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How to update two tables in one statement in SQL Server 2005?
...se a transaction to make sure that two UPDATE statements are treated atomically. You can also batch them to avoid a round trip.
BEGIN TRANSACTION;
UPDATE Table1
SET Table1.LastName = 'DR. XXXXXX'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
UPDATE Table2
SET Table2.WAprr...
C# 3.0 auto-properties — useful or not? [closed]
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We use them all the time in Stack Overflow.
You may also be interested in a discussion of Properties vs. Public Variables. IMHO that's really what this is a reaction to, and for that purpose, it's great.
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
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@MykhayloAdamovych: No, that's actually not quite right. If Branch doesn't have a property which references Company, but the underlying table has a column which does, then you can use @JoinTable to map it. This is an unusual situation, because you would normal...
Mercurial error: abort no username supplied
Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
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What's the difference between encoding and charset?
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Basically:
charset is the set of characters you can use
encoding is the way these characters are stored into memory
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How to generate Class Diagram (UML) on Android Studio (IntelliJ Idea)
... a free plugin that can generate class diagrams with android studio.
It's called SimpleUML.
Update Android Studio 2.2+:
To install the plugin, follow steps in this answer: https://stackoverflow.com/a/36823007/1245894
Older version of Android Studio
On Mac: go to Android Studio -> Preferences -&...
Why do we use Base64?
...omputing.
Computers communicate in binary - 0s and 1s - but people typically want to communicate with more rich forms data such as text or images. In order to transfer this data between computers it first has to be encoded into 0s and 1s, sent, then decoded again. To take text as an example - the...
Building a notification system [closed]
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(Add time fields where you see fit)
This is basically for grouping changes per object, so that you could say "You have 3 friend requests". And grouping per actor is useful, so that you could say "User James Bond made changes in your bed". This also gives ability to translate...
Which annotation should I use: @IdClass or @EmbeddedId
... a clear notion of the fields that make the composite key because they are all aggregated in a class that is accessed trough a field access operator.
Another difference with @IdClass and @EmbeddedId is when it comes to write HQL :
With @IdClass you write:
select e.name from Employee e
and with @...
How do I reformat HTML code using Sublime Text 2?
...HTML code that I'd like to reformat. Is there a command that will automatically reformat HTML code in Sublime Text 2 so it looks better and is easier to read?
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