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What is the use of ObservableCollection in .net?
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From Pro C# 5.0 and the .NET 4.5 Framework
The ObservableCollection<T> class is very useful in that it has the ability to inform external objects
when its contents have changed in some way (as you might guess, working ...
CALL command vs. START with /WAIT option
...ns.
call myProg param1 param^^2 "param^3" %%path%%
Will be expanded to (from within an batch file)
myProg param1 param2 param^^3 <content of path>
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Why is document.write considered a “bad practice”?
... understand the urge to depend on structure and methods which can keep you from harm, this may be a case of throwing out the baby with the bathwater.
– cgp
Apr 29 '09 at 15:50
7
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When to use LinkedList over ArrayList in Java?
.... Javadoc says "operations that index into the list will traverse the list from the beginning or the end, whichever is closer", so those methods are O(n) (n/4 steps) on average, though O(1) for index = 0.
ArrayList<E>, on the other hand, allow fast random read access, so you can grab any elem...
JSON, REST, SOAP, WSDL, and SOA: How do they all link together
... developing a web-application and you decide to decouple the functionality from the presentation of the application, because it affords greater freedom.
You create an API and let others implement their own front-ends over it as well. What you just did here is implement an SOA methodology, i.e. usi...
How to configure postgresql for the first time?
...me name as you (i.e. whoami). template1 is the admin database that is here from the start.
Now createdb <dbname> should work.
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How does java do modulus calculations with negative numbers?
... This doesn't work good if n is negative. If you user same example from Java 7 Lang Spec (Section 15.17.3): (-5) % (-3) = -2. Adding -3 will not work. You should add absolute value of n if you want to be sure that value is positive.
– partlov
Jul 2 '14 ...
'git status' shows changed files, but 'git diff' doesn't
...might not.
The mode (permission bits) of the file changed-- for example, from 777 to 700.
The line feed style changed from CRLF (DOS) to LF (UNIX)
The easiest way to find out what happened is to run git format-patch HEAD^ and see what the generated patch says.
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How do you normalize a file path in Bash?
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if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too.
dirname /foo/bar/baz
# /foo/bar
basename /foo/bar/baz
# baz
dirname $( dirname /foo/bar/baz )
# /foo
realpath ../foo
# ../foo: No ...
How do I print debug messages in the Google Chrome JavaScript Console?
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Executing following code from the browser address bar:
javascript: console.log(2);
successfully prints message to the "JavaScript Console" in Google Chrome.
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