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Canary release strategy vs. Blue/Green
...n with the addition of smart routing of specific users to the new version. Read the post for a detailed comparison
Blue/Green:
Canary:
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Default template arguments for function templates
...r called the upcomming standard C++11 after last saturdays meeting. I just read it today and feel like sharing :) herbsutter.wordpress.com/2010/03/13/…
– David Rodríguez - dribeas
Mar 15 '10 at 14:05
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
... answered Sep 9 '08 at 0:50
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...SSH server on the Pi, which is disabled by default for security.
If you already have a shell on the Pi through a non-SSH method such as screen + keyboard or UART (see below), just run:
sudo systemctl enable ssh
sudo service sshd start
as explained at: https://raspberrypi.stackexchange.com/questi...
What is the 'override' keyword in C++ used for? [duplicate]
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The override keyword serves two purposes:
It shows the reader of the code that "this is a virtual method, that is overriding a virtual method of the base class."
The compiler also knows that it's an override, so it can "check" that you are not altering/adding new methods that you...
'any' vs 'Object'
... Does anybody know why they decided to add {} then if they already had Object? (or vice versa, whichever came first) There's got to be some slight difference, right?
– CletusW
May 25 '17 at 16:01
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Converting from longitude\latitude to Cartesian coordinates
...:
lat = asin(z / R)
lon = atan2(y, x)
asin is of course arc sine. read about atan2 in wikipedia. Don’t forget to convert back from radians to degrees.
This page gives c# code for this (note that it is very different from the formulas), and also some explanation and nice diagram of why t...
Disable soft keyboard on NumberPicker
...
After reading through the com/android/internal/widget/NumberPicker.java source code i got to the following solution:
// Hide soft keyboard on NumberPickers by overwriting the OnFocusChangeListener
OnFocusChangeListener fcl = new O...
What columns generally make good indexes?
... using to join with another table is a good candidate for an index.
Also, read about the Missing Indexes feature. It monitors the actual queries being used against your database and can tell you what indexes would have improved the performace.
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Best implementation for hashCode method for a collection
...is an extension of dmeister's Answer with just code that is much easier to read and understand.
@Override
public int hashCode() {
// Start with a non-zero constant. Prime is preferred
int result = 17;
// Include a hash for each field.
// Primatives
result = 31 * result + (b...