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Check if a class has a member function of a given signature
...of check and it's discarded from overload set. It falls back to the second one that returns false_type. This is not a compiler error because SFINAE principle.
– jrok
Feb 20 '14 at 7:57
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How to set versionName in APK filename using gradle?
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I only have to change the version name in one place. The code is simple too.
The examples below will create apk files named named MyCompany-MyAppName-1.4.8-debug.apk or MyCompany-MyAppName-1.4.8-release.apk depending on the build variant selected.
Note that this sol...
How to tell git to use the correct identity (name and email) for a given project?
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git config user.email "bob@example.com"
Doing that one inside a repo will set the configuration on THAT repo, and not globally.
Seems like that's pretty much what you're after, unless I'm misreading you.
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What is the scope of variables in JavaScript?
...this chain for a matching identifier.
Identifier resolution only occurs in one direction: outwards. In this way, outer lexical environments cannot "see" into inner lexical environments.
There are three pertinent factors in deciding the scope of an identifier in JavaScript:
How an identifier was dec...
How to detect user inactivity in Android
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@Gaurav In my case, this is only implemented in one activity (therefore I didn't catch the issue with the static modifier). As for the onStop(), from what I remember, I call onBackPressed() in order to return to a login screen in the disconnect callback which in turn calls...
Generating a random & unique 8 character string using MySQL
...Hash has been suggested by @paul
AES-encrypt fits also
But there is a nice one: RAND(N) itself!
A sequence of random numbers created by the same seed is guaranteed to be
reproducible
different for the first 8 iterations
if the seed is an INT32
So we use @AndreyVolk's or @GordonLinoff's appro...
Right Align button in horizontal LinearLayout
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Single LinearLayout solution. Only adding a simple spacing view:
(No-one seemed to have mentioned this one, only more complicated multi-layout solutions.)
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_...
Conditional formatting based on another cell's value
... B5, for C6 it's B6 and so on. Unless you specify $B$5 - then you refer to one specific cell.
This is supported in Google Sheets as of 2015:
https://support.google.com/drive/answer/78413#formulas
In your case, you will need to set conditional formatting on B5.
Use the "Custom formula is" opti...
Haskell: How is pronounced? [closed]
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The Applicative type class sits somewhere between Functor and Monad, so one would expect it to have a similar mathematical basis. The documentation for the Control.Applicative module begins with:
This module describes a structure intermediate between a functor and a monad: it provides pure ex...
Add up a column of numbers at the Unix shell
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... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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