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C# Lambda expressions: Why should I use them?
I have quickly read over the Microsoft Lambda Expression documentation.
15 Answers
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Creating a comma separated list from IList or IEnumerable
What is the cleanest way to create a comma-separated list of string values from an IList<string> or IEnumerable<string> ?
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Rails 3: “field-with-errors” wrapper changes the page appearance. How to avoid this?
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You should override ActionView::Base.field_error_proc. It's currently defined as this within ActionView::Base:
@@field_error_proc = Proc.new{ |html_tag, instance|
"<div class=\"field_with_errors\">#{html_tag}</div>".html_safe
}
You can override it by pu...
passing 2 $index values within nested ng-repeat
So I have an ng-repeat nested within another ng-repeat in order to build a nav menu. On each <li> on the inner ng-repeat loop I set an ng-click which calls the relevant controller for that menu item by passing in the $index to let the app know which one we need. However I need to also pass i...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
I created a new local Git repository:
24 Answers
24
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
... will have a valid internal state. In order to achieve this I will need to perform some check before creating an object, probably in its constructor. This is all okay until I decide I want to make this check be a part of the business logic. So, how can I arrange for a business object to be creatable...
sqlite alter table add MULTIPLE columns in a single statement
Is it possible to alter table add MULTIPLE columns in a single statement in sqlite?
The following would not work.
4 Answers...
How do you install ssh-copy-id on a Mac?
I am having trouble trying to install ssh-copy-id on my Mac. I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
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How to activate JMX on my JVM for access with jconsole?
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The relevant documentation can be found here:
http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html
Start your program with following parameters:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rm...
Format decimal for percentage values?
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Use the P format string. This will vary by culture:
String.Format("Value: {0:P2}.", 0.8526) // formats as 85.26 % (varies by culture)
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