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Better way to check if a Path is a File or a Directory?

...about non-existent files/folders try this public static bool? IsDirectory(string path){ if (Directory.Exists(path)) return true; // is a directory else if (File.Exists(path)) return false; // is a file else return null; // is a nothing } – Dustin Townsend Jun ...
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How to generate a simple popup using jQuery

... of div named mail, how can I show a popup window containing a label email and text box? 11 Answers ...
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What is cURL in PHP?

.... Set option for CURLOPT_RETURNTRANSFER. True will tell curl to return the string instead of print it out. Set option for CURLOPT_HEADER, false will tell curl to ignore the header in the return value. Step 3: Execute the curl session using curl_exec(). Step 4: Close the curl session we have create...
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Linq to Sql: Multiple left outer joins

... out how to use more than one left outer join using LINQ to SQL. I understand how to use one left outer join. I'm using VB.NET. Below is my SQL syntax. ...
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Querying DynamoDB by date

I'm coming from a relational database background and trying to work with amazon's DynamoDB 7 Answers ...
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Should I use encodeURI or encodeURIComponent for encoding URLs?

...cial meaning, so you use it for components of URIs such as var world = "A string with symbols & characters that have special meaning?"; var uri = 'http://example.com/foo?hello=' + encodeURIComponent(world); share ...
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“The certificate chain was issued by an authority that is not trusted” when connecting DB in VM Role

...r SQL VM's trusted root store. If you have Encrypt=True in the connection string, either set that to off (not recommended), or add the following in the connection string: TrustServerCertificate=True SQL Server will create a self-signed certificate if you don't install one for it to use, but it w...
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The multi-part identifier could not be bound

... In my case, I was forgetting to put spaces when I concatenated strings to build the sql, so 'FROM dbo.table_a a' + 'INNER JOIN dbo.table_b b' became 'FROM dbo.table_a aINNER JOIN dbo.table_b b', and it got confused and gave me this error message. Details, details, details. ...
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Why doesn't indexOf work on an array IE8?

.... I just found out that the $.inArray is only works with "Array", not with String. That's why this function will not working in IE8! The jQuery API make confusion The $.inArray() method is similar to JavaScript's native .indexOf() method in that it returns -1 when it doesn't find a match. If ...
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There can be only one auto column

... MySQL says "Incorrect table definition; there can be only one auto column and it must be defined as a key" So when I added primary key as below it started working: CREATE TABLE book ( id INT AUTO_INCREMENT NOT NULL, accepted_terms BIT(1) NOT NULL, accepted_privacy BIT(1) NOT NULL, prim...