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Table name as variable
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For static queries, like the one in your question, table names and column names need to be static.
For dynamic queries you should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example of a script used to compare data between the same tables of diff...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
... the number (e.g. int64_t i = 1; i <<= 72 is undefined)
Types, Cast and Const
Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)
Using an automatic variable before it has been definitely assigned (e.g., int i; i++; cout <...
Why does GitHub recommend HTTPS over SSH?
... HTTPS because it is the easiest to set up on the widest range of networks and platforms, and by users who are new to all this.
There is no inherent flaw in SSH (if there was they would disable it) -- in the links below, you will see that they still provide details about SSH connections too:
HTTP...
CSS selector for first element with class
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This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks up whichever child element is the fi...
Where can I find the error logs of nginx, using FastCGI and Django?
...ve it in /var/log/nginx/error.log. It is best to check the nginx.conf file and find the error_log setting.
– MarthyM
Dec 15 '16 at 13:06
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Send attachments with PHP Mail()?
...cript from here: http://github.com/PHPMailer/PHPMailer
Extract the archive and copy the script's folder to a convenient place in your project.
Include the main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult t...
Object comparison in JavaScript [duplicate]
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Unfortunately there is no perfect way, unless you use _proto_ recursively and access all non-enumerable properties, but this works in Firefox only.
So the best I can do is to guess usage scenarios.
1) Fast and limited.
Works when you have simple JSON-style objects without methods and DOM nodes...
When to encode space to plus (+) or %20?
...encoded to the + sign, some other times to %20 . What is the difference and why should this happen?
5 Answers
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What's the significance of Oct 12 1999? [closed]
.... The dev who wrote THAT line of code, we think, is gone. We asked The Gu, and he wasn't sure.
Stefan Schackow, from the team, said, after speaking with Manu Vasandani:
"The ASP.NET developers were being
chased by a pack of feral ninjas on
fire and thus were under intense
pressure to com...
A simple explanation of Naive Bayes Classification
I am finding it hard to understand the process of Naive Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual datase...