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Remove duplicates from an array of objects in JavaScript
... fetching keys is never order guaranteed. So, you end up sorting it again. Now, suppose the array was not sorted but yet its order is important, there is no way you can make sure that order stays intact
– Deepak G M
Apr 17 '19 at 6:31
...
Time complexity of Euclid's Algorithm
...o follow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal...
How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...ally inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now.
So B::A and C::A are the same and so there can be no ambiguous calls from D. If you don't use virtual inheritance you have the second diagram above. And any call to a member of A the...
Set a cookie to never expire
...r and get sent to the client as a time near zero. (This is happening right now for 25-year cookies on PHP.)
– Riking
Apr 11 '13 at 22:28
84
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Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
...ing after around 30 seconds of trying to load. I changed it to 120000 and now they load successfully in 3-4 seconds. That's all I changed. Argh.
– Brian Knoblauch
Jul 25 '17 at 14:38
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Xcode doesn't see my iOS device but iTunes does
...
Select Window ➜ Organizer in Xcode.
Now under Devices, select your device.
If it is not ready for development then click use for development.
If above doesn't solve your problem then from your project settings, set deployment target to one which your app is dev...
Case-insensitive search in Rails model
...ot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to see the difference: "$##" and '$##'. T...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...'re super user in the linux system, try one of the following if you don't know the specific method your Mysql setup uses:
service mysqld stop
/etc/init.d/mysqld stop
mysqladmin -u root -p shutdown
Some systems aren't setup to have an elegant way to stop mysql (or for some reason mysql doesn't resp...
Where can I find Android source code online? [closed]
...up android. Some of the projects (such as Kernel) have been removed and it now only points you to clonable git repositories.
To get all the code locally, you can use the repo helper program, or you can just clone individual repositories.
And others:
Downloading the Source Tree
...
My pull request has been merged, what to do next?
...ontribute to'.
It is easier to:
delete your fix branch (actually, it is now deleted for you) on your fork (and in your local cloned repo: see "Delete a Git branch both locally and remotely")
git pull upstream master (if master was the branch in which your fix has been integrated: the merge will b...