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Dealing with float precision in Javascript [duplicate]
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From this post: How to deal with floating point number precision in JavaScript?
You have a few options:
Use a special datatype for decimals, like decimal.js
Format your result to some fixed number of significant digits, li...
How to set DOM element as the first child?
...use
targetElement.insertAdjacentElement('afterbegin', newFirstElement)
From MDN :
The insertAdjacentElement() method inserts a given element node at a given position relative to the element it is invoked upon.
position
A DOMString representing the position relative to the element; m...
Android Text over image
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You may want to take if from a diffrent side: It seems easier to have a TextView with a drawable on the background:
<TextView
android:id="@+id/text"
android:background="@drawable/rounded_rectangle"
android:l...
How to concatenate multiple lines of output to one line?
... through php exec function. It was ignoring tr, and just giving last match from grep. | xargs worked.
– Adarsha
Mar 26 '15 at 17:07
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Apache redirect to another port
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I wanted to do exactly this so I could access Jenkins from the root domain.
I found I had to disable the default site to get this to work. Here's exactly what I did.
$ sudo vi /etc/apache2/sites-available/jenkins
And insert this into file:
<VirtualHost *:80>
ProxyP...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...of radix that Number() doesn't know of and parseInt() may indirectly guess from the given string (that can cause weird results sometimes).
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improve this answer
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follo...
Date.getDay() javascript returns wrong day
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Here's more: function getMonth returns an integer from 0 to 11, with 0 for January and 11 for December. They must be smoking some heavy stuff over there
– taralex
Jul 21 '16 at 21:04
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Why do we usually use || over |? What is the difference?
... If you add in about possible null reference exception using | from @Jeremy's comment then this is great answer.
– Peter Kelly
Aug 18 '11 at 7:55
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How to add to an existing hash in Ruby
... have keys of nearly any type you can throw at it. This makes it different from the dictionary structures you find in other languages.
It's important to keep in mind that the specific nature of a key of a hash often matters:
hash = { :a => 'a' }
# Fetch with Symbol :a finds the right value
has...
How to run a background task in a servlet based web application?
...tting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet continuously running for that.
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