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How to identify platform/compiler from preprocessor macros?
...ompile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
4 Answers
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Which version of C# am I using
...I would be using python I would do something like python -V from the command line, or type:
16 Answers
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How do you make an array of structs in C?
... a question about the placement between the declaration of the struct type and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive ser...
brew install mysql on macOS
...ion with older versions of mysql already installed. I had the same problem and none of the above solutions worked for me. I fixed it thus:
Used brew's remove & cleanup commands, unloaded the launchctl script, then deleted the mysql directory in /usr/local/var, deleted my existing /etc/my.cnf (l...
What is the fastest way to send 100,000 HTTP requests in Python?
... file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to wri...
Get average color of image via Javascript
...e.net/xLF38/818/
Note, this will only work with images on the same domain and in browsers that support HTML5 canvas:
function getAverageRGB(imgEl) {
var blockSize = 5, // only visit every 5 pixels
defaultRGB = {r:0,g:0,b:0}, // for non-supporting envs
canvas = document.createE...
Immutability of Strings in Java
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str is not an object, it's a reference to an object. "Hello" and "Help!" are two distinct String objects. Thus, str points to a string. You can change what it points to, but not that which it points at.
Take this code, for example:
String s1 = "Hello";
String s2 = s1;
// s1 and s2 now ...
SQlite Getting nearest locations (with latitude and longitude)
I have data with latitude and longitude stored in my SQLite database, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
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What is the Scala identifier “implicitly”?
...ave seen a function named implicitly used in Scala examples. What is it, and how is it used?
3 Answers
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Split output of command by columns using Bash?
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And also, the field nunbers will be off if some PID:s are space padded on the left while others are not.
– tripleee
Mar 4 '15 at 14:58
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