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convert String to DateTime
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DateTime.strptime allows you to specify the format and convert a String to a DateTime.
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How to echo with different colors in the Windows command line
I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color.
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Adding an identity to an existing column
I need to change the primary key of a table to an identity column, and there's already a number of rows in table.
19 Answe...
How to properly reuse connection to Mongodb across NodeJs application and modules
I've been reading and reading and still am confused on what is the best way to share the same database (MongoDb) connection across whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file wh...
How to find duplicates in 2 columns not 1
...composite key between the two fields. This will require a unique stone_id and upcharge_title for each row.
As far as finding the existing duplicates try this:
select stone_id,
upcharge_title,
count(*)
from your_table
group by stone_id,
upcharge_title
having coun...
Create module variables in Ruby
...ports class variables in modules, so you can use class variables directly, and not some proxy or pseudo-class-variables:
module Site
@@name = "StackOverflow"
def self.setName(value)
@@name = value
end
def self.name
@@name
end
end
Site.name # => "StackOverflow"
Sit...
How to find out which JavaScript events fired?
...ts that have already been attached by simply right clicking on the element and then browsing its properties (the panel on the right).
For example:
Right click on the upvote button to the left
Select inspect element
Collapse the styles section (section on the far right - double chevron)
Expand the...
How do I prevent site scraping? [closed]
...ther music sites scraping our site's data (I enter dummy Artist names here and there and then do google searches for them).
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How to determine the encoding of text?
... FAQ:)
However, some encodings are optimized
for specific languages, and languages
are not random. Some character
sequences pop up all the time, while
other sequences make no sense. A
person fluent in English who opens a
newspaper and finds “txzqJv 2!dasd0a
QqdKjvz” will instan...
From inside of a Docker container, how do I connect to the localhost of the machine?
...nnect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine.
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