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How to get all selected values from ?
Seemed odd I couldn't find this one already asked, but here it goes!
13 Answers
13
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Why does npm install say I have unmet dependencies?
I have a node package. When I run npm install from the package root, it installs a bunch of things, but then prints several error messages that look like this:
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onNewIntent() lifecycle and registered listeners
...point for singleTop activities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to rewrite your activity to not use these listeners inside of onNewInt...
How do you check if a JavaScript Object is a DOM Object?
...be of interest:
function isElement(obj) {
try {
//Using W3 DOM2 (works for FF, Opera and Chrome)
return obj instanceof HTMLElement;
}
catch(e){
//Browsers not supporting W3 DOM2 don't have HTMLElement and
//an exception is thrown and we end up here. Testing some
//properti...
How to strip all non-alphabetic characters from string in SQL Server?
...racters](@Temp VarChar(1000))
Returns VarChar(1000)
AS
Begin
Declare @KeepValues as varchar(50)
Set @KeepValues = '%[^a-z]%'
While PatIndex(@KeepValues, @Temp) > 0
Set @Temp = Stuff(@Temp, PatIndex(@KeepValues, @Temp), 1, '')
Return @Temp
End
Call it like this:
Select...
How to do a batch insert in MySQL
...nto a table. What is the best way to do this in a query? Should I just make a loop and insert one record per iteration? Or is there a better way?
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How to take screenshot of a div with JavaScript?
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No, I don't know of a way to 'screenshot' an element, but what you could do, is draw the quiz results into a canvas element, then use the HTMLCanvasElement object's toDataURL function to get a data: URI with the image's contents.
When t...
How to sort two lists (which reference each other) in the exact same way
...the above may sacrifice speed for terseness; the in-place version, which takes up 3 lines, is a tad faster on my machine for small lists:
>>> %timeit zip(*sorted(zip(list1, list2)))
100000 loops, best of 3: 3.3 us per loop
>>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tu...
How can I make my flexbox layout take 100% vertical space?
....wrapper {
display: flex;
flex-direction: column;
}
#row1 {
background-color: red;
}
#row2 {
background-color: blue;
}
#row3 {
background-color: green;
flex:2;
display: flex;
}
#col1 {
background-color: yellow;
flex: 0 0 240px;
min-height: 100%;/* chrome neede...
How do I find the duplicates in a list and create another list with them?
...
To remove duplicates use set(a). To print duplicates, something like:
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Note that Counter is not particularly efficient (timings) and probably overkil...