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Using emit vs calling a signal as if it's a regular function in Qt
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Do you know if there was ever an implementation (or a planned implementation) of an emit that actually did more than nothing? I find that having the 'syntactic sugar' in this case just confuses the novice (or at least me when I was ...
ADB not recognising Nexus 4 under Windows 7
...t doesn't have an extras\google directory, just an extras\android. Do you know what I'm doing wrong?
– Tim Bellis
Jan 28 '13 at 22:02
3
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Why can't C# interfaces contain fields?
...embers of an interface are--by definition--public, our backing variable is now exposed to anyone using the interface
Which myBackingVariable will MyClass use?
The most common approach taken is to declare the interface and a barebones abstract class that implements it. This allows you the flexibili...
How do I find out which keystore was used to sign an app?
...int (MD5): B3:4F:BE:07:AA:78:24:DC:CA:92:36:FF:AE:8C:17:DB
Voila! we can now determined the apk has been signed with this keystore, and with the alias 'android_key'.
Keytool is part of Java, so make sure your PATH has Java installation dir in it.
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What does curly brackets in the `var { … } = …` statements do?
...and have that variable only "visible" inside that block (JavaScript, until now, has function scope and not block scope as most other languages). So the let is basically a "fix" for something many people have issues with. Note that tihs is a JavaScript 1.7 feature.
Haven't found anything on {Foo}.
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What are the rules about using an underscore in a C++ identifier?
...itional type names.
While using these names for your own purposes right now might not cause a problem, they do raise the possibility of conflict with future versions of that standard.
Personally I just don't start identifiers with underscores. New addition to my rule: Don't use double undersco...
CSS fixed width in a span
...f2">The active goldfish</div><div class="f3"></div>
Now I see you need to use spans and lists, so we need to rewrite this a little bit:
<html><head>
<style type="text/css">
span.f1 { display: block; float: left; clear: left; width: 60px; }
li { l...
What are all the user accounts for IIS/ASP.NET and how do they differ?
... of the impersonated account).
In IIS7.x/ASP.NET impersonation control is now configured via the Authentication configuration feature of a site. So you can configure to run as the pool identity, IUSR or a specific custom anonymous account.
LOCAL SERVICE:
The LOCAL SERVICE account is a built-in ac...
Why am I merging “remote-tracking branch 'origin/develop' into develop”?
...nfig --global alias.up '!git remote update -p; git merge --ff-only @{u}'
Now all you need to do to bring your branch up to date is to run:
git up
instead of git pull. If you get an error because your local branch has diverged from the upstream branch, that's your cue to rebase.
Why not git pu...
What is “lifting” in Scala?
...Stream[A]]. This can be converted to the monad transformer StreamT[IO, A]. Now you may wish to "lift" some other value an IO[B] perhaps to that it is also a StreamT. You could either write this:
StreamT.fromStream(iob map (b => Stream(b)))
Or this:
iob.liftM[StreamT]
this begs the question:...