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How to tell if node.js is installed or not
...show you if you have it installed. For me, it shows as title:"Node.js" and description "Node.js Foundation", with no version specified. Install size is 52.6MB
If you don't have it installed, get it from here https://nodejs.org/en/download/
...
“open/close” SqlConnection or keep open?
...tions are not actually opened and closed when you call SqlConnection.Open. ASP.NET recycles active connections from the pool when the connection string matches a previously used connection string. The overhead involved in this is inconsequential, and additionally, trying to "do it yourself" means yo...
Show a number to two decimal places
...; // 520.3
echo round(520, 2); // 520
From the manual:
Description:
float round(float $val [, int $precision = 0 [, int $mode = PHP_ROUND_HALF_UP ]]);
Returns the rounded value of val to specified precision (number of digits after the decimal point). precision can also be ...
Entity Framework 4 vs NHibernate [closed]
...This answer is now outdated and should not be relied upon.
http://weblogs.asp.net/scottgu/archive/2012/07/19/entity-framework-and-open-source.aspx
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List of installed gems?
... Gem::Requirement.new(["~> 2.5.4"]),
# :runtime)]
# s.description = "Email on Rails. Compose, deliver, receive, and test emails using the familiar controller/view pattern. First-class support for multipart email and attachments."
# s.email = "david@loudthinking.com"
# ...
What is the difference between '/' and '//' when used for division?
...hat's the floor division result of the operation.
You can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator
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Is it possible to set async:false to $.getJSON call
...synchronous. Furthermore, the documentation even suggests not using this: "Description: Set default values for future Ajax requests. Its use is not recommended."
– Carrie Kendall
Apr 7 '15 at 19:26
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
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Not the answer you're looking for? Browse other questions tagged asp.net-mvc-3 ef-code-first entity-framework-4.1 or ask your own question.
What is the use of printStackTrace() method in Java?
...s can be used with catch block and they describe:
Name of the exception.
Description of the exception.
Location of the exception in the source code.
The three methods which describe the exception on the console (in which printStackTrace is one of them) are:
printStackTrace()
toString()
getMess...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
...Edit template menu item and get the following pop-up window:
Note: In its Description area there are many other available Template variables, you can use them too.
Step 3: In the editor area add your name as shown in the following screenshot and click "OK" button and the current file and the future...