equivalency | Declaratively define rules for string equivalence | JSON Processing library
kandi X-RAY | equivalency Summary
kandi X-RAY | equivalency Summary
Declaratively define rules for string equivalence so you can focus on the differences that matter.
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QUESTION
In most fortran compilers, like gfortran, in order to identify little old nans, you would check by doing some sort of equivalency test, utilising the fact that nan is not self-equivalent. For example, if nanny=nan
, then (nanny/=nanny)
should output T
. So, for the following code:
ANSWER
Answered 2021-May-23 at 15:00Since Fortran 2003 the standard way to test for NaNs is via the IEEE 754-1985 support provided by the language. An example is below. Note testing a variable for equality with itself is not a good idea as optimisers will often remove it - which may be what you are seeing above. Also dividing by zero produces implementation defined behaviour, so after that point anything can happens - the code below shows the standard way to produce a NaN.
QUESTION
Is there any shorthand for the following in C?
...ANSWER
Answered 2021-Jan-14 at 22:12How are multiple equivalency checks normally done in C? Or is long-form the only way?
If you want something similar to Python, you can put the values in an array and loop through them. You can wrap that into a function or macro, if needed.
QUESTION
I'm debugging this contains method for a LinkedList that I coded and the comparison of the Integer type 30 is not getting caught in the contains method. From my understanding, the == operator is used to compare addresses in memory and the .equals operator is used to compare equivalency. I have messed around a bit and can't seem to find out why comparing the Integer value of 30 that is passed into the contains method it is still not catching an Integer 30 that was added with the add method when entered.
Here is the code
list build and populate
...ANSWER
Answered 2020-Nov-23 at 22:27Here:
QUESTION
I'm a little bit confused about the equivalency of some terms in GCP. Can we consider VM = instance and these equivalent to Workers and Nodes?
Thanks!
...ANSWER
Answered 2020-Nov-09 at 00:35You can interpret the terms like this:
- Instance: a (virtual) machine with fixed CPU, memory and disk resources
- Worker: a non-permanent, dynamically provisioned ad-hoc instance
- Node: instance that belongs to an instance group / Kubernetes cluster
- VM: any virtual machine - i.e. applies to all above
QUESTION
The answer to the boolean issue provided by @Mario below solved the main issue as well
The code in the original post (below the line) had an unrelated problem ('==' instead of '=') but in fixing that I've realized that I am having an issue with the string name of 'cubeRend.material' which includes the additive Instance after it and therefore doesn't seem to be counted as logically equal to the string name of 'material[0].'
I don't THINK that is the issue behind the resetting problem however, because I did find a question about a similar resetting problem on the Unity answer forum here: https://answers.unity.com/questions/1303925/ui-buttons-images-resets-after-scene-reloads-scrip.html
Unfortunately no one provided any responses to that question which I could try to apply in this case. I will try to sort out my equivalency problem and then update with the improved code
I'm trying to make a UI button change the colors on a cube on every click. The materials are in an array. In the start function, I set the initial condition of the cube's renderer to material[0]. In the ChangeCubeColor function (which is referred to on the UI button's inspector), I use a simple if/else statement to check which material is currently assigned to the cube. On clicking the button, Unity seems to reset the material back to the original condition and then invisible to the eye follow the if/else instructions to set the color to the 2nd color in the array. The affect is that on the first time you play, the button will change the color, but every time after that, the color is stuck on the second color.
Here is my code. I apologize for all of the debug statements. I was trying to figure out when the state was or was not changing. I've also included a screenshot of my console upon first play and the first 3 clicks of the button. Lastly, the code with the debug statements removed for clarity.
Thanks in advance for any ideas.
...ANSWER
Answered 2020-Sep-16 at 00:19Try this way. This work for 2 materials if you want more you can use an int index and update the index without use if for each material
QUESTION
I'm trying to check for equivalency in these values and I'm not sure if there is a way I can shorten up how many lines of code I'm producing here. My goal here is to return a distinct error that I can return in an Ajax call so my front end can produce a message to the user.
The code below is what I've tried so far, but I'm simply unsure how to proceed with reducing this code.
...ANSWER
Answered 2020-Jul-28 at 19:11One way to make things a little shorter and more user friendly might be
QUESTION
Considering migrating from Gridgain Ignite version 8.5.8 or 8.7.13, what are the equivalent Apache Ignite versions to them.
Request to provide some insight with respect to equivalency of features and such that the applications will not be impacted due to this migration.
Please note: Gridgain additional features are currently not being used in my applications.
...ANSWER
Answered 2020-Jul-02 at 08:35GridGain 8.x.y is loosely equivalent to Ignite 2.x, so:
- 8.5.8 => 2.5
- 8.7.13 => 2.7
Keep in mind that release cycles and code bases are different, even though they share a lot of the same code.
QUESTION
I'd like to perform equivalency and boolean tests quickly on my Java instances. How I do the equivalent of the Python3 code in Java? (notice that there is no reference to any attribute - just the instance itself)
test.py
...ANSWER
Answered 2020-May-21 at 02:49You cannot override ==
, nor can you implement a __bool__
equivalent. However, you most definitely should override equals()
(and probably hashCode()
as well). This equals method will be used by everything to compare object equality. The only time you would use ==
is if you wanted to see if two variables were pointing to the same object in memory.
QUESTION
I have a question regarding graph equivalency.
Suppose that:
...ANSWER
Answered 2020-Apr-02 at 16:48The following works for your given examples (and hopefully does generally the thing you want):
QUESTION
I have a MySQL 8 DB with a DATETIME(4)
field, and I've run into a weird case around equivalency in a VIEW. I've worked around it but I'm not sure why it is happening and I'd like to understand why.
I have a table with a field: date_time DATETIME(4)
. I have a VIEW where I turn this back into an ISO8601 string using DATE_FORMAT(date_time, '%Y-%m-%dT%T.%fZ') as date_time
.
If I insert a row with a date like 2017-04-22T20:47:05.33523Z
, and then the following query fails to find the row and I'm not sure why.
ANSWER
Answered 2020-Apr-02 at 00:20Your problem is that when you perform the comparison in the VIEW
you are comparing as strings, not dates. When you format the datetime with %f
you get 6 digits of microseconds i.e. 2017-04-22T20:47:05.335200Z
. Since you are comparing this as a string, the >=
comparison with '2017-04-22T20:47:05.335Z'
fails because 2
is less than Z
.
The reason this test works in query 1 is that '2017-04-22T20:47:05.335Z'
gets converted to a date (resulting in 2017-04-22T20:47:05.335000Z
) before comparison, and that is less than 2017-04-22T20:47:05.335200Z
.
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