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Importing two classes with same name. How to handle?
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If you're using Eclipse, you can change the name of your.own.Date using ctrl+shift+R. This will automatically change it everywhere you refer to it in your code, as well as in the file (and filename) your/own/Date.java. Any ot...
On localhost, how do I pick a free port number?
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Do not bind to a specific port, or bind to port 0, e.g. sock.bind(('', 0)). The OS will then pick an available port for you. You can get the port that was chosen using sock.getsockname()[1], and pass it on to the slaves so that they can connect...
Fastest Way of Inserting in Entity Framework
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}
context.SaveChanges();
}
finally
{
if (context != null)
context.Dispose();
}
scope.Complete();
}
private MyDbContext AddToContext(MyDbContext context,
Entity entity, int count, int commitCount, bool recreateContext)
{
context.Set&...
Apply a function to every row of a matrix or a data frame
...function to each row. You pass extra arguments to the function as fourth, fifth, ... arguments to apply().
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EF Migrations: Rollback last applied migration?
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Another detail: If you have an existing Manual Migration you need to roll back to, but realized your "Down" method doesn't really roll things back properly, you can just edit and save it, then rerun update-database -target... until it rolls ...
Constructor overloading in Java - best practice
...2) {
// Guard statements, initialize resources or throw exceptions if
// the resources are wrong
if (r1 == null) {
r1 = new Resource();
}
if (r2 == null) {
r2 = new Resource();
}
// do whatever with resources
}
}
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Creating a BLOB from a Base64 string in JavaScript
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Will this still work if the size of the base64-encoded string is large, let's say larger than 665536 characters, which is the limit for URI sizes in Opera?
– Daniel Kats
Oct 24 '17 at 17:54
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How do I see the extensions loaded by PHP?
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You want to run:
php -m
on the command line,
or if you have access to the server configuration file open
/etc/php5/apache2/php.ini
and look at all the the extensions,
you can even enable or disable them by switching between On and Off like this
<Extension_name>...
Why there is no ForEach extension method on IEnumerable?
...ion method would indeed be useful in some situations.
Here are the major differences between the statement and the method:
Type checking: foreach is done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEac...
Android: combining text & image on a Button or ImageButton
...the background of the button.
Any text will appear above the background.
If you are looking for something similar in xml there is:
android:background attribute which works the same way.
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