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How to remove padding around buttons in Android?

.../toggle_selector" Below is my toggle_selecter.xml file <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/notifications_toggle_on" android:state_checked="t...
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How to set button click effect in Android?

... file and call it gradient.xml with the following code: <?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android" > <item> <bitmap android:src="@drawable/YOURIMAGE"/> </item> <item> &...
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Efficiently test if a port is open on Linux?

... To use: exec 6<>/dev/tcp/ip.addr.of.server/445 echo -e "GET / HTTP/1.0\n" >&6 cat <&6 I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe. As per the comment below...
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How to determine CPU and memory consumption from inside a process?

...e){ //Overflow detection. Just skip this value. percent = -1.0; } else{ total = (totalUser - lastTotalUser) + (totalUserLow - lastTotalUserLow) + (totalSys - lastTotalSys); percent = total; total += (totalIdle - lastTotalIdle); perc...
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How can I get a java.io.InputStream from a java.lang.String?

I have a String that I want to use as an InputStream . In Java 1.0, you could use java.io.StringBufferInputStream , but that has been @Deprecrated (with good reason--you cannot specify the character set encoding): ...
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Set UILabel line spacing

...lineHeightMultiple label.setLineSpacing(lineSpacing: 2.0) . // try values 1.0 to 5.0 // or try lineHeightMultiple //label.setLineSpacing(lineHeightMultiple = 2.0) // try values 0.5 to 2.0 Or using label instance (Just copy & execute this code to see result) let label = UILabel() let stringV...
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What does bundle exec rake mean?

... You have already activated rake 10.3.1, but your Gemfile requires rake 10.1.0. Prepending "bundle exec" to your command may solve this. Prepending bundle exec tells the bundler to execute this command regardless of the version differential. There isn't always an issue, however, you might run into ...
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Compare floats in php

... PHP_FLOAT_EPSILON Smallest representable positive number x, so that x + 1.0 != 1.0. Available as of PHP 7.2.0. – Code4R7 Sep 28 '17 at 20:24 3 ...
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How do I keep the screen on in my App? [duplicate]

...ScreenOn(boolean) 2. Adding keepScreenOn to xml layout <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:keepScreenOn="true" > Do...
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Mathematical functions in Swift

...eif os(Linux) import Glibc #endif let x = 1.571 print(sin(x)) // Prints "~1.0" share | improve this answer | follow | ...