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How can I process each letter of text using Javascript?
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Nope, it can't. forEach() passes the index and the array as second and third argument. I would rather not log that..
– Mr. Goferito
Aug 1 '18 at 20:39
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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What is a segmentation fault?
...d after the memory they point to has been realloced or deleted.
Used in an indexed array where the index is outside of the array bounds. This is generally only when you're doing pointer math on traditional arrays or c-strings, not STL / Boost based collections (in C++.)
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How can you find and replace text in a file using the Windows command-line environment?
...the cat in the hat
ref: http://www.dostips.com/DtTipsStringManipulation.php#Snippets.Replace
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git add all except ignoring files in .gitignore file
...mporting the files - if I see the files that I've added (for example only .php or .html, NOT .mp3 or .mov), then you can git add . to add all, and git commit -m "initial commit" to commit them and you should be set.
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Publish to S3 using Git?
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FYI, this depends on Composer, which in turn depends on PHP.
– Maarten
Sep 28 '13 at 14:06
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Why does the order of the loops affect performance when iterating over a 2D array?
..."second" versions around the wrong way; the first example varies the first index in the inner loop, and will be the slower executing example.
– caf
Mar 30 '12 at 5:39
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INSERT … ON DUPLICATE KEY (do nothing)
...nge if there is entry matches unique key or primary key but auto-increment index will increase by 1
some other errors/warnings will be ignored such as data conversion error.
3. INSERT ... ON DUPLICATE KEY UPDATE
pros:
you can easily implement 'save or update' function with this
cons:
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Regular expression \p{L} and \p{N}
... by .NET, Perl, Java, PCRE, XML, XPath, JGSoft, Ruby (1.9 and higher) and PHP (since 5.1.0)
At any rate, that's a very strange regex. You should not be using alternation when a character class would suffice:
[\p{L}\p{N}_.-]*
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How to escape single quotes within single quoted strings
...erforming pattern substitution word expansions. Taken from tiswww.case.edu/php/chet/bash/CHANGES. Still works in 4.3.42 but not in 4.3.48.
– stiller_leser
Jul 12 '18 at 12:34
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