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Python progression path - From apprentice to guru
... community wiki
3 revs, 3 users 85%Mark Harrison
1
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HTML entity for the middle dot
... ● E2 97 8F
⬤ Black Large Circle U+2B24 ⬤ E2 AC A4
Depending on your viewing application or font, the Bullet Operator may seem very similar to either the Middle Dot or the Bullet.
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How to 'minify' Javascript code
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//same as
1e12
var oneDayInMS=1000*60*60*24;
//same as
var oneDayInMS=864e5;
var a=10;
a=1+a;
a=a*2;
//same as
a=++a*2;
Some nice articles/sites i found about bitwise/shorthand:
http://mudcu.be/journal/2011/11/bitwise-gems-and-other-optimizations/
http://www.140byt.es/
http://www.jquery4u.co...
Easy way to see saved NSUserDefaults?
...F6-7D7C-4E45-AE2F-F45220A71823/data/Containers/Data/Application/E4CC51CF-11E5-4168-8A74-6BAE3B89998F/Library/Preferences/com.awesome.app.plist
And from there you can use open command. Or if you use iTerm2, just command-click on the path to open it.
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...mple, sum for "date" doesn't make sense though....
– A5C1D2H2I1M1N2O1R2T1
Mar 21 '16 at 3:53
5
Wh...
How to undo a git pull?
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git reflog show gave this output: c9e5e4d HEAD@{0}: pull : Fast forward 1c86a22 HEAD@{1}: pull origin master: Fast forward 05c141a HEAD@{2}: pull : Fast forward Can I safely reset the HEAD to HEAD@{1}
– Kartins
Apr 28 '11 ...
jQuery vs document.querySelectorAll
...s Array.filter: Native 70% slower
DOM: $.show/hide vs display none: Jquery 85% slower
AJAX: $.ajax vs XMLHttpRequest: Jquery 89% slower
Height: $.outerHeight vs offsetHeight: Jquery 87% slower
Attr: $.attr vs setAttribute: Jquery 86% slower
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Get JSON object from URL
...stin Hileman
>>> $q = new stdClass;
=> <stdClass #000000005f2b81c80000000076756fef> {}
>>> $q->{'qwert-y'} = 123
=> 123
>>> var_dump($q);
class stdClass#174 (1) {
public $qwert-y =>
int(123)
}
=> null
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What to do about a 11000 lines C++ source file?
... community wiki
3 revs, 2 users 85%Kirill V. Lyadvinsky
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How do I print out the contents of an object in Rails for easy debugging?
...requiring is required.
@a = Accrual.first ; pp @a
#<Accrual:0x007ff521e5ba50
id: 4,
year: 2018,
Jan: #<BigDecimal:7ff521e58f08,'0.11E2',9(27)>,
Feb: #<BigDecimal:7ff521e585d0,'0.88E2',9(27)>,
Mar: #<BigDecimal:7ff521e58030,'0.0',9(27)>,
Apr: #<BigDecimal:7ff521e53698,...