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Difference between declaring variables before or in loop?

... The following is what I wrote and compiled in .NET. double r0; for (int i = 0; i < 1000; i++) { r0 = i*i; Console.WriteLine(r0); } for (int j = 0; j < 1000; j++) { double r1 = j*j; Console.WriteLine(r1); } This is what I get from .NET Reflector w...
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TransactionScope automatically escalating to MSDTC on some machines?

... Promotable Transactions in SQL Server 2008 In version 2.0 of the .NET Framework and SQL Server 2005, opening a second connection inside a TransactionScope would automatically promote the transaction to a full distributed transaction, even if both connections were using identical...
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What are the differences between struct and class in C++?

This question was already asked in the context of C#/.Net . 30 Answers 30 ...
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How to insert text into the textarea at the current cursor position?

...ppet could help you with it in a few lines of jQuery 1.9+: http://jsfiddle.net/4MBUG/2/ $('input[type=button]').on('click', function() { var cursorPos = $('#text').prop('selectionStart'); var v = $('#text').val(); var textBefore = v.substring(0, cursorPos); var textAfter = v.subst...
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Is there an equivalent of CSS max-width that works in HTML emails?

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How to get a time zone from a location using latitude and longitude coordinates?

...ace - JavaScript library tz-lookup-oss - JavaScript library GeoTimeZone - .NET library Geo-Timezone - PHP library timezonefinder - Python library ZoneDetect - C library Timeshape - Java library TimeZoneMap - Java and Android library lutz - R library go-tz - Go library Timezone lookup - Go library do...
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Can two applications listen to the same port?

...e one application listening on the same port at one time. Now if you had 2 network cards, you could have one application listen on the first IP and the second one on the second IP using the same port number. For UDP (Multicasts), multiple applications can subscribe to the same port. Edit: Since Li...
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Java to Clojure rewrite

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Simple way to convert datarow array to datatable

... For .Net Framework 3.5+ DataTable dt = new DataTable(); DataRow[] dr = dt.Select("Your string"); DataTable dt1 = dr.CopyToDataTable(); But if there is no rows in the array, it can cause the errors such as The source contains no...
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How to remove “onclick” with JQuery?

...ent handler using .removeAttr() doesn't achieve the desired effect in Internet Explorer 6, 7, or 8. To avoid potential problems, use .prop() instead – andyface Sep 8 '14 at 9:20 2 ...