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JavaScript: What are .extend and .prototype used for?
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Javascript's inheritance is prototype based, so you extend the prototypes of objects such as Date, Math, and even your own custom ones.
Date.prototype.lol = function() {
alert('hi');
};
( new Date ).lol() // alert message
In the snippet above, I define a met...
Ansible: Set variable to file content
...suggesting it)
vars:
amazon_linux_ami: "ami-fb8e9292"
user_data_file: "base-ami-userdata.sh"
tasks:
- name: Load data
slurp:
src: "{{ user_data_file }}"
register: slurped_user_data
- name: Decode data and store as fact # You can skip this if you want to use the right hand side directly.....
How to parse JSON using Node.js? [closed]
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here, i've published a demo where you can see and play with this answer online (the parsing example is in app.js file - then click on the run button and see the result in the terminal): link you can modify the code and see the impact...
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Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...ation from Android community
Worked for me, sort of.. .
(Windows 8.1 Pro 64 Bit, Java JDK 1.7 Update 25, Eclipse Standard Kepler Service Release 1, Android Development Toolkit 22.6.0.v201403010043-1049357)
Update 1
Further research revealed that launching AVD Manager from SDK Manager (Tools --&g...
This type of CollectionView does not support changes to its SourceCollection from a thread different
...
public AsyncObservableCollection(IEnumerable<T> list)
: base(list)
{
}
protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
{
if (SynchronizationContext.Current == _synchronizationContext)
{
// Execute the Col...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...in {
width:calc(100% - 400px);
}
}
Working Bootstrap Fixed-Fluid Demo
Bootstrap 4 will has flexbox so layouts like this will be much easier: http://www.codeply.com/go/eAYKvDkiGw
share
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i...
Regex lookahead, lookbehind and atomic groups
...s. They check for a regex (towards right or left of the current position - based on ahead or behind), succeeds or fails when a match is found (based on if it is positive or negative) and discards the matched portion. They don't consume any character - the matching for regex following them (if any), ...
Absolute positioning ignoring padding of parent
...kground-color: gray;">css sux</div>
</div>
</div>
Demo: https://jsfiddle.net/soxv3vr0/
How to generate a Dockerfile from an image?
... imagelayers.io seems to be broken. It can't find any image including its demo ones
– Robert Lugg
Dec 10 '19 at 22:28
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show 6 more comment...
What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]
When storing latitude or longitude data in an ANSI SQL compliant database, what datatype would be most appropriate? Should float be used, or decimal , or ...?
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