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Unable to login to SQL Server + SQL Server Authentication + Error: 18456

...erver <ServerName>, Line 1 Login failed for user '<Name>' Ok now what, by looking at the error message you feel like this is non-descriptive to understand the Level & state. By default the Operating System error will show 'State' as 1 regardless of nature of the issues in authentic...
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How to create a custom string representation for a class object?

...ite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be: class MC(type): def __repr__(self): return 'Wahaha!' class C(object, metaclass=MC): pass print(C) If you want code that runs across both Python 2 and Python 3, the six module h...
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Using :before CSS pseudo element to add image to modal

... Now (in 2017), IE 11 is the only version of IE still supported by Microsoft; so, there is not much point in worrying about IE8 compatability. Also, a CSS solution is almost always better than the jQuery solution because they...
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A good book for learning D3.js [closed]

... book, Interactive Data Visualization for the Web. However, that book is now available online for free, along with embedded jsbin examples. http://chimera.labs.oreilly.com/books/1230000000345/index.html So if you are looking for a "book", this would be a great start. Another great place to start...
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Really Cheap Command-Line Option Parsing in Ruby

...lename, "File to process", :type => String end And that's it. opts is now a hash with keys :quiet, :interactive, and :filename. You can do whatever you want with it. And you get a beautiful help page, formatted to fit your screen width, automatic short argument names, type checking... everythin...
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m

...ides the behaviors that you have set up in the "SetUp" method. And as you know in C#, you can override something only if it is marked as virtual which isn't the case with Java. Java assumes every non-static method to be virtual by default. Another thing I believe you should consider is introducing ...
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Display open transactions in MySQL

...ut down and restarted between the first and second statements without you knowing it: Also see: http://dev.mysql.com/doc/refman/5.0/en/auto-reconnect.html How to diagnose and fix this To check for auto-reconnection: If an automatic reconnection does occur (for example, as a result of calli...
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What's the difference between TRUNCATE and DELETE in SQL

...ledBack in SQL SERVER. And in the 2nd row DELETE dose not reset identity. Now how can you edit this post? That's the bad thing about using pictures in StackOverflow. – Mahmood Jenami Aug 3 '16 at 8:05 ...
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How can I wait for set of asynchronous callback functions?

... if (ajaxCallsRemaining <= 0) { // all data is here now // look through the returnedData and do whatever processing // you want on it right here } }); } Note: error handling is important here (not shown because it's specific to how you're...
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How do I ignore the initial load when watching model changes in AngularJS?

...ner'. I am using this watch to detect if the page/entity is "dirty". Right now I'm making the save button bounce but really I want to make the save button invisible until the user dirties the model. ...