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Storing money in a decimal column - what precision and scale?
...es are stored using an integer for the smallest unit.
class Currency {
String code; // eg "USD"
int value; // eg 2500
boolean converted;
}
class Price {
Currency grossValue;
Currency netValue;
Tax taxRate;
}
In the database, the values are stored as a string in ...
Create a tag in a GitHub repository
...ight tag.
Annotated tags are recommended, because they include a lot of extra information such as:
the person who made the tag
the date the tag was made
a message for the tag
Because of this, you should always use annotated tags.
...
How do I rename a project in Xcode 5?
...t will include the info.plist and various files, but also all the relevant strings from nib/xib files like MainMenu menus.
Accept the changes and you will get the prompt to save a snapshot of the project.
Always make a snapshot when Xcode asks, it will be useful to restore if something does not wor...
LINQ Ring: Any() vs Contains() for Huge Collections
...re properties. With .Contains you can just compare objects and you need an extra IEqualityComparer to compare properties.
– msfanboy
Feb 4 '11 at 20:23
...
How can I add a help method to a shell script?
...d your option to accept an argument, then you should definitely go for the extra complexity of using getopts.
As a quick reference, I like The 60 second getopts tutorial.†
You may also want to consider the getopt program instead of the built in shell getopts. It allows the use of long options, a...
How to Set Variables in a Laravel Blade Template
... (for instance) an operator such as ==.
@if ($variable = 'any data, be it string, variable or OOP') @endif
Then you can use it anywhere you can use any other variable
{{ $variable }}
The only downside is your assignment will look like a mistake to someone not aware that you're doing this as a ...
How to convert java.util.Date to java.sql.Date?
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bun...
Size-limited queue that holds last N elements in Java
... of these limited-size queues, like that: Map<Long, LimitedSizeQueue<String>>.
– GreyCat
Apr 15 '11 at 10:52
...
Should MySQL have its timezone set to UTC?
...MySQL datetime fields and daylight savings time -- how do I reference the "extra" hour?
Converting negative values from FROM_UNIXTIME
Sources:
https://bugs.mysql.com/bug.php?id=68861
http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html
http://dev.mysql.com/doc/refman/5.1/en/dateti...
When to Redis? When to MongoDB? [closed]
...lets you give it a key and look up a single value. Redis itself can store strings, lists, hashes, and a few other things; however, it only looks up by name.
Cache invalidation is one of computer science's hard problems; the other is naming things. That means you'll use Redis when you want to avoi...