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Moving and vanishing lines of code; trouble with Eclipse's XML Editor
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edited Nov 7 '12 at 4:03
flyingsandwich
7711 silver badge66 bronze badges
answered Oct 18 '12 at 0:5...
Select unique or distinct values from a list in UNIX shell script
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Mar 6 '09 at 10:34
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How to return multiple lines JSX in another return statement in React?
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This no longer works (as of 0.9ish) Uncaught Error: Invariant Violation: Product.render(): A valid ReactComponent must be returned. You may have returned undefined, an array or some other invalid object.
– dogmatic69
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HTML select form with option to enter custom value
...o the input, with a value of the id of the datalist.
Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level needed for this functionality. See caniuse for detailed browser support.
It looks like this:
<input type="text" lis...
Can you create nested WITH clauses for Common Table Expressions?
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305
While not strictly nested, you can use common table expressions to reuse previous queries in su...
MySQL get row position in ORDER BY
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120
Use this:
SELECT x.id,
x.position,
x.name
FROM (SELECT t.id,
t....
Detecting an undefined object property
...ator to get at the special undefined value itself:
if(myVariable === void 0) {
alert("myVariable is the special value `undefined`");
}
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follo...
Are the decimal places in a CSS width respected?
...nal pixels, but if your percentage values yield integer pixel value (e.g. 50.5% of 200px in the example) you'll get sensible, expected behaviour.
Edit: I've updated the example to show what happens to fractional pixels (in Chrome the values are truncated, so 50, 50.5 and 50.6 all show the same widt...
Python Empty Generator Function
...enerator function definitions:
def zeros():
while True:
yield 0
def ones():
while True:
yield 1
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At the end of that long list, I'd rather see something with a yield in it, like this:
def empty():
return
yield
or, in Python 3.3 and above (as suggested by DSM...