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Concurrent vs serial queues in GCD
...serial) is the ONLY element that decides whether the tasks are executed in order or in paralel;; (2)the dispatch type (sync or async) is only saying whether the execution goes OR doesn't go to the next instruction? I mean, if I dispatch a task SYNC the code will block until that tasks finishes, no m...
sql “LIKE” equivalent in django query
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In order to preserve the order of the words as in the sql LIKE '%pattern%' statement I use iregex, for example:
qs = table.objects.filter(string__iregex=pattern.replace(' ', '.*'))
string methods are immutable so your pattern...
App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问...等国...
...不需要回复的可留空~ 请描述您的问题（300字以内）： 给个鼓励也行呐~o~ 提供截图（仅截取当前可视区域...
Get difference between two lists
... and point out that this only returns the temp1-temp2? .. As other said in order to return all the differences you have to use the sysmetric difference: list(set(temp1) ^ set(temp2))
– rkachach
Feb 16 '16 at 16:00
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...nd above you can use ROW_NUMBER function. eg.
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 51 AND 60; --BETWEEN i...
Assignment inside lambda expression in Python
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Order of elements may be important.
– MAnyKey
Mar 9 '16 at 6:02
add a comment
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Test if a variable is a list or tuple
...e you can surely pop elements from it, but it does not guarantee a certain order, which is a very dangerous thing for certain algorithms. In the cases when ordering of the elements does matter, an algorithm using this snippet could potentially generate different results on different runs!
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Detecting programming language from a snippet
... Might also want to think about where you're splitting the words. In PHP, variables start with $, so maybe you shouldn't be splitting on word bounds, because the $ should stick with the variable. Operators like => and := should be stuck together as a single token, but OTH you probably shoul...
How to show particular image as thumbnail while implementing share on Facebook?
... that facebook does do some caching with regard to this information, so in order for changes to take effect your page will have t be scraped as stated in the documentation :
Editing Meta Tags
You can update the attributes of your page by updating your page's
tags. Note that og:title an...
Structure padding and packing
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+allyourcode The standard guarantees that the order of the members will be preserved and that the first member will start at 0 offset.
– martinkunev
Dec 8 '17 at 14:32
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