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ImageView - have height match width?

...id:layout_width="wrap_content" android:layout_height="0dp" app:layout_constraintDimensionRatio="1:1" /> </android.support.constraint.ConstraintLayout> See here Deprecated: According to this post by Android Developers, all you need to do now is to wrap whatever you want ...
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I can’t find the Android keytool

I am trying to follow the Android mapping tutorial and got to this part where I had to get an API key . 10 Answers ...
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Programmatically retrieve memory usage on iPhone

I'm trying to retrieve the amount of memory my iPhone app is using at anytime, programmatically. Yes I'm aware about ObjectAlloc/Leaks. I'm not interested in those, only to know if it's possible to write some code and get the amount of bytes being used and report it via NSLog. ...
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Mismatched anonymous define() module

I'm getting this error when I browse my webapp for the first time (usually in a browser with disabled cache). 7 Answers ...
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Why do people say that Ruby is slow? [closed]

... Ruby to be slow but then again, I'm just using it to make simple CRUD apps and company blogs. What sort of projects would I need to be doing before I find Ruby becoming slow? Or is this slowness just something that affects all programming languages? Ruby probably wouldn't serve you ...
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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

... This one: Allows an application to open windows using the type TYPE_SYSTEM_ALERT, shown on top of all other applications. Very few applications should use this permission; these windows are intended for system-level interaction with the u...
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How to set environment variables in Jenkins?

...valuates to key=value. In my use case I generate the line completely: cat app/build.gradle | grep "def majorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])' – kenny_k Jun ...
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Perform debounce in React.js

...'s returned promise will resolve a single this.setState({ result }); will happen per API call Eventually, you may add another trick if your component unmounts: componentWillUnmount() { this.setState = () => {}; } Note that Observables (RxJS) can also be a great fit for debouncing inputs, b...
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Android ViewPager - Show preview of page on left and right

...dView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" <-- this! app:cardCornerRadius="8dp" app:cardUseCompatPadding="true"> <andro...