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How to query MongoDB with “like”?
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2036
That would have to be:
db.users.find({"name": /.*m.*/})
or, similar:
db.users.find({"name"...
Perform debounce in React.js
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2019: try hooks + promise debouncing
This is the most up to date version of how I would solve this problem. I would use:
awesome-debounce-promise to debounce the async function
use-constant to store that debounced function ...
How to change progress bar's progress color in Android
... android:centerColor="#ff5a5d5a"
android:centerY="0.75"
android:endColor="#ff747674"
android:angle="270"
/>
</shape>
</item>
<item android:id="@android:id/secondaryProgress">
<clip>
<shape...
postgresql list and order tables by size
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gotqn
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answered Feb 12 '14 at 20:07
a_horse_with_no_namea_horse_with_...
How to pop an alert message box using PHP?
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answered Nov 29 '16 at 14:07
Deepak PlayDeepak Play
31122 silver badges77 bronze badges
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What is the best way to conditionally apply a class?
...' : '' ?
– Malvolio
May 7 '12 at 22:07
17
@Malvolio AFAIR, ternary operator was not working withi...
Generating a random & unique 8 character string using MySQL
...TE vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@lid)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', rand(@seed:=round(rand(@seed)*4294967296))*36+1, 1),
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', ran...
Why doesn't Dijkstra's algorithm work for negative weight edges?
... A
/ \
/ \
/ \
5 2
/ \
B--(-10)-->C
V={A,B,C} ; E = {(A,C,2), (A,B,5), (B,C,-10)}
Dijkstra from A will first develop C, and will later fail to find A->B->C
EDIT a bit deeper explanation:
Note that this is important, because in each relaxa...
