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Do Swift-based applications work on OS X 10.9/iOS 7 and lower?

...eployment target results in a build failure. From Xcode 6 release note So my previous answer(Shown below) will not be applicable to any further development. Swift will no longer available for iOS6 and below A Swift application can be run on iOS 6. Even though many people are saying that Swift wil...
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Why should I use the keyword “final” on a method parameter in Java?

...ment variable as something other than an argument, then don’t bother. In my own work, I add final only in longer or more involved code where an argument might mistaken for a local or member variable. Another case added for the completeness public class MyClass { private int x; //getters...
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Why does volatile exist?

... volatile uint16_t* semPtr = WELL_KNOWN_SEM_ADDR;/*well known address to my semaphore*/ while ((*semPtr) != IS_OK_FOR_ME_TO_PROCEED); } Without volatile, the optimizer sees the loop as useless (The guy never sets the value! He's nuts, get rid of that code!) and my code would proceed without h...
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What is SQL injection? [duplicate]

...d queries, or applying your language/toolkit's escaping functions (such as mysql_real_escape_string() in PHP). Once you understand SQL Injection you'll get the joke behind this cartoon. share | imp...
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Matplotlib tight_layout() doesn't take into account figure suptitle

If I add a subtitle to my matplotlib figure it gets overlaid by the subplot's titles. Does anybody know how to easily take care of that? I tried the tight_layout() function, but it only makes things worse. ...
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How can I shrink the drawable on a button?

...lt;item android:id="@+id/half_overlay" android:drawable="@drawable/myDrawable" android:width="40dp" android:height="40dp" /> </layer-list> You can set the image size with android:width and android:height properties. This way you could at least get the same size for d...
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The permissions granted to user ' are insufficient for performing this operation. (rsAccessDenied)"}

...name textbox, add the 'domain\username' which was in the error message (in my case, I added: DOUGDELL3-PC\DOUGDELL3 for the 'domain\username', in your case you can find the domain\username for your computer in the rsAccessDenied error message). Now check all the checkboxes; Browser, Content Manager,...
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UISegmentedControl below UINavigationbar in iOS 7

...ion/Intro.html Or you can create it programmatically, here is the code in my answer in the other thread Add segmented control to navigation bar and keep title with buttons share | improve this answ...
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Looking for a clear definition of what a “tokenizer”, “parser” and...

...t to be sure, I am not knocking your recommendation. "The Dragon Book" was my first book on compiler tech, but it was hard going compared to, say, Wirth's book, which is a book you can grok in a few hours. Back then I had few options as it was the only book I could get my hands on (it being 1991, be...
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JavaScript OR (||) variable assignment explanation

... This is the best answer in my opinion because of the following explanation: However, it's different to other languages in that it returns the result of the last value that halted the execution, instead of a true, or false value. –...