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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
1
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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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Convert blob to base64
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success: function(data) { if(data && data.Success) {}},
error: function(a,b,c){alert(c);}
});
}
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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Apache POI Excel - how to configure columns to be expanded?
... the longest char length and multiply by x + add a buffer. X use trial and error to see what fits but it should be a average width of a char. Without font I don't believe you can actually get it right but we get pretty close. Otherwise you can add a macro to excel to fix it all the first time the us...
How to use Servlets and Ajax?
...tml("Sorry, there is some thing wrong with the data provided.");
}
},
error: function(e){
alert('Error: ' + e);
}
});
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What's a “static method” in C#?
... like this:
myStaticClass msc = new myStaticClass(); // it will cause an error
You can make only:
myStaticClass.someFunction();
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