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Fastest Way to Find Distance Between Two Lat/Long Points

I currently have just under a million locations in a mysql database all with longitude and latitude information. 15 Answers...
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Sending message through WhatsApp

...en/android/26000030/?category=5245251 WhatsApp's Click to Chat feature allows you to begin a chat with someone without having their phone number saved in your phone's address book. As long as you know this person’s phone number, you can create a link that will allow you to start a chat w...
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How to check null objects in jQuery

...em to have enough reputation to vote down the answer...) Wolf wrote: Calling length property on undefined or a null object will cause IE and webkit browsers to fail! Instead try this: // NOTE!! THE FOLLOWING IS WRONG; DO NOT USE! -- EleotleCram if($("#something") !== null){ // do ...
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How do I add options to a DropDownList using jQuery?

...orting it. What we can do is, create a new select element and then append all options. Once loop is finished, append it to actual DOM object. var myOptions = { val1 : 'text1', val2 : 'text2' }; var _select = $('<select>'); $.each(myOptions, function(val, text) { _select.append( ...
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How do I restore a missing IIS Express SSL Certificate?

...press, according to such articles as this and this , I am unable to actually load an IIS Express site using HTTPS. In Chrome , I am only getting: ...
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What is an ORM, how does it work, and how should I use one? [closed]

... case with a pseudo language: You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that: book_list = new List(); sql = "SELECT book FROM library WHERE author = 'Linus'"; data = query(sql); // I over simplify ... while (row ...
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Direct casting vs 'as' operator?

... tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed libraries which use error codes (e.g. return null = error, instead of using exceptions). 3 is not a ca...
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jQuery AJAX file upload PHP

...ript to look like this: $('#upload').on('click', function() { var file_data = $('#sortpicture').prop('files')[0]; var form_data = new FormData(); form_data.append('file', file_data); alert(form_data); $.ajax({ url: 'uploa...
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Is it possible to make anonymous inner classes in Java static?

... a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes). ...
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The name 'model' does not exist in current context in MVC3

...ter my first attempt to convert to Razor failed), and this was the problem all along. Thanks! – Brian Donahue Feb 15 '12 at 16:32 3 ...