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How to test if a double is an integer
...ays has an int value, so if your variable is equal to Math.floor(variable) then it must have an int value.
This also doesn't work if the value of the variable is infinite or negative infinite hence adding 'as long as the variable isn't inifinite' to the condition.
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How to make connection to Postgres via Node.js
...stalled postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is.
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Show loading image while $.ajax is performed
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This is much usefull and universal then approved solution. Thank You.
– Eryk Wróbel
May 9 '18 at 11:02
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Git 'fatal: Unable to write new index file'
...rned to a previous index file, re-added and re-committed all changes since then)
– trust_words
Jun 11 '18 at 9:21
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Rails raw SQL example
...s_array = ActiveRecord::Base.connection.execute(sql)
records_array would then be the result of your sql query in an array which you can iterate through.
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What is the purpose of the implicit grant authorization type in OAuth 2?
...ared to the Authorization Code Grant, it seems to just give up on client authentication for no very compelling reason. How is this "optimized for clients implemented in a browser using a scripting language" (to quote the specification)?
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JavaScript module pattern with example [closed]
...at is namespace?
Now if we add the namespace to the above piece of code then
var anoyn = (function() {
}());
What is closure in JS?
It means if we declare any function with any variable scope/inside another function (in JS we can declare a function inside another function!) then it will coun...
When to use an object instance variable versus passing an argument to the method
...your class. If your instance data can be used to help describe the object, then it's probably safe to bet it's a good choice for instance data.
Local variables are used within the scope of methods to help them complete their work. Usually, a method should have a purpose of getting some data, returni...
Recommended SQL database design for tags or tagging [closed]
...zy but could work). I've even heard someone recommend a sparse matrix, but then how do the tag names grow gracefully?
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
...-string in a string in the most efficient way.
is there another way other then the brute force way of replacing each field using string.replace ?
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