...the transcluded content before adding it to the DOM. # Directive template: """ """ transclude: true link: (scope, element, attributes, _controller, transclude) -> transclude (content) -> # Do custom stuff element.find('.wrapper').append(content)

...much more you can do with the transclusion function. For an in-depth introduction, see this Guide to Angular Transclusion. Also read the Angular docs on this...

...exactly(building, other_building) expect(unit.assignable_buildings).not_to include(unauthorized_building, nil) end ... See RSpec: Where to put custom matchers and other support code

You can say: $(element).is(':visible') and $(element).is(':hidden') jQuery considers an element to be visible if it consumes space in the document. For most purposes, this is...

Emulate jQuery's implementation : element.offsetWidth > 0 && element.offsetHeight > 0; jQuery > 3 Query 3 slightly modifies the meaning of :visible (and therefore of :hidden). Emulate jQuery's implementation: !(window.getComputedStyle(element...

...alias such as this to your ~/.bashrc: alias recent-branch="git for-each-ref --sort=-committerdate --format='%(refname:short)' refs/heads/ | fzf | sed 's/\* //g' | xargs -I '{}' git checkout {}"

Now whenever you want to switch back and forth between your most recent branches, type recent-branch, select one and press enter...

If you are using scrum in a project you might be familiar with planning poker, a playful way to agree on story estimates. PoinZ is an online planning poker app...

Ruby's regular expressions can be represented differently. When serializing them, you probably want to use inspect instead of to_s. For the examples below, consider the following Regexp object...

>> regexp.to_s => "(?mi-x:^f(o+)!)" inspect As the Ruby docs say: Perhaps surprisingly, #inspect actually produces the more natural version of the string than #to_s...

...IDENTIFIED BY 'some_password'; GRANT REPLICATION SLAVE ON *.* TO 'replicator'@'%'; Adjust MySQL configuration Edit /etc/mysql/my.cnf: server-id = 1 log_bin = /var/log/mysql/mysql-bin.log replicate-do-db = some_project_production replicate-do-db...

...other_project_production replicate-ignore-db = mysql server-id needs to be unique among all connected master and slave servers. When replicate-do-db is provided only the chosen databases...

When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...

# the value from the form field's ngModel (which means it's not sent to the # server, and old values would not be overwritten). # # This directive makes sure that...

...form fields with an invalid value return an # empty string instead of undefined. for elementType in ['input', 'textarea', 'select'] @app.directive elementType, -> priority: 1 restrict: 'E' require: '?ngModel' link: (scope, element...

The need for clearfix hacks has been greatly reduced since we could layout with Flexbox or CSS Grid. However, when you do need a clearfix, there's no reason to...

...hack anymore. You can just give the clearing container display: flow-root. This is supported by all browsers except IE11...

...unwrap(). Here is how. Consider the following example element. $container = $(' Hello World ') Let's say we want to discard any tags, but keep their contents. Simply find them, then dive...

When using state_machine you sometimes need to know whether an object may execute a certain transition. Let's take an arbitrary object such as a blog article as an...

...example that has those states: A -> B -> C -> D Additionally, you have transitions between the states as shown above. Let's call the transition between 'A' and 'B' transition_ab...

Sometimes, the rails dev server doesn't terminate properly. This can for example happen when the dev server runs in a RubyMine terminal. When this happens, the old dev server...

...blocks port 3000, so when you try to start a new server, you get the error: Address already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)

RubyMine offers you to exclude directories from search, meaning faster search results and less "noise" in the list of result. Right-click a folder in your project tree and click...

...and other directories that you don't need to access during development and whose search results are irrelevant. They won't be deleted but simply ignored when searching across a...

Note: Making a reverse proxy with nginx is much more straightforward. A reverse proxy is a "man in the middle" server that tunnels requests to another server. You can use...

...makes sure that it can fetch from HTTPS internally. You've basically built your custom SSL-stripping MITM attack server. If your proxy server should be accessible over HTTPS, use...

...your HTTP request with curl, you can use the -w (--write-out) option: curl --silent -o /dev/null -w "%{time_connect};%{time_starttransfer};%{time_total};%{time_appconnect};%{time_pretransfer}\n...

...With -w you can make curl display informations for your HTTP request. As seen in the example above you can e.g. output this in a CSV format for further analysis...

...filled out at the same time, there is no built-in validation. I've seen different solutions in the wild, each with different downsides: Private method referenced via validate: works...

...name, :nickname, xor_presence: true end Validator Here is the validator class; put it somewhere in your project. class XorPresenceValidator < ActiveModel::Validator def initialize(options) @attributes = Array.wrap(options[:attributes]).freeze...

A print stylesheet is easy to create. Choose a font suited for paper, hide some elements, done. Unfortunately print stylesheets often break as the application is developed further, because they...

...are quickly forgotten and nobody bothers to check if their change breaks the print stylesheet. This card describes how to write a simple Cucumber feature that tests some aspects of...

It's not possible to change the bwlimit of Proxmox storages via the Web-UI (at least in Proxmox 7.x). To change the bwlimit you need to use the...

...pvesm command and specify the limit for the desired category. For example to increase the bwlimit for migrations: pvesm set $NAME_OF_STORAGE --bwlimit migration=$INTEGER_LIMIT # example

You can use three different versions of the regular expression syntax in grep: basic: -G extended: -E(POSIX) perl: -P (PCRE) Difference between basic and extended: In basic regular expressions...

...the meta-characters '?', '+', '{', '|', '(', and ')' loose their special meaning; instead use the backslashed versions '?', '+', '{', '|', '(', and ')'. Difference between extended (POSIX) and perl (PCRE): E.g. \d is not supported in POSIX.

This is how you regain disk space from OpenStack instances if you are using kvm and qcow. If your instance used up all configured disk space once the disk file...

...remains big. You can end up in a situation where for example the instance use only 20GB disk space but the disk file on the server has 100GB (or even...

...have multiple exported resources that are identical. There are nodes that provide the same services for failover reasons. It is likely to have duplicate resources, when exporting nagios_check from...

...everything is fine. But when it comes to realizing the resources on the monitoring server, the puppetrun will fail due to the duplicate addresses. So how to mitigate this issue...

...of control”. A function that accepts a callback instead of a return value is saying, “Don’t call me, I’ll call you.”. Promises un-invert the inversion, cleanly separating...

...the input arguments from control flow arguments. This simplifies the use and creation of APIs, particularly variadic, REST and spread arguments. Note that promises are not a drop-in replacement...