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error: passing xxx as 'this' argument of xxx discards qualifiers
...simple: make the functions const as:
int getId() const {
return id;
}
string getName() const {
return name;
}
This is necessary because now you can call getId() and getName() on const objects as:
void f(const StudentT & s)
{
cout << s.getId(); //now okay, but error with ...
Batch not-equal (inequality) operator
According to this , !==! is the not-equal string operator.
Trying it, I get:
5 Answers
...
Change URL and redirect using jQuery
...rk nowadays the latter is an object (and of course unsupported to assign a string to in an ancient IE version...)
– Victor
May 21 '13 at 21:50
1
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How to convert list of key-value tuples into dictionary?
...Wilson that is the error you usually get when you try something like dict([string1, string2, string3, string4])
– chacham15
Dec 22 '14 at 3:55
...
jQuery selector for the label of a checkbox
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Use .text() to convert object to string: alert($("label[for='comedyclubs']").text());
– Loren
Dec 12 '12 at 18:56
...
Set attribute without value
...e attr() function is also a setter function. You can just pass it an empty string.
$('body').attr('data-body','');
An empty string will simply create the attribute with no value.
<body data-body>
Reference - http://api.jquery.com/attr/#attr-attributeName-value
attr( attributeName...
Algorithm to compare two images
...can be used as a search object. There are probably several ways you could extract properties/data from this region of interest and use them to search your data set.
If you have more than 2 regions of interest, you can measure the distances between them. Take this simplified example:
(source: pe...
Debug vs Release in CMake
...
Instead of manipulating the CMAKE_CXX_FLAGS strings directly (which could be done more nicely using string(APPEND CMAKE_CXX_FLAGS_DEBUG " -g3") btw), you can use add_compiler_options:
add_compile_options(
"-Wall" "-Wpedantic" "-Wextra" "-fexceptions"
"$<$<CO...
Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
Do querystring parameters get encrypted in HTTPS when sent with a request?
4 Answers
4...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
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@ToolmakerSteve Do you have a spec citation that empty strings are valid XHTML? I can only find commentary pages saying it's valid for HTML5. Everyone I've seen talking about XHTML say that its form for boolean attributes must be attrname="attrname". Either way, it doesn't seem t...