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JavaScript string newline character?
...or instance, returning to the beginning of the line in a console window in order to overwrite the line, without moving to the next line. This is often used to write changing percent progress indicators in command line utilities.
– Dan Bechard
Nov 9 '15 at 15:55...
How do you return the column names of a table?
...umns.id
where sysobjects.xtype = 'u'
and sysobjects.name = 'MyTableName'
order by syscolumns.name
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Method Overloading for null argument
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Cast int to varchar
...ldn't rely on the MySQL engine to be that smart (no offense to MySQL). In order to be sure you get the proper length, I would always explicitly provide one.
– Taryn♦
Jun 4 '14 at 12:49
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Understanding Spring @Autowired usage
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How to view the SQL queries issued by JPA?
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In order to view all the SQL and parameters in OpenJPA, put these two parameters in the persistence.xml:
<property name="openjpa.Log" value="DefaultLevel=WARN, Runtime=INFO, Tool=INFO, SQL=TRACE"/>
<property name="open...
ActionController::InvalidAuthenticityToken
...ts some headers with more information about the original client request in order to be able to apply various processing tasks and security measures.
More details are available here: https://github.com/rails/rails/issues/22965.
TL;DR: the solution is to add some headers:
upstream myapp {
server ...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...on selector.
You can use :not to exclude any subset of matched elements, ordered as you would normal CSS selectors.
Simple example: excluding by class
div:not(.class)
Would select all div elements without the class .class
div:not(.class) {
color: red;
}
<div>Make me red!</d...
Importing two classes with same name. How to handle?
...e should use fully qualified names of the classes (that have same name) in order to make it clear which class we are referring too.
:)
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What can be the reasons of connection refused errors?
... not specifying the port number when binding or connecting in network byte order...
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