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.prop() vs .attr()

...lly simpler to deal with than attributes. An attribute value may only be a string whereas a property can be of any type. For example, the checked property is a Boolean, the style property is an object with individual properties for each style, the size property is a number. Where both a property and...
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How do I restrict a float value to only two places after the decimal point in C?

... just want to round the number for output purposes, then the "%.2f" format string is indeed the correct answer. However, if you actually want to round the floating point value for further computation, something like the following works: #include <math.h> float val = 37.777779; float rounde...
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Gradle store on local file system

... caches artifacts in USER_HOME/.gradle folder. The compiled scripts are usually in the .gradle folder in your project folder. If you can't find the cache, maybe it's because you have not cached any artifacts yet. You can always see where Gradle has cached artifacts with a simple script: apply plug...
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Practical non-image based CAPTCHA approaches?

...quite a good idea and is exactly the same as doing it in JavaScript. Good Call. @AviD: I'm aware that this method is prone to direct attacks as I've mentioned on my blog. However, it will defend against your average spam bot which blindly submits rubbish to any form it can find. ...
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Why does the JVM still not support tail-call optimization?

.... Consider the following program: public class Test { public static String f() { String s = Math.random() > .5 ? f() : g(); return s; } public static String g() { if (Math.random() > .9) { StackTraceElement[] ste = new Throwable().getStackTra...
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Setting the default Java character encoding

...p; by the time your main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached. As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can ...
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RESTful Alternatives to DELETE Request Body

...uld just have a default reason if the reason is not specified in the query string. The resource will still be resource/:id. You can make it discoverable with Link headers on the resource for each reason (with a rel tag on each to identify the reason). Use a separate endpoint per reason: Using a url ...
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List vs List

... The difference is that, for example, a List<HashMap<String,String>> is a List<? extends Map<String,String>> but not a List<Map<String,String>> So: void withWilds( List<? extends Map<String,String>> foo ){} void noWilds( List&l...
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When NOT to call super() method when overriding?

...vadoc for this method this is also pointed out. public void startElement (String uri, String localName, String qName, Attributes attributes) throws SAXException { // no op } About the super() default call in code generated by IDEs, as @barsju pointed out in his comment, in each constructo...
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Are HTTP headers case-sensitive?

... @Harm That's only because string comparison in PHP is case-sensitive. – MrWhite Feb 22 '16 at 0:00 7 ...