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What is SOA “in plain english”? [closed]
...ll bedrock software-development principles, many of them first articulated by David Parnas.
What's new in SOA is
You're doing it on a network.
Modules are communicating by sending messages to each other over the network, rather than by more tradtional programming-language mechanisms like procedur...
Nested select statement in SQL Server
...
The answer provided by Joe Stefanelli is already correct.
SELECT name FROM (SELECT name FROM agentinformation) as a
We need to make an alias of the subquery because a query needs a table object which we will get from making an alias for the...
Create tap-able “links” in the NSAttributedString of a UILabel?
...
In general, if we want to have a clickable link in text displayed by UILabel, we would need to resolve two independent tasks:
Changing the appearance of a portion of the text to look like a link
Detecting and handling touches on the link (opening an URL is a particular case)
The first o...
Use of the MANIFEST.MF file in Java
... are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to version 1.0 of the manifest specification.
The manifest can also contain information about the other files that are packaged in the archive. Exactly what file informa...
What does ^M character mean in Vim?
...3th letter in the English alphabet).
You can remove all the ^M characters by running the following:
:%s/^M//g
Where ^M is entered by holding down Ctrl and typing v followed by m, and then releasing Ctrl. This is sometimes abbreviated as ^V^M, but note that you must enter it as described in the ...
Why do you need ./ (dot-slash) before executable or script name to run it in bash?
... you type a command the shell looks up a list of directories, as specified by the PATH variable. The current directory is not in that list.
The reason for not having the current directory on that list is security.
Let's say you're root and go into another user's directory and type sl instead of ls...
Objective-C declared @property attributes (nonatomic, copy, strong, weak)
... at this moment, and you don't want that value to reflect any changes made by other owners of the object. You will need to release the object when you are finished with it because you are retaining the copy.
Assign
Assign is somewhat the opposite to copy. When calling the getter of an assign propert...
What is the difference between a deep copy and a shallow copy?
...anybody else wondering about this: "shallow copy copies the value type bit by bit" is correct, but it's a bit confusing. If you have a Customer object which "has" an Address object, copying the Customer object "bit by bit" means that the pointer/reference to the Address object is copied. Original an...
What is the difference between :first-child and :first-of-type?
...
Among these children, only one of them can be the first. This is matched by :first-child:
<div class="parent">
<div>Child</div> <!-- :first-child -->
<div>Child</div>
<div>Child</div>
<div>Child</div>
</div>
The differenc...
In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... the exception in the caller. With Runtime exceptions, I am not forced to by the compiler, but can write a unit test that makes me deal with it. Since I still believe that the earlier a bug is caught the cheaper it is to fix it, I prefer CheckedExceptions for this reason.
From a philosophical poi...