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Event system in Python
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PyPI packages
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
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How to change an Eclipse default project into a Java project
I checked out a project from SVN and did not specify the project type, so it checked out as a "default" project. What is the easiest way to quickly convert this into a "Java" project?
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Should I use string.isEmpty() or “”.equals(string)?
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The main benefit of "".equals(s) is you don't need the null check (equals will check its argument and return false if it's null), which you seem to not care about. If you're not worried about s being null (or are otherwise checking for it), I would definitely use s.isEmpty(); it shows ex...
Appending a line to a file only if it does not already exist
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Just keep it simple :)
grep + echo should suffice:
grep -qxF 'include "/configs/projectname.conf"' foo.bar || echo 'include "/configs/projectname.conf"' >> foo.bar
-q be quiet
-x match the whole line
-F pattern is a pla...
Install tkinter for Python
I am trying to import Tkinter . However, I get an error stating that Tkinter has not been installed:
20 Answers
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...obability field through the Probability property, but the compiler doesn't know that the property sets the field... so you need to explicitly initialize the probability field itself
public AttackTraits(double probability, int damage, float distance)
{
this.probability = 0;
Distance = distan...
How to discover number of *logical* cores on Mac OS X?
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Brad Solomon
25.2k1414 gold badges8989 silver badges148148 bronze badges
answered Nov 11 '09 at 14:43
jkpjkp
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How to determine device screen size category (small, normal, large, xlarge) using code?
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You can use the Configuration.screenLayout bitmask.
Example:
if ((getResources().getConfiguration().screenLayout &
Configuration.SCREENLAYOUT_SIZE_MASK) ==
Configuration.SCREENLAYOUT_SIZE_LARGE) {
// on a large screen device ...
}
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What is the difference between Bower and npm?
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All package managers have many downsides. You just have to pick which you can live with.
History
npm started out managing node.js modules (that's why packages go into node_modules by default), but it works for the front-end too wh...
Fastest method to escape HTML tags as HTML entities?
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You could try passing a callback function to perform the replacement:
var tagsToReplace = {
'&': '&',
'<': '&lt;',
'>': '&gt;'
};
function replaceTag(tag) {
return tagsToReplace[tag] || tag;
}
function safe_tags...