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How to make an OpenGL rendering context with transparent background?
...ow manager, for reference I post my example code here (also to be found at https://github.com/datenwolf/codesamples/blob/master/samples/OpenGL/x11argb_opengl/x11argb_opengl.c
/*------------------------------------------------------------------------
* A demonstration of OpenGL in a ARGB window
...
Difference between JSONObject and JSONArray
...frences between JSON object and JSON array:
Link to Tabular Difference : https://i.stack.imgur.com/GIqI9.png
JSON Array
1. Arrays in JSON are used to organize a collection of related items
(Which could be JSON objects)
2. Array values must be of type string, number, object, array, boolean or...
UITableView - change section header color
...tView.backgroundColor = [UIColor blackColor];
}
Taken from my post here:
https://happyteamlabs.com/blog/ios-how-to-customize-table-view-header-and-footer-colors/
Swift 3 / 4
func tableView(_ tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int){
view.tintColor ...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...perform excellent in such a scenario. Here's a shameless blog plug: http://www.hydrogen18.com/blog/unpickling-buffers.html . I'm using Stackless, which is derived from CPython and retains the full C module interface. I didn't find any advantage to using PyPy in that case.
python date of the previous month
...today.
when = datetime.datetime.today()
# Find previous month: https://stackoverflow.com/a/9725093/564514
# Find today.
first = datetime.date(day=1, month=when.month, year=when.year)
# Use that to find the first day of this month.
prev_month_end = first - datetime.timedel...
How to write file if parent folder doesn't exist?
...creates all missing directories for you.
This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to read some introduction to promises first. It might actually complica...
Delete duplicate rows from small table
...ename) t
WHERE t.rnum > 1);
provided by Postgres wiki:
https://wiki.postgresql.org/wiki/Deleting_duplicates
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Use CSS to automatically add 'required field' asterisk to form inputs
...ss="required">Name:</label>
<input type="text">
See https://developer.mozilla.org/en-US/docs/Web/CSS/pseudo-elements
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Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...human clients through our application?' Combine this with the power of the WWW infrastructure and you'll get a killer tool for building great distributed applications.
Another possible explanation is for mathematically thinking people. Each application is basically a state machine with business log...
What is the best way to tell if a character is a letter or number in Java without using regexes?
...space
if ((ch == ' ') || (ch =='\n') || (ch == '\t'))
// ...
Source: https://docs.oracle.com/javase/tutorial/i18n/text/charintro.html
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