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How to append a char to a std::string?
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answered Sep 24 '09 at 14:29
AraKAraK
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Finding duplicate rows in SQL Server
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answered Jan 21 '10 at 20:32
RedFilterRedFilter
149k3333 gold badges263263 silver badges268268 bronze badges
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.NET: Simplest way to send POST with data and read response
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answered Nov 3 '10 at 15:28
Chris HutchinsonChris Hutchinson
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...t isinstance(s, str) or not s.isdigit():
return None
elif len(s) > 10: #too many digits for int conversion
return None
else:
return int(s)
Better (EAFP: Easier to ask for forgiveness than permission):
try:
return int(s)
except (TypeError, ValueError, OverflowError): #int con...
Swift days between two NSDates
...onsider the time difference as well. For example if you compare the dates 2015-01-01 10:00 and 2015-01-02 09:00, days between those dates will return as 0 (zero) since the difference between those dates is less than 24 hours (it's 23 hours).
If your purpose is to get the exact day number between tw...
In Angular, I need to search objects in an array
...pp.filter('getById', function() {
return function(input, id) {
var i=0, len=input.length;
for (; i<len; i++) {
if (+input[i].id == +id) {
return input[i];
}
}
return null;
}
});
Usage in controller:
app.controller('SomeController', ['$scope', '$filter', ...
Edit line thickness of CSS 'underline' attribute
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10 Answers
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Does PNG contain EXIF data like JPG?
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Edit: Version 1.5.0 (July 2017) of the Extensions to the PNG 1.2 Specification has finally added an EXIF chunk. It remains to be seen if encoders-decoders begin to support it.
Original: PNG does not embed EXIF info. It allows, however, to emb...
Best cross-browser method to capture CTRL+S with JQuery?
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balupton
40.8k2727 gold badges114114 silver badges164164 bronze badges
answered Sep 18 '08 at 15:54
JimJim
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MySQL: Fastest way to count number of rows
...SELECT:
SELECT SQL_CALC_FOUND_ROWS [needed fields or *] FROM table LIMIT 20 OFFSET 0;
After you have selected needed rows, you can get the count with this single query:
SELECT FOUND_ROWS();
FOUND_ROWS() has to be called immediately after the data selecting query.
In conclusion, everything a...