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Why are dates calculated from January 1st, 1970?
Is there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
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Open file dialog and select a file using WPF controls and C#
I have a TextBox named textbox1 and a Button named button1 .
When I click on button1 I want to browse my files to search only for image files (type jpg, png, bmp...).
And when I select an image file and click Ok in the file dialog I want the file directory to be written in the textbox1.tex...
“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
I'm under osx 10.8.4 and have installed gdb 7.5.1 with homebrew (motivation get a new gdb with new features such as --with-python etc... )
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Converting integer to string in Python
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There is not typecast and no type coercion in Python. You have to convert your variable in an explicit way.
To convert an object in string you use the str() function. It works with any object that has a method called __str__() defined. In fact
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How do I write stderr to a file while using “tee” with a pipe?
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I'm assuming you want to still see STDERR and STDOUT on the terminal. You could go for Josh Kelley's answer, but I find keeping a tail around in the background which outputs your log file very hackish and cludgy. Notice how you need to keep an exra FD and do cleanu...
Escape double quotes in a string
...it. This is just a way to tell C# that the character is part of the string and not a string terminator.
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Reverse Y-Axis in PyPlot
I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
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How to know what the 'errno' means?
...s useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include <string.h>
/* ... */
if(read(fd, buf, 1)==-1) {
printf("Oh dear, something went wrong with read()! %s\n", strerror(errno));
}
Linux also supp...
Map function in MATLAB?
...live without. Is there a better version out there? Is there a somewhat-standard functional programming library for MATLAB out there that I'm missing?
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