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Synthetic Class in Java
...JVM during run time for its execution purpose are called Synthetic
http://www.javaworld.com/article/2073578/java-s-synthetic-methods.html
http://javapapers.com/core-java/java-synthetic-class-method-field/
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How do you create a REST client for Java? [closed]
...ustomer(Customer customer) {
try {
URL url = new URL("http://www.example.com/customers");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setInstanceFollowRedirects(false);
connection....
How do I automatically update a timestamp in PostgreSQL
...when the record is changed. This article explains it quite nicely:
http://www.revsys.com/blog/2006/aug/04/automatically-updating-a-timestamp-column-in-postgresql/
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$...
For loop example in MySQL
... |
+-------------------+
1 row in set (0.00 sec)
Do the tutorial: http://www.mysqltutorial.org/stored-procedures-loop.aspx
If I catch you pushing this kind of MySQL for-loop constructs into production, I'm going to shoot you with the foam missile launcher. You can use a pipe wrench to bang in a ...
Update R using RStudio
... the update.packages(function).
So, in order to install R,
go to http://www.r-project.org,
click on 'CRAN',
then choose the CRAN site that you like. I like Kansas: http://rweb.quant.ku.edu/cran/.
click on 'Download R for XXX' [where XXX is your operating system]
follow the installation procedur...
How do I get the user agent with Flask?
...ng
'en-US'
Detailed information about 'accept_language" header: https://www.w3.org/International/questions/qa-lang-priorities
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Serialize an object to string
...t;?xml version="1.0" encoding="utf-16"?>
<UserData xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<UserId>0</UserId>
</UserData>
Better solution is to use JSON serialization (one of the best is Json.NET)....
Using IoC for Unit Testing
...cking container extension comes in handy when using this technique:
http://www.agileatwork.com/auto-mocking-unity-container-extension/
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preventDefault() on an tag
...d>
<body>
<div>
<ul>
<li><a href="http://www.google.com">Google</a></li>
<li><a href="http://www.facebook.com">Facebook</a></li>
<p id="p1">Paragraph</p>
</ul>
</div>
<p>By Jefrey Bulla<...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
... difference between GENERATED BY DEFAULT and GENERATED ALWAYS, see https://www.cybertec-postgresql.com/en/sequences-gains-and-pitfalls/.
For altering the sequence, see https://popsql.io/learn-sql/postgresql/how-to-alter-sequence-in-postgresql/.
...