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Regular expression for a hexadecimal number?
...g with a 0, following by either a lower or uppercase x, followed by one or more characters in the ranges 0-9, or a-f, or A-F
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...d("ViewModelCopyOfSomeProperty");
}
But typically this is only needed if more than one object will be making changes to the Model's data, which is not usually the case.
If you ever have a case where you don't actually have a reference to your Model property to attach the PropertyChanged event to ...
Android splash screen image sizes to fit all devices
...n the device. So you basically have to design 4 different images (although more can be developed for different formats such as widescreen, portrait/landscape mode, etc).
With that in mind know this: unless you design a screen for every single resolution that is used in Android, your image will stre...
Is there an easy way to create ordinals in C#?
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Update or Insert (multiple rows and columns) from subquery in PostgreSQL
...ut throwing an error (independently for each row). I think that would be a more complete solution to the question (for example: stackoverflow.com/a/6527838/781695)
– user
Dec 24 '14 at 5:08
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Can I use multiple “with”?
...d they are not tables. These are CTEs - Common Table Expressions. They are more like... named queries that you can use as if they were tables... or rather more like views. Please google them. They are neat. It is one of the best standard SQL features, helping enormously to keep complex queries under...
What is the maximum length of data I can put in a BLOB column in MySQL?
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A BLOB can be 65535 bytes (64 KB) maximum.
If you need more consider using:
a MEDIUMBLOB for 16777215 bytes (16 MB)
a LONGBLOB for 4294967295 bytes (4 GB).
See Storage Requirements for String Types for more info.
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...e not returned by the command:
Making the Triple-Dot Commit Range ... More Useful
You can make the triple-dot commit range ... more useful in a log command by using the --left-right option to show which commits belong to which branch:
$ git log --oneline --decorate --left-right --graph master...
How to efficiently count the number of keys/properties of an object in JavaScript?
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Expand div to max width when float:left is set
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