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Reasons for using the set.seed function
...s the possible desire for reproducible results, which may for example come from trying to debug your program, or of course from trying to redo what it does:
These two results we will "never" reproduce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sa...
Places where JavaBeans are used?
...urn users;
In for example a Servlet class you can use it to transfer data from the database to the UI:
protected void doGet(HttpServletRequest request, HttpServletResponse response) {
List<User> users = userDAO.list();
request.setAttribute("users", users);
request.getRequestDispat...
How the single threaded non blocking IO model works in Node.js
...t/context the notified event belongs to and proceed processing the request from there. Note that this will necessarily mean you'll be on a different stack frame from the one that originated the request to the OS as the latter had to yield to a process' dispatcher in order for a single threaded proce...
Is “inline” without “static” or “extern” ever useful in C99?
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From the standard (ISO/IEC 9899:1999) itself:
Appendix J.2 Undefined Behaviour
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A function with external linkage is declared with an inline function specifier, but is not also defined in the same translation ...
How can I check the extension of a file?
...names. (docs)
os.path.splitext takes a path and splits the file extension from the end of it.
import os
filepaths = ["/folder/soundfile.mp3", "folder1/folder/soundfile.flac"]
for fp in filepaths:
# Split the extension from the path and normalise it to lowercase.
ext = os.path.splitext(fp...
Determine installed PowerShell version
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thank you! NB: On my XP where I manually upgraded from v1 Powershell, the actual folder and registry paths (misleadingly?!) reference v1 NOT v2. This is as others here specify, but it was the reason why I was so worried whether I had installed it. My path is ; C:\WINDOWS\sys...
How to generate .NET 4.0 classes from xsd?
What are the options to generate .NET 4.0 c# classes (entities) from an xsd file, using Visual Studio 2010?
10 Answers
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Get bitcoin historical data [closed]
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Actually, you CAN get the whole Bitcoin trades history from Bitcoincharts in CSV format here :
http://api.bitcoincharts.com/v1/csv/
it is updated twice a day for active exchanges, and there is a few dead exchanges, too.
EDIT: Since there are no column headers in the CSVs, here'...
Can an Android NFC phone act as an NFC tag?
From what I have understood so far, an NFC phone will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from?
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What is the difference between Class Path and Build Path
...or example, using Eclipse with the m2eclipse, the buildpath is synthesized from the POM files.)
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