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Gradients on UIView and UILabels On iPhone [duplicate]

My application needs to display text in either a UIView or UILabel but the back ground must be a gradient as opposed to a true UIColor . Using a graphics program to create desired look is no good as the text may vary depending on data returned from a server. ...
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Difference between SPI and API?

...is the description of classes/interfaces/methods/... that you call and use to achieve a goal, and the SPI is the description of classes/interfaces/methods/... that you extend and implement to achieve a goal. Put differently, the API tells you what a specific class/method does for you, and the SPI ...
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Structs versus classes

I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b . ...
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“implements Runnable” vs “extends Thread” in Java

From what time I've spent with threads in Java, I've found these two ways to write threads: 42 Answers ...
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How to revert initial git commit?

I commit to a git repository for the first time; I then regret the commit and want to revert it. I try 9 Answers ...
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How to add a changed file to an older (not last) commit in Git

...last hour and committed them step by step, but I just realized I've forgot to add a changed file some commits ago. 4 Answer...
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Running shell command and capturing the output

I want to write a function that will execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line. ...
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What's wrong with foreign keys?

...at he'd barely ever used a foreign key (if I remember correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database. ...
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Spark java.lang.OutOfMemoryError: Java heap space

... I have a few suggestions: If your nodes are configured to have 6g maximum for Spark (and are leaving a little for other processes), then use 6g rather than 4g, spark.executor.memory=6g. Make sure you're using as much memory as possible by checking the UI (it will say how much mem...
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How do I get Windows to go as fast as Linux for compiling C++?

... Unless a hardcore Windows systems hacker comes along, you're not going to get more than partisan comments (which I won't do) and speculation (which is what I'm going to try). File system - You should try the same operations (including the dir) on the same filesystem. I came across this which b...