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Escaping keyword-like column names in Postgres
...es, or you can specify schema name with dot concatenation.
Let's Suppose, order is the keyword registered by Postgres. And in some scenarios, you must have to use this keyword as a table name.
At that time, Postgres will allow you to create a table with keywords. That is the beauty of Postgres.
T...
Draw a perfect circle from user's touch
...emove that limitation. Please note you'll need to use a circular buffer in order to detect a full shape:
Clockwise and counterclockwise
In order to support both modes you will need to use the circular buffer from the previous enhancement and search in both directions:
Draw an ellipse
You ha...
How to render and append sub-views in Backbone.js
... }
});
This is similar to your first example, with a few changes:
The order in which you append the sub elements matters
The outer view does not contain the html elements to be set on the inner view(s) (meaning you can still specify tagName in the inner view)
render() is called AFTER the inner ...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...environment variable for the secret_key_base in your production server. In order to solve this error you should follow these steps to create an environment variable for Linux (in my case Ubuntu) in your production server:
In the terminal of your production server execute:
$ RAILS_ENV=production r...
FileNotFoundException while getting the InputStream object from HttpURLConnection
...ing to send a SOAP request header to a SOAP service. The issue was a wrong order in the code, I requested the input stream first before sending the XML body. In the code snipped below, the line InputStream in = conn.getInputStream(); came immediately after ByteArrayOutputStream out = new ByteArrayOu...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
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Try this
Change the order of files it should be like below..
<script src="js/jquery-1.11.0.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/wow.min.js"></script>
...
How do I create a Bash alias?
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@Mischinab No, the file just needs to be readable in order for Bash to read it as its configuration file. Making it executable is technically harmless but unnecessary. I would discourage it on nontechnical grounds (you might end up confusing yourself and/or others).
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...revents any external access by default. These steps are always required in order to access MySQL from any remote machine.
– Luis Crespo
May 7 '18 at 14:26
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MySQL high CPU usage [closed]
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How to replace text between quotes in vi
...rently surround the cursor, are in front of the cursor, or behind (in that order of preference). In other words, it jumps forward or backwards when needed to reach the quotes.
It's easier to understand by looking at examples (the cursor is shown with |):
Before: foo '1, |2, 3' bar; after pressin...