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Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术
...ptr<implementation> sp1(new implementation());
std::cout<<"The Sample now has "<<sp1.use_count()<<" references\n";
boost::shared_ptr<implementation> sp2 = sp1;
std::cout<<"The Sample now has "<<sp2.use_count()<<" references\n";
sp1.reset();
std::cout<<"After Reset sp...
How do I load a file into the python console?
...orted are present. when you type 'python', python terminal will be opened. Now you can use import script_name Note: no .py extension to be used while importing. How can I open a cmd window in a specific location?
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Run a PHP file in a cron job using CPanel
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I am using this now and it works but I do not get any email notification any ideas why not? php /home/username/public_html/cron/cron.php note I had to put the following line at the top of the PHP script #! /usr/bin/php -q
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Close file without quitting VIM application?
...artin, to completely delete the buffer, use :bw
– sebnow
Dec 2 '10 at 11:14
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Mean per group in a data.frame [duplicate]
..."Rate2"), row.names = c(NA, -9L), class = c("data.table", "data.frame"))
Now to take the mean of Rate1 and Rate2 for all 3 months, for each person (Name):
First, decide which columns you want to take the mean of
colstoavg <- names(mydt)[3:4]
Now we use lapply to take the mean over the column...
UILongPressGestureRecognizer gets called twice when pressing down
...ends (UIGestureRecognizerStateEnded) when any of the fingers are lifted.
Now You Can Track The State Like This
- (void)handleLongPress:(UILongPressGestureRecognizer*)sender {
if (sender.state == UIGestureRecognizerStateEnded) {
NSLog(@"UIGestureRecognizerStateEnded");
//Do Whateve...
Convert PDF to clean SVG? [closed]
...ucted - you have to install vector fonts and look them up.
UPDATE:
I have now developed this into a package PDF2SVG which does not use Batik any more:
which has been tested on a range of PDFs. It produces SVG output consisting of
characters as one <svg:text> per character
paths as <svg:...
How can I check if a checkbox is checked?
... didn't check it! Let me check it for you.");
}
}
Your script doesn't know what the variable remember is. You need to get the element first using getElementById().
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...ython 2.x - The Long Version
Without seeing the source it's difficult to know the root cause, so I'll have to speak generally.
UnicodeDecodeError: 'ascii' codec can't decode byte generally happens when you try to convert a Python 2.x str that contains non-ASCII to a Unicode string without specifyi...
How do I update devDependencies in NPM?
... npm -g
Then relaunch the console (in order for changes to take effect).
Now you can check your new npm --version and if it is up to date execute:
npm update
or (if you prefer):
npm update --save-dev
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