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What's an elegant way to conditionally add a class to an HTML element in a view?
...lass_string(ok: @success) do %>
<% end %>
<% link_to "Hello", root_path, class: class_string(ok: @success) do %>
<% end %>
Either/Or Classes
For use cases where a ternary would be necessary (e.g. @success ? 'good' : 'bad'), pass an array where the first element is the class ...
How to include layout inside layout?
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Why put the TextView in a RelativeLayout and not as the root view?
– Florian Walther
Mar 27 '18 at 12:36
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What are the best practices for catching and re-throwing exceptions?
... if it bubbles all the way up and needs to be logged, you can trace to the root exception thrown (walk the chain) so you still have all the debugging information that you need!
Don't simply catch and rethrow the same exception unless you need to do some post-processing. But a block like } catch (E...
Maven project.build.directory
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...so project.base.dir points to the root directory of the project where the pom.xml is. That's why after that, project.build.directory defined by Maven is ${project.basedir}/target. Thanks guys, I didn't know this.
– evaldeslacasa
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How to create ENUM type in SQLite?
I need to convert a table from MySQL to SQLite, but I can't figure out how to convert an enum field, because I can't find ENUM type in SQLite.
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What is the use of a private static variable in Java?
...:
public class Example {
private final static String JDBC_URL = "jdbc:mysql://localhost/shopdb";
private final static String JDBC_USERNAME = "username";
private final static String JDBC_PASSWORD = "password";
public static void main(String[] args) {
Connection conn = Driver...
Should the folders in a solution match the namespace?
...ough.
The rules we follow are:
Project/assembly name is the same as the root namespace, except for the .dll ending
Only exception to the above rule is a project with a .Core ending, the .Core is stripped off
Folders equals namespaces
One type per file (class, struct, enum, delegate, etc.) makes i...
Stop Excel from automatically converting certain text values to dates
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In my MySQL query (for CSV output through PHP), I used CONCAT('\t', column_name). Also did the trick. Thanks!
– Just Plain High
Jun 24 '16 at 14:39
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Hibernate: Automatically creating/updating the db tables based on entity classes
...>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
</props>
</property>
</bean>
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What Java ORM do you prefer, and why? [closed]
...ented data models. Instead, your company runs several instances of Oracle, MySQL, MSSQL, DB2 or any other RDBMS.
SQL has a structure and syntax. It should not be expressed using "low-level" String concatenation in JDBC - or "high-level" String concatenation in HQL - both of which are prone to hold s...