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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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How set background drawable programmatically in Android

... If you are using the support v4 library, the following will be enough for all versions. ContextCompat.getDrawable(context, R.drawable.ready) You will need to add the following in your app build.gradle compile 'com.android.support:support-v4:23.0.0' # or any version above Or using ResourceComp...
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Writing a new line to file in PHP (line feed)

...Artefacto 87.4k1414 gold badges185185 silver badges211211 bronze badges ...
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How to stop Flask from initialising twice in Debug Mode? [duplicate]

... | edited Jul 17 '18 at 11:53 Tagman 6188 bronze badges answered Feb 26 '12 at 14:36 ...
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Best practice for nested fragments in Android 4.0, 4.1 (

...previous fragment transaction has finished. And of course it was only naturally supported in 4.2 or the support library. Nesting without ChildManager - Solution Solution, Sure! I have been doing this for a long time now, (since the ViewPager was announced). See below; This is a Fragment that defe...
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How to edit a JavaScript alert box title?

...it will do what you want. A simple modal and override the alert function call. – Fallenreaper Jan 10 '13 at 17:19 1 ...
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Number of elements in a javascript object

... Although JS implementations might keep track of such a value internally, there's no standard way to get it. In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5. For cross-browser scripting you're stuck with explicitly ite...
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Mismatch Detected for 'RuntimeLibrary'

...racted Crypto++ in C:\cryptopp. I used Visual Studio Express 2012 to build all the projects inside (as instructed in readme), and everything was built successfully. Then I made a test project in some other folder and added cryptolib as a dependency. After that, I added the include path so I can easi...
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Bash empty array expansion with `set -u`

...ad. Other patterns, such as ${arr[@]-} or ${arr[@]:0}, are not safe across all major versions of Bash. As the table below shows, the only expansion that is reliable across all modern-ish Bash versions is ${arr[@]+"${arr[@]}"} (column +"). Of note, several other expansions fail in Bash 4.2, includin...
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How to trigger event when a variable's value is changed?

... answered Apr 30 '11 at 14:25 Jonathan WoodJonathan Wood 57.9k6262 gold badges216216 silver badges355355 bronze badges ...