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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
... those imperatives?
– zneak
Apr 26 '10 at 1:54
3
COUNT(1) looks like a magic number, one that is ...
Inline SVG in CSS
..."data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='%23F00'/><stop offset='90%' stop-color='%23fcc'/> </linearGradient><rect fill='url(%23gradient)' x='0' y='0' width='10...
What is the JavaScript convention for no operation?
... Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since most browsers seem to do nothing to execute the noop defined this way (and hence save CPU cycles), there might be some performance issues associated with this (as is also mention...
Detect encoding and make everything UTF-8
... |
edited Jul 8 '19 at 11:10
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
Best way to center a on a page vertically and horizontally? [duplicate]
... in IE7).
This trick will work with any sizes of div.
div {
width: 100px;
height: 100px;
background-color: red;
position: absolute;
top:0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
}
<div></div>
...
What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...ifference.)
– aerique
Jul 23 '14 at 10:57
4
@Cupcake could you add the meaning off ... in git dif...
Getters \ setters for dummies
...
102
In addition to @millimoose's answer, setters can also be used to update other values.
functio...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
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How can you dynamically create variables via a while loop? [duplicate]
...te the key names and associate a value to each.
a = {}
k = 0
while k < 10:
<dynamically create key>
key = ...
<calculate value>
value = ...
a[key] = value
k += 1
There are also some interesting data structures in the new 'collections' module that might be...
Using varchar(MAX) vs TEXT on SQL Server
...
answered May 7 '09 at 14:10
Robin DayRobin Day
92.5k2222 gold badges110110 silver badges160160 bronze badges
...