debra | distributed epoch-based reclamation
kandi X-RAY | debra Summary
kandi X-RAY | debra Summary
Distributed epoch-based memory reclamation. Many concurrent lock-free data structures require an additional minimal (also lock-free) garbage collector, which determines, when a removed value can be safely de-allocated. This can not be determined statically, since many threads could potentially still access previously created references to the removed value. This crate provides a simple and (mostly) safe interface for interacting with the DEBRA memory reclamation scheme.
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QUESTION
We have a list of strings here called list_strings `
...ANSWER
Answered 2022-Jan-18 at 17:42You can use a simple for
loop:
QUESTION
{'John': ['Bryant', 'Debra', 'Walter'], 'Bryant': ['Olive', 'Ollie', 'Freda', 'Mercedes'], 'Mercedes': ['Walter', 'Robin', 'Bryant'], 'Olive': ['John', 'Ollie'], 'Debra': ['Walter', 'Levi', 'Jennie', 'Robin'], 'Walter': ['John', 'Levi', 'Bryant'], 'Levi': ['Ollie', 'John', 'Walter'], 'Ollie': ['Mercedes', 'Freda', 'Bryant'], 'Jennie': ['Levi', 'John', 'Freda', 'Robin'], 'Robin': ['Ollie'], 'Freda': ['Olive', 'John', 'Debra']}
...ANSWER
Answered 2022-Jan-05 at 12:55Here is my solution with BFS
. You can also write recursive programs for that but as BFS
is not usually implemented recursively, I wrote it this way. But if you insist on recursion, I can change it:
QUESTION
I need to make a three-column table into a two-column table on mobile. This should support IE. It currently DOES go to two-column when resizing the viewport but the third item in the row behaves strange and floats either left or right and then has a missing slot. I want it to look more like it does when I use flex or grid and to have some continuity. I want to change the code to flexbox but am unsure about IE support. Does anyone know how I can do this?
...ANSWER
Answered 2020-Dec-11 at 18:56Go ahead and use flexbox for this issue. According to the MDN you should be okay. From the website:
Internet Explorer 10, which implemented the display: flexbox version of the specification with the -ms- prefix.
Note also that Internet Explorer 11 supports the modern display: flex specification however it has a number of bugs in the implementation.
QUESTION
In the below example - This is a fixed length file that I am looking to FIND any row that begins with "10" and has an "M" 9 positions later. When these types of records are found, I need to replace just the first name with the word Test which is found 35 positions later.
...ANSWER
Answered 2020-Oct-02 at 14:21Regex is not very suited for that exact purpose. The closest to what you might be able to use I can come up with is:
QUESTION
I want to merge two CSV files based on matching values. The two CSV files are related by the ID field which is the third column field in the first CSV file (names.csv), and the first column field in the second CSV file (scores.csv).
names.csv:
...ANSWER
Answered 2020-Jul-26 at 20:17I think the problem is that names.csv has extra spaces at the end of the id fields, except for the last one. That is why the record for Zabokritski,Eugene appears correctly in the output.
You could fix this by changing this line:
QUESTION
I need to group data, based on a list property. the code below is a simulation of my current scenario:
...ANSWER
Answered 2020-Jun-26 at 15:40Your variable students
is probably of the type List
, so the conversion you are trying to do is not possible because the GroupBy
returns IEnumerable>
.
This is the solution that maybe you are looking for
QUESTION
I have the following query :
...ANSWER
Answered 2020-Jun-07 at 12:37It already is sargable.
SQL Server can convert that into two range seeks on > 'Debra'
and < 'Debra'
if it deems it beneficial.
QUESTION
I have a Snowflake table which includes addresses, state, first names and last names. I would like to get a query that shows me only the addresses where more than 1 individual with a different last name is present.
So for example, assume that I have
...ANSWER
Answered 2020-Apr-21 at 22:22I would like the query to return only 1 row in that example: 10 lake road.
This sounds like aggregation:
QUESTION
Assuming this is my df:
...ANSWER
Answered 2020-Feb-25 at 13:15If all datetimes are unique you can use DataFrame.asfreq
:
QUESTION
Any help with the following question will be greatly appreciated.
I have the following .txt file named DOB:
...ANSWER
Answered 2020-Jan-18 at 22:24Assuming each name is just a first and last name, no middle names etc. You can simply read each line of the file and split based on white space. The below will capture the first to fields in first and last, then the remaining fields in dob. Then we can just print the two lines using our variables. there is no need to loop through the file data twice.
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