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Why does a base64 encoded string have an = sign at the end

I know what base64 encoding is and how to calculate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end. ...
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How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?

Have you ever taken a look under the hood at the jQuery 1.4 source code and noticed how it's encapsulated in the following way: ...
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Best way to use multiple SSH private keys on one client

...erver (my uses are system administration of server, administration of Git, and normal Git usage within the same server). I tried simply stacking the keys in the id_rsa files to no avail. ...
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SQL JOIN - WHERE clause vs. ON clause

... JOIN OrderLines ON OrderLines.OrderID=Orders.ID WHERE Orders.ID = 12345 and SELECT * FROM Orders LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID AND Orders.ID = 12345 The first will return an order and its lines, if any, for order number 12345. The second will return all orders, but...
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How to export all data from table to an insertable sql format?

... in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows. 6 Answers ...
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append to url and refresh page

...rite a piece of javascript that will append a parameter to the current url and then refresh the page - how can I do this? 9...
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How to list all users in a Linux group?

How do I list all members of a group in Linux (and possibly other unices)? 20 Answers ...
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How do I search for an object by its ObjectId in the mongo console?

I've found this question answered for C# and Perl, but not in the native interface. I thought this would work: 12 Answers ...
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Can PHP PDO Statements accept the table or column name as parameter?

... Table and Column names CANNOT be replaced by parameters in PDO. In that case you will simply want to filter and sanitize the data manually. One way to do this is to pass in shorthand parameters to the function that will execute th...
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How to highlight a current menu item?

...25 '12 at 23:46 Renan Tomal FernandesRenan Tomal Fernandes 10.9k44 gold badges4545 silver badges3030 bronze badges ...