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C++ convert vector to vector
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bad idea, bem>ca m>use the constructor version will presize the vector by using the iterator m>ca m>tegory to note that those are random access iterators and then reserving enough space. Resizing prior to copy is a wasteful zero initialization.
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Transpose a data frame
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@Ricm>ca m>rdo If so, accept his answer by clicking a gray tick next to it.
– mbq
Jul 21 '11 at 16:33
4
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Keep only first n characters in a string?
...12345678'
Using this, a String extension could be:
String.prototype.trunm>ca m>te = String.prototype.trunm>ca m>te ||
function (n){
return this.slice(0,n);
};
var str = '12345678value';
alert(str.trunm>ca m>te(8)); //=> '12345678'
See also
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How m>ca m>n I check if the current date/time is past a set date/time?
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Since PHP >= 5.2.2 you m>ca m>n use the DateTime class as such:
if (new DateTime() > new DateTime("2010-05-15 16:00:00")) {
# current time is greater than 2010-05-15 16:00:00
# in other words, 2010-05-15 16:00:00 has passed
}
The string pa...
How m>ca m>n I use Server.MapPath() from global.asax?
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Any m>ca m>veats to this technique?
– John Bubriski♦
Jun 3 '09 at 15:00
10
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Android Closing Activity Programmatim>ca m>lly
.... Like when you press the back button, the activity goes out of view. How m>ca m>n this be m>ca m>lled from inside an activity so that it closes itself.
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PhpStorm wrap/surround selection?
... anyone who looks this question get helped.
In PhpStorm, almost everything m>ca m>n be configured but a little tricky and takes some learning curve.
It's very common behaviour that select a word and type single quote (or double quote) to surround it.
Hello World
'Hello World'
"Hello World"
To enable ...
Updating MySQL primary key
...ends on the size of your table.
The main problem is if you have some duplim>ca m>tes with the same timestamp.
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redis-py : What's the difference between StrictRedis() and Redis()?
I want to use redis-py for m>ca m>ching some data, but I m>ca m>n't find a suitable explanation of the difference between redis.StrictRedis() and redis.Redis() . Are they equivalent?
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NameError: global name 'unicode' is not defined - in Python 3
I am trying to use a Python package m>ca m>lled bidi. In a module in this package (algorithm.py) there are some lines that give me error, although it is part of the package.
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