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Managing CSS Explosion
...he QA page example again:
#navigation
#question
#answers
#answers .answer
etc.
By splitting the page into components, you split your work into manageable units.
Put rules with a cumulative effect on the same line.
For example border, margin and padding (but not outline) all add to the dimension...
What does `node --harmony` do?
...nable all the harmony features (e.g. --harmony_scoping, --harmony_proxies, etc.) From this blog post, it seems harmony enables new ECMAScript 6 features in the language. The reason your file won't run without harmony is because app.js is probably using non-backward compatible features from the new E...
How do I use a file grep comparison inside a bash if/else statement?
... was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "master", etc.
This wor...
Architecture of a single-page JavaScript web application?
...g, History, Bookmarking
Unit Testing
Localization
Document Generation
etc.
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Why do we need private subnet in VPC?
...are an instance on a "public" subnet, then you need a public IP address in order to do a significant number of things that servers commonly need to do.
For instances with only a private IP address, there's an alternate way of outbound access to the Internet. This is where Network Address Translati...
How to make overlay control above all other controls?
...vas.Top="200" Canvas.Left="200" Fill="green"/>
<!-- Reverse the order to illustrate z-index property -->
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="300" Canvas.Left="200" Fill="green"/>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canva...
How to check if PHP array is associative or sequential?
...structures/array-in-programming I'm not sure is the key must be ascending order? (0, 1, ...)
– vee
May 21 '19 at 16:42
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show 4 more commen...
How do I find a default constraint using INFORMATION_SCHEMA?
...ven column. (For non-SQL Server users, you need the name of the default in order to drop it, and if you don't name the default constraint yourself, SQL Server creates some crazy name like "DF_TableN_Colum_95AFE4B5". To make it easier to change your schema in the future, always explicitly name your c...
How do you perform a left outer join using linq extension methods
...
You need to remember to Order your joined table or the .FirstOrDefault() is going to get a random row from the multiple rows that might match the join criteria, whatever the database happens to find first.
– Chris Moschini
...
What are deferred objects?
...ynchronous nature leads to a problem when you want to execute things in an order, for example, you want to print something after Y (asynch) is done executing or done fetching data. Here jQuery provide us with Deffered Object. Basically, jQuery has taken care of all boilerplate code that usually we w...