michael | Scalable Lock-Free Dynamic Memory Allocation | Learning library
kandi X-RAY | michael Summary
kandi X-RAY | michael Summary
This library is an implementation of Maged Michael's algorithms as presented in his 2004 PLDI paper, "Scalable Lock-Free Dynamic Memory Allocation".
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michael Key Features
michael Examples and Code Snippets
Community Discussions
Trending Discussions on michael
QUESTION
I wanted to insert my data to a specific sheet name based on form input value of "svdate":
...ANSWER
Answered 2021-Jun-16 at 02:12I thought that in your situation, it is required to retrieve 6/17
from 06/17/2021
. For this, how about the following modification?
In this case, please modify doPost
as follows.
QUESTION
I have two tables as follows:
...ANSWER
Answered 2021-Jun-15 at 19:02select user_id,name
, count(case when col_a = true then 1 end)
+ count(case when col_b = true then 1 end) total
from tableA a
join TableB b on a.user_id= b.id
group by user_id,name
QUESTION
Let's say I have a very simple table called test:
...ANSWER
Answered 2021-Jun-15 at 16:06You can create a subquery and use it in your where clause:
QUESTION
I have a list with dates, names and a value. I am now looking for hours for a solution to list all individual names on a specific date and count them
so the list looks like:
...ANSWER
Answered 2021-Jun-15 at 11:28Try this...
For count:
=query({A:C};"select Col2,count(Col3) where Col1 = date '"&text(E2;"yyyy-mm-dd")&"' group by Col2 order by Col2 label count(Col3) '' ";0)
It gets the date from a cell (E2
), but you can hard code it into the query if you need to, using:
where Col1 = date '2021-06-14'
For a sum of:
=query({A:C};"select Col2,sum(Col3) where Col1 = date '"&text(E2;"yyyy-mm-dd")&"' group by Col2 order by Col2 label sum(Col3) '' ";0)
QUESTION
Tables:
...ANSWER
Answered 2021-Jun-12 at 17:28You are joining along two dimensions, so you are getting a Cartesian products. That is simply what happens.
A hacky solution -- which works quite well if there are not too many comments and likes for a given post -- is to use COUNT(DISTINCT)
:
QUESTION
I wish I could do 2 things:
-
- Create as many times of the Child class from an instance of the Parent class (What I can do)
-
- Call a method of the Parent class from an instance of the Child class (What I can't do)
To illustrate my problem, I created 2 instances of the class Parent
to which I add an instance of the class Child
to each.
ANSWER
Answered 2021-Jun-11 at 21:48You have confused functional dependency with class inheritance. You do not have to inherit read_time
from Parent
. In fact, your implementation shows that this is not sufficient. As you correctly designed this, read_time
is an instance attribute: it makes no sense to call read_time
without specifying which Parent
instance should respond.
You need to give each child a reference to its parent. Include this in add_child
:
QUESTION
I am trying to validate the json schema. I get below error when I try to do that
Actual response
{ "page": 2, "per_page": 6, "total": 12, "total_pages": 2, "data": [ { "id": 7, "email": "michael.lawson@reqres.in", "first_name": "Michael", "last_name": "Lawson", "avatar": "https://reqres.in/img/faces/7-image.jpg" }, { "id": 8, "email": "lindsay.ferguson@reqres.in", "first_name": "Lindsay", "last_name": "Ferguson", "avatar": "https://reqres.in/img/faces/8-image.jpg" }, { "id": 9, "email": "tobias.funke@reqres.in", "first_name": "Tobias", "last_name": "Funke", "avatar": "https://reqres.in/img/faces/9-image.jpg" }, { "id": 10, "email": "byron.fields@reqres.in", "first_name": "Byron", "last_name": "Fields", "avatar": "https://reqres.in/img/faces/10-image.jpg" }, { "id": 11, "email": "george.edwards@reqres.in", "first_name": "George", "last_name": "Edwards", "avatar": "https://reqres.in/img/faces/11-image.jpg" }, { "id": 12, "email": "rachel.howell@reqres.in", "first_name": "Rachel", "last_name": "Howell", "avatar": "https://reqres.in/img/faces/12-image.jpg" } ], "support": { "url": "https://reqres.in/#support-heading", "text": "To keep ReqRes free, contributions towards server costs are appreciated!" } }
Feature: Create and Read persons ...
Background: * def personBase = '/api/person/'
Scenario: Sample
...ANSWER
Answered 2021-Jun-11 at 16:03match each
only works if the right-hand-side is a JSON array - which is clearly not the case here.
QUESTION
Lets say I have an array of strings returned by some subquery. And I want to make sure that at least one of the elements is matching with string (for example: ILIKE "%alex%"). What should I do for that? My code:
...ANSWER
Answered 2021-Jun-10 at 10:41One approach is to use exists
:
QUESTION
I am trying to clean a set of strings to remove unwanted characters.
Input
...ANSWER
Answered 2021-Jun-11 at 11:10I'd use re.split
instead:
QUESTION
I am trying to get setup using GTK3+ and Glade. Unfortunately the most basic setup I can find online is sefaulting. In Glade I just created a basic window with the ID window_main
. I'm not sure how this isn't working.
bytebowl.c
...ANSWER
Answered 2021-Jun-10 at 05:05You need to call gtk_init()
before any other functions from Gtk.
Additionally, gtk_builder_get_object()
does not pass ownership of the widget to the caller, so calling g_object_unref()
on the builder where you do is probably not a good idea.
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