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R and version control for the solo data analyst
...his is pretty much a moot point.
3 What is a good strategy for getting started with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)?
Keep files that generate data or reports under version control, be selective. If you are using something li...
Why can't decimal numbers be represented exactly in binary?
...
That notation system works if we know where the cycle starts and ends. Humans are pretty good at detecting cycles. But, in general, computers aren't. To use be able to use a repetition symbol effectively, the computer would have to be able to figure out where the cycles are afte...
Populate data table from data reader
...s: {0} milliseconds", readerLoadTinyTableTime);
}
Process.Start("result_sql_compare.txt");
}
private long MeasureExecutionTimeMethod(SqlConnection conn, string query, Action<SqlConnection, string> Method)
{
long time; // know C#
// execute single r...
How to sign an android apk file
...lication, and click
Next.
The Export Android Application wizard now starts, which will guide
you through the process of signing
your application, including steps for
selecting the private key with which
to sign the .apk (or creating a new
keystore and private key).
Complete the Ex...
Using node.js as a simple web server
...b server. Just open any HTML file in Brackets, press "Live Preview" and it starts a static server and opens your browser at the page. The browser will **auto refresh whenever you edit and save the HTML file. This especially useful when testing adaptive web sites. Open your HTML page on multiple brow...
Does ruby have real multithreading?
...he one employed by, say, the CLR, Mono, and pretty much every JVM.
MacRuby started out as a port of YARV on top of the
Objective-C Runtime and CoreFoundation and Cocoa Frameworks. It
has now significantly diverged from YARV, but AFAIK it currently
still shares the same Threading Model with YARV.
...
Verifying a specific parameter with Moq
I'm starting using Moq and struggling a bit.
I'm trying to verify that messageServiceClient is receiving the right parameter, which is an XmlElement, but I can't find any way to make it work. It works only when I don't check a particular value.
...
Why does C++ need a separate header file?
...ders help. check minix source for example, it's so hard to follow where it starts to where control is passed, where things are declared/defined.. if it was built via separated dynamic modules, it would be digestible by making sense of one thing then jumping to a dependency module. instead, you need ...
Things possible in IntelliJ that aren't possible in Eclipse?
... and Hibernate configuration right when you edit it, so I do not need to restart server to know that I misspelled class name, or added constructor parameter so my Spring cfg is invalid.
Last time I tried, I could not run Eclipse on Windows XP x64.
and it will suggest you person.name or person.addr...
Avoiding if statement inside a for loop?
...sing namespace std;
set<char> s{'b', 'a', 'c'};
// indices starting at 1 instead of 0
for_each_indexed(s, [](size_t i, char e) { cout<<i<<'\t'<<e<<'\n'; }, 1u);
cout << "-----" << endl;
vector<int> v{77, 88, 99};
// without...