大约有 19,000 项符合查询结果（耗时：0.0486秒） [XML]
Resize image in PHP
...o write some PHP code which automatically resizes any image uploaded via a form to 147x147px, but I have no idea how to go about it (I'm a relative PHP novice).
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The difference between try/catch/throw and try/catch(e)/throw e
...on.
The second approach might be useful when you want to add additional information to the stack trace but it is used like this:
try
{
// do something
}
catch (Exception ex)
{
throw new Exception("Additional information...", ex);
}
There's a blog post discussing the differences.
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What's the difference between `raw_input()` and `input()` in Python 3?
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Sven MarnachSven Marnach
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Finding Number of Cores in Java
... @Peter, yeah, good point. I felt myself King of the Hill when performing this action with my i7 machine! :)
– Bart Kiers
Jan 21 '11 at 14:39
14
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Insert Unicode character into JavaScript
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
How to add 2 buttons into the UINavigationbar on the right side without IB?
...alloc]
initWithFrame:CGRectMake(0.0f, 0.0f, 103.0f, 44.01f)]; // 44.01 shifts it up 1px for some reason
tools.clearsContextBeforeDrawing = NO;
tools.clipsToBounds = NO;
tools.tintColor = [UIColor colorWithWhite:0.305f alpha:0.0f]; // closest I could get by eye to black, transluce...
How can I add timestamp to logs using Node.js library Winston?
...s follows:
{"message":"Connected to mongodb","level":"info","timestamp":"2018-02-01T22:35:27.758Z"}
{"message":"Connected to mongodb","level":"info","timestamp":"2018-02-01T22:35:27.758Z"}
We can add formatting to this timestamp in 'format.combine()' as usual using:
format.timestamp({format:'MM-...
Split comma-separated strings in a column into separate rows
...erpt)
devtools::session_info()
#Session info
# version R version 3.3.2 (2016-10-31)
# system x86_64, mingw32
#Packages
# data.table * 1.10.4 2017-02-01 CRAN (R 3.3.2)
# dplyr 0.5.0 2016-06-24 CRAN (R 3.3.1)
# forcats 0.2.0 2017-01-23 CRAN (R 3.3.2)
# ggplot2 ...
Bootstrap combining rows (rowspan)
...ccept=".png, .jpg, .jpeg" > <!-- <input type="text" src="" class="form-control" id="imgName" size="40" ></input>--> <img id="img-upload" src="" alt="Transporter" width="300%" height="50%" class="rounded-circle" /> </div> </div>...
What exactly does stringstream do?
...se all stream functions and operators on it.
I saw it used mainly for the formatted output/input goodness.
One good example would be c++ implementation of converting number to stream object.
Possible example:
template <class T>
string num2str(const T& num, unsigned int prec = 12) {
...