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How to get a microtime in Node.js?
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Date.now() please.
– jAndy
Jul 30 '12 at 16:35
50
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Better way of getting time in milliseconds in javascript?
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Try Date.now().
The skipping is most likely due to garbage collection. Typically garbage collection can be avoided by reusing variables as much as possible, but I can't say specifically what methods you can use to reduce garbage coll...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...You can turn on identity insert on the table like this so that you can specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES ...
Converting RGB to grayscale/intensity
When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140.
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How to set a default value for a datetime column to record creation time in a migration?
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This is supported now in Rails 5.
Here is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.time...
Difference between map and collect in Ruby?
...gled this and got patchy / contradictory opinions - is there actually any difference between doing a map and doing a collect on an array in Ruby/Rails?
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Why does datetime.datetime.utcnow() not contain timezone information?
...e like this
import pytz # 3rd party: $ pip install pytz
u = datetime.utcnow()
u = u.replace(tzinfo=pytz.utc) #NOTE: it works only with a fixed utc offset
now you can change timezones
print(u.astimezone(pytz.timezone("America/New_York")))
To get the current time in a given timezone, you could...
Get current controller in view
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btw, ["action"] works if you want the name of the action method.
– Zapnologica
Jul 26 '16 at 19:34
add a comment
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how to use ng-option to set default value of select element
...nformation see this: ozkary.com/2015/08/angularjs-ngoption-directive-simplified.html
– ozkary
Sep 4 '15 at 14:57
2
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How to obtain the start time and end time of a day?
... // Represents an entire day, without time-of-day and without time zone.
.now( // Capture the current date.
ZoneId.of( "Asia/Tokyo" ) // Returns a `ZoneId` object.
) // Returns a `LocalDate` object.
.atStartOfDay( // Det...