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How to do date/time comparison
... time.LoadLocation("UTC")
// setup a start and end time
createdAt := time.Now().In(loc).Add(1 * time.Hour)
expiresAt := time.Now().In(loc).Add(4 * time.Hour)
// get the diff
diff := expiresAt.Sub(createdAt)
fmt.Printf("Lifespan is %+v", diff)
The program outputs:
Lifespan is 3h0m0s
http://pla...
How to run only one task in ansible playbook?
... role/stuff/tasks/main.yml
- name: do stuff
when: stuff|default(false)
Now, this task will not fire by default, but only if I set the stuff=true
$ ansible-playbook -e '{"stuff":true}'
or in a playbook:
roles:
- {"role":"stuff", "stuff":true}
...
The shortest possible output from git log containing author and date
...g appoi
93f1526 jesper Tue Nov 25 09:45:56 2008 +0000 adding time.ZONE.now as time zone
2f0f8c1 tobias Tue Nov 25 03:07:02 2008 +0000 Timezone configured in environment
a33c1dc jesper Tue Nov 25 01:26:18 2008 +0000 updated to most recent will_pagina
Inspired by stackoverflow question:...
What does -1 mean in numpy reshape?
...haped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
9 Answers
...
Explain the use of a bit vector for determining if all characters are unique
...d plus it can store more flags.
For future reference: bit vector is also known as bitSet or bitArray. Here are some links to this data structure for different languages/platforms:
CPP: BitSet
Java: BitSet
C#: BitVector32 and BitArray
...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
... or 15ms tick).
In Java 6, this behaviour was changed. The Hotspot VM now implements
Thread.yield() using the Windows SwitchToThread() API call. This call
makes the current thread give up its current timeslice, but not its
entire quantum. This means that depending on the priorities of oth...
How to create a fixed-size array of objects
...
The best you are going to be able to do for now is create an array with an initial count repeating nil:
var sprites = [SKSpriteNode?](count: 64, repeatedValue: nil)
You can then fill in whatever values you want.
In Swift 3.0 :
var sprites = [SKSpriteNode?](repea...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...does a comparison of resulting assembler and profiling info). For all we know, the OP's compiler may render the OP's code with a single branch opcode...
– Oliver Charlesworth
Jun 13 '13 at 19:50
...
How to write a large buffer into a binary file in C++, fast?
...es 2-5%.
Thanks a lot to everyone.
Update: 5 years have passed it's 2017 now. Compilers, hardware, libraries and my requirements have changed. That's why I made some changes to the code and did some new measurements.
First up the code:
#include <fstream>
#include <chrono>
#include &l...
How can I get the current date and time in UTC or GMT in Java?
...
tl;dr
Instant.now() // Capture the current moment in UTC.
Generate a String to represent that value:
Instant.now().toString()
2016-09-13T23:30:52.123Z
Details
As the correct answer by Jon Skeet stated, a java.util.Date obje...