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Is log(n!) = Θ(n·log(n))?
... = log(1) + log(2) + ... + log(n-1) + log(n)
You can get the upper bound by
log(1) + log(2) + ... + log(n) <= log(n) + log(n) + ... + log(n)
= n*log(n)
And you can get the lower bound by doing a similar thing after throwing away the first half of the sum:
lo...
What exactly is the meaning of an API? [closed]
...a C library
Core Windows system calls: WinAPI
The Classes and Methods in Ruby's core library
The Document Object Model exposed by browsers to JavaScript
Web services, such as those provided by Facebook's Graph API
An implementation of a protocol such as JNI in Java
Happy coding.
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Using the scrollwheel in GNU screen
... [..]
The first argument specifies which terminal(s) should be affected by this
definition. You can specify multiple terminal names by separating them with
`|'s. Use `*' to match all terminals and `vt*' to match all terminals that
begin with "vt".
[..]
Some examples:
termcap xter...
How to check if element exists using a lambda expression?
...we are not actually interested in the tab, but some mapping of it. Second, by using method references (which is only possible because we break the initial lambda into two steps) we show that there are no surprises hidden in the code. Third, by using method references, we do not create a new Predicat...
Access Asset Catalog programmatically
...rogrammatically. How would I access my images, now? Do I still access them by their file names like so:
4 Answers
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Automatically plot different colored lines
...Order for a specific axis or globally via DefaultAxesColorOrder). However, by default MATLAB only specifies a short list of colors (just 7 as of R2013b) to cycle through, and on the other hand it can be problematic to find a good set of colors for more data series. For 10 plots, you obviously cannot...
View all TODO items in Visual Studio using GhostDoc
...erent string than TODO, you can make those show upin the task list as well by going to Tools->Options->Task List and adding items to the "Token list:" there (along with priority).
– Noah Richards
Jan 29 '10 at 21:26
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“Java DateFormat is not threadsafe” what does this leads to?
...times and you will see:
Exceptions:
Here are a few examples:
1.
Caused by: java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Long.parseLong(Long.java:431)
at java.lang.Long.parseLong(Lon...
What is the benefit of using $() instead of backticks in shell scripts?
...e flagged for failing to automatically relicense away from SO defaults (CC-BY-SA or MIT licenses) in order to allow for such warranties or fitness of purpose. I would instead reuse code on SO at my own risk, and vote contributions according to helpfulness, technical merits, etc.
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Pointer expressions: *ptr++, *++ptr and ++*ptr
Recently I have come across this problem which I am unable to understand by myself.
10 Answers
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