Questions
Tutorials

### Finding critical values for the Pearson correlation coefficient?

The general structure of hypothesis testing is kind of a mish-mash of two systems: Fisherian and Neyman-Pearson. Statisticians understand ...

### Show two digits after decimal point in c++ [duplicate]?

cout &lt;&lt; fixed &lt;&lt; setprecision(2) &lt;&lt; total; setprecision specifies the minimum precision. So cout &lt;&lt; setprecisi...

### Shell - Write variable contents to a file?

Use the echo command: var="text to append"; destdir=/some/directory/path/filename if [ -f "\$destdir" ] then echo "\$var" &gt; "\$dest...

### What is the best file compression of random binary data that you can achieve? [closed]?

If file sizes could be specified accurate to the bit, for any file size N, there would be precisely 2^(N+1)-1 possible files of N bits or ...

### What does the UnobtrusiveJavaScriptEnabled key do in .NET??

From here: The purpose of that setting is explained by Brad Wilson in his post Unobtrusive Client Validation in ASP.NET MVC 3. Putting...

### Reading from text file - Objective C?

I'm going to suggest a little simplification which might solve your problem since I can't say what your problem is. From the information I...

### Write to rails console?

As other have said, you want to use either puts or p. Why? Is that magic? Actually not. A rails console is, under the hood, an IRB, so a...

### How to increase the font size of ggtitle in ggplot2?

Use theme(), here is an example : ggplot(cars, aes(x=speed,y=dist)) + ggtitle("cars") + geom_point() + theme(plot.title = elem...

### raw_input in python without pressing enter?

Under Windows, you need the msvcrt module, specifically, it seems from the way you describe your problem, the function msvcrt.getch: R...

### Checking if request is post back in PHP [duplicate]?

That will work if you know and expect such a submit button on the same page. If you don't immediately know anything about the request var...

### Create random shape/contour using matplotlib?

matplotlib Path A simple way to achieve random and quite smoothed shapes is using matplotlib.path module. Using a cubic Bézier curve, m...