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Difference between fprintf, printf and sprintf?
...on>
#include <stdarg.h>
#include <stdio.h>
struct exception_fmt : std::exception
{
exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3)));
char const* what() const throw() { return msg_; }
char msg_[0x800];
};
exception_fmt::exception_fmt(char const* fm...
How can I rename a field for all documents in MongoDB?
...ormer way:
remap = function (x) {
if (x.additional){
db.foo.update({_id:x._id}, {$set:{"name.last":x.name.additional}, $unset:{"name.additional":1}});
}
}
db.foo.find().forEach(remap);
In MongoDB 3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
...
Difference between Pig and Hive? Why have both? [closed]
...
19 Answers
19
Active
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Code Golf - π day
...
119
votes
C: 131 chars
(Based on the C++ solution by Joey)
main(i,j,c,n){for(scanf("...
PowerShell equivalent to grep -f
...13:34 31232 twunk_32.exe
109:-a--- 2006-09-18 23:43 256192 winhelp.exe
110:-a--- 2006-11-02 10:45 9216 winhlp32.exe
PS) grep /?
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How to write URLs in Latex? [closed]
...or dynamic values.
– gies0r
Mar 12 '19 at 23:56
4
Much better: \href{https://example.com}{links l...
set date in input type date
...lts some of the time.
– RobG
Feb 2 '19 at 4:29
You saved my time dude, Thanks a lot
– Dip Surani...
float64 with pandas to_csv
... |
edited Jul 14 '17 at 19:21
Acumenus
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answe...
How does this checkbox recaptcha work and how can I use it?
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edited Nov 11 '14 at 19:16
answered Sep 9 '14 at 12:24
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
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CheekysoftCheekysoft
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