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How do I join two lists in Java?

... Gawd, that's a thing in Java 8? Technically you win I guess, but that's a heck of a long line :-) – Robert Atkins Sep 9 '13 at 20:03 4 ...
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How to convert int to QString?

... Then you probably want to work on pre-allocated buffers... but this sounds like a separate question. – Georg Fritzsche Apr 6 '17 at 4:45 a...
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Print variables in hexadecimal or decimal format

... Sure it is. Try these: # Hexadecimal p/x variable # Binary p/t variable See output formats. share | improve this answer | f...
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What's the difference between array_merge and array + array?

...ruth regarding the OP). 2. See Yehosef's answer about what array_merge actually does... 3. And see BoltClock's answer about another crucial difference not mentioned here: array_merge resets numeric keys, unlike +. – Sz. Sep 20 '18 at 23:31 ...
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How to unzip a list of tuples into individual lists? [duplicate]

...l)) [(1, 3, 8), (2, 4, 9)] The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separate arguments to the zip() function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen t...
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Run MySQLDump without Locking Tables

...bles you can use the --single-transaction option: --lock-tables, -l Lock all tables before dumping them. The tables are locked with READ LOCAL to allow concurrent inserts in the case of MyISAM tables. For transactional tables such as InnoDB and BDB, --single-transaction is a much better option, be...
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How to wait for a keypress in R?

...would work with any input (not just numbers) if what="" were added to the call to scan. getGraphicsEvent only works on specific graphics devices on certain platforms (but if you are using one of those devices it works fine). – Greg Snow Mar 7 '13 at 22:36 ...
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How to do ToString for a possibly null object?

... succinct in practice. As suggested elsewhere, I recommend maybe using an extension method to make this cleaner: public static string ToStringNullSafe(this object value) { return (value ?? string.Empty).ToString(); } sh...
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How can I set the PHP version in PHPStorm?

...le, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every small script I have to produce. ...
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Removing pip's cache?

I need to install psycopg2 v2.4.1 specifically. I accidentally did: 17 Answers 17 ...