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What's the best way of structuring data on firebase?
...No biggie if none of those things number in thousands. But a big deal for 10k users with upwards of 5k messages each.
So now the optimal strategy for a hierarchical, real-time structure becomes more obvious:
/user_meta/uid/email
/messages/uid/...
/widgets/uid/...
An additional tool which is extr...
Test if remote TCP port is open from a shell script
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460
As pointed by B. Rhodes, nc (netcat) will do the job. A more compact way to use it:
nc -z <ho...
What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
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answered May 9 '10 at 23:16
AaronaughtAaronaught
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Why was the arguments.callee.caller property deprecated in JavaScript?
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edited May 1 '14 at 19:10
Pacerier
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answe...
Difference between Observer, Pub/Sub, and Data Binding
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+50
Here's my take on the three:
Data Binding
Essentially, at the core this just means "the value of property X on object Y is semantica...
What do
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edited Aug 8 '10 at 9:43
answered Aug 6 '10 at 20:57
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Twitter Bootstrap - how to center elements horizontally or vertically
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Update: while this answer was likely correct back in early 2013, it should not be used anymore. The proper solution uses offsets.
As for other users suggestion there are also native bootstrap classes available like:
class="text-center"
class="pagination-centered"
thanks to @Henn...
Is “double hashing” a password less secure than just hashing it once?
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270
Hashing a password once is insecure
No, multiple hashes are not less secure; they are an essent...
How to print the values of slices
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answered Jun 30 '14 at 11:48
VonCVonC
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What is a tracking branch?
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edited May 8 at 19:50
community wiki
6 re...