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Detecting superfluous #includes in C/C++?
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edited Sep 9 '15 at 15:01
Nick
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answe...
pip issue installing almost any library
...system
– Allen Butler
Aug 31 '16 at 15:46
23
I still get an error- Could not fetch URL https://py...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...one.
– Andrew Barrett
May 25 '10 at 15:55
Someone pointed out to me that this doesn't always work as expected. Consid...
How to check if a view controller is presented modally or pushed on a navigation stack?
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Cœur
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answered May 12 '14 at 23:07
ColdLogicColdLo...
Keep SSH session alive [closed]
...side setting?
– maxschlepzig
Jun 2 '15 at 15:40
The config must only be user-writable. readability is not a concern. U...
Android 4.3 Bluetooth Low Energy unstable
... same thread on Samsung Galaxy S3 with Android 4.3 (at least for build JSS15J.I9300XXUGMK6)
Most devices filter advertising
Better not use android.bluetooth.BluetoothAdapter#startLeScan(UUID[] serviceUuids, LeScanCallback callback) with the parameter to filter for certain service UUIDs because this...
What is tail recursion?
... that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), this is what t...
Counting the number of elements with the values of x in a vector
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ShaneShane
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22
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How can I check if a Perl array contains a particular value?
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edited Sep 10 '15 at 22:43
answered Jun 25 '11 at 1:59
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Pick a random element from an array
...ns/10984974/…
– Kent Liau
Feb 12 '15 at 10:01
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