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In an array of objects, fastest way to find the index of an object whose attributes match a search
...round a little trying to find an efficient way to do this, but have gotten nowhere. I have an array of objects that looks like this:
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grunt: command not found when running from terminal
...in from my home directory (i.e. 'cd ~') and it installed as before, except now I can run the grunt command and it is recognised.
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psql: could not connect to server: No such file or directory (Mac OS X)
...nstall postgresql
Start server : brew services start postgresql
You should now have to create your databases... (createdb)
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How to round up to the nearest 10 (or 100 or X)?
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The above doesn't work when x is a vector - too late in the evening right now :)
> roundUpNice(0.0322)
[1] 0.04
> roundUpNice(3.22)
[1] 4
> roundUpNice(32.2)
[1] 40
> roundUpNice(42.2)
[1] 50
> roundUpNice(422.2)
[1] 500
[[EDIT]]
If the question is how to round to a specified nea...
REST APIs: custom HTTP headers vs URL parameters
... my API via an authorised container (like my mobile app)? What I'm doing now is that my mobile app is not authorised to perform any action on its own and neither the end user.. both credentials must be present if the user is willing to perform an action.
– bolbol
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How to calculate a logistic sigmoid function in Python?
...do it:
import math
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not teste...
partial string formatting
...ncept not in the body of your answer? That's a bit elusive. Are there any known caveats preventing you from promoting it?
– norok2
Jul 26 '19 at 14:20
1
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Retrieve only the queried element in an object array in MongoDB collection
...y only return the array "shapes" and it won't return other fields. Anyone knows how to return other fields also?
– Mark Thien
Jul 29 '16 at 0:24
1
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How to convert Nonetype to int or string?
...y:
Somehow I got an Nonetype value, it supposed to be an int, but it's now a Nonetype object
If it's your code, figure out how you're getting None when you expect a number and stop that from happening.
If it's someone else's code, find out the conditions under which it gives None and determin...
How to run a Runnable thread in Android at defined intervals?
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Alex, i have one small doubt.Now the thread is running perfectly and displaying the text continously, if i want to stop this means what i have to do?Please help me.
– Rajapandian
Dec 17 '09 at 14:19
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