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What is a sealed trait?
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A sealed trait can be extended only in the sam>me m> file as its declaration.
They are often used to provide an alternative to enums. Since they can be only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the...
How does having a dynamic variable affect performance?
... the compiler run again, but what it does. Does it have to recompile whole m>me m>thod with the dynamic used as a param>me m>ter or rather those lines with dynamic behavior/context(?)
Here's the deal.
For every expression in your program that is of dynamic type, the compiler emits code that generates a si...
Maven command to determine which settings.xml file Maven is using
... option (debug) and examine the beginning of the output. There should be som>me m>thing like this:
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[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from c:\....\apache-maven-3.0.3\conf\settings.xml
[DEBUG] Reading user settings from c:\....\.m2\settings.xml
[DEBUG] Using local...
How to split a string literal across multiple lines in C / Objective-C?
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Both of these are the sam>me m> as in and C and C++. The latter solution is preferred because form>me m>r one embeds a lot of useless white space into the program which will also be transmitted to the DB server.
– Alnitak
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Can I use complex HTML with Twitter Bootstrap's Tooltip?
If I check official docum>me m>ntation , I can see a property called HTML:
5 Answers
5
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How to turn on WCF tracing?
...on>
<system.diagnostics>
<sources>
<source nam>me m>="System.ServiceModel"
switchValue="Information, ActivityTracing"
propagateActivity="true" >
<listeners>
<add nam>me m>="xml"/>
</listeners>
&lt...
How do I pass command-line argum>me m>nts to a WinForms application?
...g[] args)
{
// For the sake of this example, we're just printing the argum>me m>nts to the console.
for (int i = 0; i < args.Length; i++) {
Console.WriteLine("args[{0}] == {1}", i, args[i]);
}
}
The argum>me m>nts will then be stored in the args string array:
$ AppB.exe firstArg secondArg thir...
Editing Javascript using Chrom>me m> Developer Tools
I am trying to edit javascript on a site using Chrom>me m>'s Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there som>me m> step I am missing?
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ViewPager.setOffscreenPageLimit(0) doesn't work as expected
The fragm>me m>nts I use in my ViewPager instance are quite resource intensive, so I'd only like to load one at a tim>me m>. When I try the following:
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What are Flask Blueprints, exactly?
I have read the official Flask docum>me m>ntation on Blueprints and even one or two blog posts on using them.
4 Answers
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