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Amazon S3 direct file upload from client browser - private key disclosure

...bucket'; // Enter your bucket name var bucket = new AWS.S3({ params: { Bucket: bucketName } }); var fileChooser = document.getElementById('file-chooser'); var button = document.getElementById('upload-button'); var results = document.getElemen...
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Why should I avoid using Properties in C#?

...n exception thrown. • A property cannot be passed as an out or ref parameter to a method; a field can. Fair. • A property method can take a long time to execute; field access always completes immediately. It can also take very little time. • If called multiple times in ...
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How do I adjust the anchor point of a CALayer, when Auto Layout is being used?

...* Set the anchorPoint of view without changing is perceived position. @param view view whose anchorPoint we will mutate @param anchorPoint new anchorPoint of the view in unit coords (e.g., {0.5,1.0}) @param xConstraint an NSLayoutConstraint whose constant property adjust's view x.center @para...
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Java switch statement multiple cases

...util.List; /** * Generic enabled Object Oriented Switch/Case construct * @param <T> type to switch on */ public class Switch<T extends Comparable<T>> { private final List<Case<T>> cases; public Switch() { this.cases = new ArrayList<Case<T>...
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How can I put a ListView into a ScrollView without it collapsing?

...ecially in the part about calling .measure directly, and setting the LayoutParams.height property directly, but it works. All you have to do is call Utility.setListViewHeightBasedOnChildren(yourListView) and it will be resized to exactly accommodate the height of its items. public class Utility { ...
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Call An Asynchronous Javascript Function Synchronously

...{ window.data = d; } // start the async myAsynchronousCall(param1, callBack); } // start the function doSomething(); // make sure the global is clear window.data = null // start polling at an interval until the data is found at the global var intvl = setInterval(function() ...
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is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]

...t can be extended more in general public static <T> T coalesce(T... params) { for (T param : params) if (param != null) return param; return null; } share | impro...
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Getting the object's property name

...g" } }; And now if you want to have a function that if you pass '0' as a param - to get 'STEP_ELEMENT', if '2' to get 'BLUE_ELEMENT' and so for function(elementId) { var element = null; Object.keys(ELEMEN
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How do I check if a directory exists? “is_dir”, “file_exists” or both?

...folder exist and return canonicalized absolute pathname (long version) * @param string $folder the path being checked. * @return mixed returns the canonicalized absolute pathname on success otherwise FALSE is returned */ function folder_exist($folder) { // Get canonicalized absolute pathname ...
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Which is better, return value or out parameter?

..., I can't think of any cases where I'd ever want a void method with an out parameter, if I had the choice. C# 7's Deconstruct methods for language-supported deconstruction acts as a very, very rare exception to this rule.) Aside from anything else, it stops the caller from having to declare the var...