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Measuring function execution time in R
...d this for some caveat: “object not found” and “unexpected symbol” errors when timing R code with system.time().
– 李哲源
Aug 13 '18 at 16:16
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Find the similarity metric between two strings
...r, AKA read the docs! In my particular application I was doing some basic error checking / reporting to the user providing bad input, and this answer allows me to report to them the potential matches and what the "similarity" was. If you don't need to display the similarity, though, definitely che...
Refresh a page using PHP
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This causes "Headers already sent” error in my code... is there another way?
– DBS
Apr 28 '17 at 0:35
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Is there shorthand for returning a default value if None in Python? [duplicate]
... x or default is an antipattern! It is a frequent source of errors that are hard to debug, because for many subtle reasons x could evaluate to false even if it is the desired value.
– Quant Metropolis
Jun 23 '16 at 11:31
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Changing a specific column name in pandas DataFrame
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df.rename({'two':'new_name'}, axis='columns') Throws TypeError: Cannot specify both 'axis' and any of 'index' or 'columns'.
– HereHere
Dec 30 '17 at 23:37
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character showing up in files. How to remove them?
...he byte-order wrong (even though the purpose of the BOM is to prevent that error!)
– tripleee
Nov 24 '14 at 16:38
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MySQL: determine which database is selected?
...ysql_current_db() {
$r = mysql_query("SELECT DATABASE()") or die(mysql_error());
return mysql_result($r,0);
}
?>
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Stop Visual Studio from mixing line endings in files
...1
– FragmentalStew
Nov 15 '17 at 23:05
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Deleting all files from a folder using PHP?
...tRealPath() must be used instead of $file. Otherwise, PHP will give you an error saying that unlink requires a path, not an instance of SplFileInfo.
– KeineMaster
Sep 20 '18 at 17:44
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Changing the size of a column referenced by a schema-bound view in SQL Server
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answered Aug 24 '09 at 2:05
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