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How to tell whether a point is to the right or left side of a line
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204
Use the sign of the determinant of vectors (AB,AM), where M(X,Y) is the query point:
position ...
How do I output coloured text to a Linux terminal?
...quences are not supported, garbage will show up.
Example:
cout << "\033[1;31mbold red text\033[0m\n";
Here, \033 is the ESC character, ASCII 27. It is followed by [, then zero or more numbers separated by ;, and finally the letter m. The numbers describe the colour and format to switch to fr...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
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304
After my initial struggle with the link and controller functions and reading quite a lot about ...
When is the thread pool used?
...the thread pool is required and created: process.env.UV_THREADPOOL_SIZE = 10;
If you want traditional multi-processing or multi-threading in node, you can get it through the built in cluster module or various other modules such as the aforementioned webworker-threads, or you can fake it by imple...
Extracting an attribute value with beautifulsoup
...ending on what you want exactly you either should do:
output = input_tag[0]['value']
or use .find() method which returns only one (first) found element:
input_tag = soup.find(attrs={"name": "stainfo"})
output = input_tag['value']
...
Loop inside React JSX
...the arguments to a function call would go:
return tbody(
for (var i = 0; i < numrows; i++) {
ObjectRow()
}
)
See how the function tbody is being passed a for loop as an argument – leading to a syntax error.
But you can make an array, and then pass that in as an argument:
v...
How can I convert byte size into a human-readable format in Java?
...matting byte size to human readable format | Programming.Guide
SI (1 k = 1,000)
public static String humanReadableByteCountSI(long bytes) {
if (-1000 < bytes && bytes < 1000) {
return bytes + " B";
}
CharacterIterator ci = new StringCharacterIterator("kMGTPE");
...
OO Design in Rails: Where to put stuff
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Adam Zerner
10.6k1313 gold badges5454 silver badges115115 bronze badges
answered Jul 1 '09 at 21:35
Yehuda KatzYeh...
How to trigger the window resize event in JavaScript?
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401
Where possible, I prefer to call the function rather than dispatch an event. This works well if...
Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
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