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Are nested transactions allowed in MySQL?

... @Quassnoi the link I provided was to show that nested transactions are now supported. Now, savepoints are powerful, but they're not the same as nested BEGIN,COMMIT/ROLLBACK (programatically speaking, command-wise) although you seem pretty sure that in a "single-threaded context" they're equivale...
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How to join two sets in one line without using “|”

... id(c) == id(a). Even if a was destroyed, c wouldn't have been. Also, c is now set([1, 2, 3, 4]), so @jorgenkg's comment is correct. – johndodo Jan 19 '18 at 10:07 ...
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Git “error: The branch 'x' is not fully merged”

...at's the specific issue here, but I ran into the problem you describe just now, so thanks! – Daniel Buckmaster Oct 2 '12 at 21:38 add a comment  |  ...
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How to format a floating number to fixed width in Python

... This has changed in the last 4 years, now % formatting is the oldest method of formatting. For several reasons using str.format or f-strings is preferred over %. Previously when it was only str.format, people had some reasons but f-strings fixed that hole. format...
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How do you check in python whether a string contains only numbers?

...s, negatives numbers, etc.. All the examples before will be wrong. Until now I got something like this, but I think it could be a lot better: '95.95'.replace('.','',1).isdigit() will return true only if there is one or no '.' in the string of digits. '9.5.9.5'.replace('.','',1).isdigit() wil...
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Private properties in JavaScript ES6 classes

... By now, this solution is also officially supported in Google Chrome and Node.js v12. Private getters and setters are in development. – Eyk Rehbein May 10 '19 at 15:56 ...
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How do I split a string on a delimiter in Bash?

... now after the fix applied, only within the duration of the read command :) – Johannes Schaub - litb May 28 '09 at 3:04 ...
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc

... @mikemaccana, why this edit? I think it makes it harder to read. Now I have to scroll horizontally to read the code. – z0r May 11 '17 at 1:23 ...
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How to calculate UILabel width based on text length?

...e next to a UILabel, however UILabel has variable text length, so I don't know where to place the image. How can I accomplish this? ...
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What is a “thread” (really)?

...ctions. Suppose you're reading a book, and you want to take a break right now, but you want to be able to come back and resume reading from the exact point where you stopped. One way to achieve that is by jotting down the page number, line number, and word number. So your execution context for read...