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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?
...s 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 only through some method in my business logic class but n...
How to create a temporary directory/folder in Java?
...ava application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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Should *.xccheckout files in Xcode5 be ignored under VCS?
... Xcode 5 .xccheckout file; in general, files in xcshareddata should be committed.
An .xccheckout file contains metadata about what repositories are used in a workspace. For a single project in a single repository that doesn't make much difference. But if you're using a workspace that has multiple p...
Installing Google Protocol Buffers on mac
...ocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
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Restart node upon changing a file
...who is coming from PHP background the process of killing node and starting it again after every code change, seems very tedious. Is there any flag when starting a script with node to automatically restart node when code change is saved?
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Java 8 Iterable.forEach() vs foreach loop
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The better practice is to use for-each. Besides violating the Keep It Simple, Stupid principle, the new-fangled forEach() has at least the following deficiencies:
Can't use non-final variables. So, code like the following can't be turned into a forEach lambda:
Object prev = null;
for(Obje...
Rounded UIView using CALayers - only some corners - How?
...nered UILabel on the iPhone? and the code from How is a rounded rect view with transparency done on iphone? to make this code.
Then I realized I'd answered the wrong question (gave a rounded UILabel instead of UIImage) so I used this code to change it:
http://discussions.apple.com/thread.jspa?thr...
How do I change the default location for Git Bash on Windows?
I am using Git on Windows 7 and access my repositories through Git Bash. How can I change the default location that Git Bash opens in a convenient folder when I start it?
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How do I ignore ampersands in a SQL script running from SQL Plus?
I have a SQL script that creates a package with a comment containing an ampersand (&). When I run the script from SQL Plus, I am prompted to enter a substitute value for the string starting with &. How do I disable this feature so that SQL Plus ignores the ampersand?
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Change key pair for ec2 instance
...thanks to Eric Hammond's blog post:
Stop the running EC2 instance
Detach its /dev/xvda1 volume (let's call it volume A) - see here
Start new t1.micro EC2 instance, using my new key pair. Make sure you create it in the same subnet, otherwise you will have to terminate the instance and create it aga...