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Fit Image in ImageButton in Android

... I want them to cover 75% of the button area. Use android:padding="20dp" (adjust the padding as needed) to control how much the image takes up on the button. but where as some images cover less area, some are too big to fit into the imageButton. How to programatically re...
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Unique random string generation

I'd like to generate random unique strings like the ones being generated by MSDN library.( Error Object ), for example. A string like 't9zk6eay' should be generated. ...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

I have a problem when data is null and the warning has appear when the result is display. How to solve this problem?. How to change the null data to 0 when no data in the table?. ...
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How to check that an object is empty in PHP?

... You can cast to an array and then check if it is empty or not $arr = (array)$obj; if (!$arr) { // do stuff } share | improve this answer ...
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Is it better practice to use String.format over string Concatenation in Java?

Is there a perceptible difference between using String.format and String concatenation in Java? 14 Answers ...
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Is there a way to @Autowire a bean that requires constructor arguments?

I'm using Spring 3.0.5 and am using @Autowire annotation for my class members as much as possible. One of the beans that I need to autowire requires arguments to its constructor. I've looked through the Spring docs, but cannot seem to find any reference to how to annotate constructor arguments. ...
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How to open a web server port on EC2 instance

...to the "Network & Security" -> Security Group settings in the left hand navigation Find the Security Group that your instance is apart of Click on Inbound Rules Use the drop down and add HTTP (port 80) Click Apply and enjoy ...
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Detail change after Git pull

... branches, with an asterisk by the currently checked-out one, with the command git branch. The current branch name is also printed along with the output of git status. I highly recommend skimming the man pages of commands to use - it's a great way to slowly pick up some knowledge. And your last que...
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IE7 does not understand display: inline-block

... working fine but with Internet Explorer 7 its not. It seems not to understand the display: inline-block; . 4 Answers ...
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What is the maximum length of a valid email address?

...hat is the maximum length of a valid email address? Is it defined by any standard? 6 Answers ...