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Difference between std::system_clock and std::steady_clock?
...able 59 C1 and C2 denote clock types. t1 and t2 are values returned by C1::now() where the call returning t1 happens before the call returning t2 and both of these calls occur before C1::time_point::max(). [ Note: this means C1 did not wrap around between t1 and t2. —end note ]
Expression: ...
How to detect online/offline event cross-browser?
...k when the user
follows links or when a script
requests a remote page (or knows that
such an attempt would fail), and must
return true otherwise.
Finally, the spec notes:
This attribute is inherently
unreliable. A computer can be
connected to a network without having
Internet access.
...
How to add hours to current time in python
...
from datetime import datetime, timedelta
nine_hours_from_now = datetime.now() + timedelta(hours=9)
#datetime.datetime(2012, 12, 3, 23, 24, 31, 774118)
And then use string formatting to get the relevant pieces:
>>> '{:%H:%M:%S}'.format(nine_hours_from_now)
'23:24:31'
I...
How to concatenate two numbers in javascript?
...
You can now make use of ES6 template literals.
const numbersAsString = `${5}${6}`;
console.log(numbersAsString); // Outputs 56
Or, if you have variables:
const someNumber = 5;
const someOtherNumber = 6;
const numbersAsString = `...
For loop for HTMLCollection elements
...rties of the object):
0
1
2
item
namedItem
@@iterator
length
Hopefully, now you can see why you want to use for (var i = 0; i < list.length; i++) instead so you just get 0, 1 and 2 in your iteration.
Following below is an evolution of how browsers have evolved through the time period 2015-2...
Create code first, many to many, with additional fields in association table
...ing { get; set; }
public string SomethingElse { get; set; }
}
If you now want to find all comments of members with LastName = "Smith" for example you can write a query like this:
var commentsOfMembers = context.Members
.Where(m => m.LastName == "Smith")
.SelectMany(m => m.Member...
How do I convert an interval into a number of hours with postgres?
...you want integer i.e. number of days:
SELECT (EXTRACT(epoch FROM (SELECT (NOW() - '2014-08-02 08:10:56')))/86400)::int
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Verifying signed git commits?
... made available in the two years since the question was posted: There are now git commands for this task: git verify-commit and git verify-tag can be used to verify commits and tags, respectively.
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How to do constructor chaining in C#
I know that this is supposedly a super simple question, but I've been struggling with the concept for some time now.
8 An...
Differences between Oracle JDK and OpenJDK
...arting with JDK 11 accessing the long time support Oracle JDK/Java SE will now require a commercial license. You should now pay attention to which JDK you're installing as Oracle JDK without subscription could stop working. source
Ref: List of Java virtual machines
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