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How to get all subsets of a set? (powerset)
...tatement to range(1, len(s)+1) to avoid a 0-length combination", except in my case you change for i in range(1 << x) to for i in range(1, 1 << x).
Returning to this years later, I'd now write it like this:
def powerset(s):
x = len(s)
masks = [1 << i for i in range(x)]
...
How to store values from foreach loop into an array?
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I have issue where my array returns only last element that was pushed into array. Using count as suggested by you resolved my issue.
– Jass Preet
Jun 19 at 5:53
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What are the most common SQL anti-patterns? [closed]
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My favorite is when people embed HTML AND javascript, e.g. SELECT '<a href=... onclick="">' + name ' </a>'
– Matt Rogish
Jan 14 '09 at 17:19
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Difference between char* and const char*?
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char mystring[101] = "My sample string";
const char * constcharp = mystring; // (1)
char const * charconstp = mystring; // (2) the same as (1)
char * const charpconst = mystring; // (3)
constcharp++; // ok
charconstp++; // ok
cha...
How to stop mysqld
To find out the start command for mysqld (using a mac) I can do:
17 Answers
17
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Can comments be used in JSON?
...N that can be parsed. So, you might use it like:
JSON.parse(JSON.minify(my_str));
When I released it, I got a huge backlash of people disagreeing with even the idea of it, so I decided that I'd write a comprehensive blog post on why comments make sense in JSON. It includes this notable comment ...
What are the best practices for JavaScript error handling?
I'm looking to start making my JavaScript a bit more error proof, and I'm finding plenty of documentation on using try , catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors.
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Render HTML to an image
...e is how you use it (some more here):
var node = document.getElementById('my-node');
domtoimage.toPng(node)
.then (function (dataUrl) {
var img = new Image();
img.src = dataUrl;
document.appendChild(img);
})
.catch(function (error) {
console.error('oops,...
How to remove css property in jQuery
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You saved my day!
– spycbanda
Jul 21 at 14:38
If a pr...
You must enable the openssl extension to download files via https
...mp64\bin\apache OR 2. C:\wamp64\bin\php\php7.0.0 ?
– MyDaftQuestions
Apr 3 '16 at 14:54
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