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Why shouldn't I use “Hungarian Notation”?

... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript). – too much php Dec 29 '08 at 3:45 22 ...
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?

... want to go reverse, take a look at this http://wiki.lessthandot.com/index.php/Epoch_Date share | improve this answer | follow | ...
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How do I replace NA values with zeros in an R dataframe?

...00M datapoint dataframe mutate_all(~replace(., is.na(.), 0)) runs a half a second faster than the base R d[is.na(d)] <- 0 option. What one wants to avoid specifically is using an ifelse() or an if_else(). (The complete 600 trial analysis ran to over 4.5 hours mostly due to including these approac...
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Analyze audio using Fast Fourier Transform

...uencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately) The first coefficient in your array will be the 0 frequency coefficient. That is basically the average power le...
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What is the bower (and npm) version syntax?

...seems confusing at first, when you look at it up-close. But zoom out for a sec, and think about it this way: the caret simply lets you say that you're most concerned about whatever significant digit is left-most. The tilde lets you say you're most concerned about whichever digit is right-most. The r...
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How can you automatically remove trailing whitespace in vim

...eepp %s/\s\+$//e call cursor(l, c) endfun autocmd FileType c,cpp,java,php,ruby,python autocmd BufWritePre <buffer> :call <SID>StripTrailingWhitespaces() If you want to apply this on save to any file, leave out the second autocmd and use a wildcard *: autocmd BufWritePre * :call &...
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How do you diff a directory for only files of a specific type?

...le1 PATH1/ PATH2/ For example: find PATH1/ -type f | grep --text -vP "php$|html$" | sed 's/.*\///' | sort -u > file1 diff PATH1/ PATH2/ -rq -X file1 share | improve this answer |...
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MySQL check if a table exists without throwing an exception

...is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an exception. I do not feel like parsing the results of "SHOW TABLES LIKE" et cetera. There must be some sort of boolean query? ...
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Stop LastPass filling out a form

... Per the link provided in the answer (lastpass.com/support.php?cmd=showfaq&id=10512) , LP only prevents the icon from being displayed on that field – Kunal Nov 16 '18 at 0:39 ...
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Convert Base64 string to an image file? [duplicate]

...4_decode($image)); You can create 'public_feeds' in laravel's filesystem.php- 'public_feeds' => [ 'driver' => 'local', 'root' => public_path() . '/uploads/feeds', ], share | ...