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How to use base class's constructors and assignment operator in C++?
I have a class B with a set of constructors and an assignment operator.
5 Answers
5
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How to insert in XSLT
... in XML, so you use the code  .
Wikipedia includes a list of XML and HTML entities, and you can see that there are only 5 "predefined entities" in XML, but HTML has over 200. I'll also point over to Creating a space ( ) in XSL which has excellent answers.
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How Python web frameworks, WSGI and CGI fit together
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How WSGI, CGI, and the frameworks are all connected?
Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to r...
Displaying better error message than “No JSON object could be decoded”
...one.com (Python 3.7.3) shows that the stdlib json library has been updated and gives the new error message format. I don’t have time to track exact releases right now however.
– Martijn Pieters♦
Mar 14 at 0:29
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How do I check that multiple keys are in a dict in a single pass?
... +1, I like this better than Greg's answer because it's more concise AND faster (no building of irrelevant temporary list, AND full exploitation of short-circuiting).
– Alex Martelli
Aug 17 '09 at 2:34
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How can I handle the warning of file_get_contents() function in PHP?
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Step 1: check the return code: if($content === FALSE) { // handle error here... }
Step 2: suppress the warning by putting an error control operator (i.e. @) in front of the call to file_get_contents():
$content = @file_get_contents($site);
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Is it possible to implement a Python for range loop without an iterator variable?
...range(10): pass
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>>> _
9
>>> 1+2
3
>>> _
9
And according to Python grammar, it is an acceptable variable name:
identifier ::= (letter|"_") (letter | digit | "_")*
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Preserve line breaks in angularjs
...ular-with-newlines {
white-space: pre-wrap;
}
This will use newlines and whitespace as given, but also break content at the content boundaries. More information about the white-space property can be found here:
https://developer.mozilla.org/en-US/docs/Web/CSS/white-space
If you want to break...
What's the difference between assignment operator and copy constructor?
I don't understand the difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
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Clean way to launch the web browser from shell script?
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xdg-open is standardized and should be available in most distributions.
Otherwise:
eval is evil, don't use it.
Quote your variables.
Use the correct test operators in the correct way.
Here is an example:
#!/bin/bash
if which xdg-open...