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jQuery returning “parsererror” for ajax request

...eason why this parsererror message occurs is that when you simply return a string or another value, it is not really Json, so the parser fails when parsing it. So if you remove the dataType: json property, it will not try to parse it as Json. With the other method if you make sure to return your ...
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Programmatically add custom event in the iPhone Calendar

... access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block. 2) You need to commit your event now or pass the "commit" param to your save/remove call Everything else stays the same... Add the EventKit framework and #import <EventK...
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How to delete all files and folders in a directory?

... note that Empty exists in C# already, for string. If I saw something else named Empty I would be surprised if it modified the object (or filesystem) instead of giving me a bool that says if it is empty or not. Because of that, I would go with the name Clean. ...
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Where are the Properties.Settings.Default stored?

...erties.Settings> <setting name="SavedUserName" serializeAs="String"> <value /> </setting> <setting name="SavedPassword" serializeAs="String"> <value /> </setting> <setting name="CheckSave" ...
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What is a Windows Handle?

...ust made up, and assume that Widget is a struct. Widget * GetWidget (std::string name) { Widget *w; w = findWidget(name); return w; } void * GetWidget (std::string name) { Widget *w; w = findWidget(name); return reinterpret_cast<void *>(w); } typedef void * HAN...
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Java equivalent of unsigned long long?

...345"); To print it, you can not simply print l1, but you have to first: String l1Str = Long.toUnsignedString(l1) Then System.out.println(l1Str); share | improve this answer | ...
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How do I pre-populate a jQuery Datepicker textbox with today's date?

...ntation, setDate() happily accepts the JavaScript Date object, number or a string: The new date may be a Date object or a string in the current date format (e.g. '01/26/2009'), a number of days from today (e.g. +7) or a string of values and periods ('y' for years, 'm' for months, 'w' for w...
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Is Random class thread safe?

Is it valid to share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular? ...
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CSS to stop text wrapping under image

... Since this question is gaining lots of views and this was the accepted answer, I felt the need to add the following disclaimer: This answer was specific to the OP's question (Which had the width set in the examples). While it works, it requires you to have a width ...
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CSS: center element within a element

... Set text-align:center; to the parent div, and margin:auto; to the child div. #parent { text-align:center; background-color:blue; height:400px; width:600px; } .block { height:100px; width:200px; text-align:left; } .center { ...