getState()

Done

Sometimes may happen you need to customize a bit more than usual your django admin interface. Maybe because you need a different dashboard approach, or you just need to aggregate functionalities in a way which differs from a pure CRUD interface. Anyway, if possible, you try to keep the change and delete form code of the django admin, because you really are too lazy to rewrite all the add/change/delete stuff.

In such a situation I found myself searching ...

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Every developer have to deal with backups. In the linux world the most used tool is probably rsync, and often it is run through rsnapshot, which lets you create incremental snapshots of your directories.

Almost any developer will not have any problems configuring and running rsnapshot through the command line and add it to the crontab schedule, but what if one of your clients asks for a way to download manually a backup of their application?

You could solve this ...

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