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error: passing xxx as 'this' argument of xxx discards qualifiers
... an error message.
The solution is 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.g...
What is java interface equivalent in Ruby?
Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface.
...
How to check if an object is a certain type
...
Totally trivial, irrelevant counterpoint: Even though the VS CodeAnalysis complains, I still feel the argument names are part of the public interface and so are PascalCase in my code.
– Mark Hurd
Aug 7 '15 at 15:19
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Handle file download from ajax post
...ersion using jQuery.ajax. It might mangle binary data when the response is converted to a string of some charset.
$.ajax({
type: "POST",
url: url,
data: params,
success: function(response, status, xhr) {
// check for a filename
var filename = "";
var disposit...
Use RSA private key to generate public key?
...revious command. Try running the following commands and compare output:
# Convert the key from PEM to DER (binary) format
openssl rsa -in private.pem -outform der -out private.der
# Print private.der private key contents as binary stream
xxd -p private.der
# Now compare the output of the above co...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
...nslate it back to
$modelValue.
If you change $modelValue, $formatters will
convert it to $viewValue.
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Android studio, gradle and NDK
...ery new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option.
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How to obtain the start time and end time of a day?
...l today = new Interval( todayStart, tomorrowStart );
If you must, you can convert to a java.util.Date.
java.util.Date date = todayStart.toDate();
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Detect application heap size in Android
...error is triggered? And
How much heap should my app use, given the constraints of the Android OS version and hardware of the user's device?
There is a different method for determining each of the above.
For item 1 above: maxMemory()
which can be invoked (e.g., in your main activity's onCreate()...
Difference between SelectedItem, SelectedValue and SelectedValuePath
... DisplayMemberPath="Name" />
public class Category
{
public int ID { get; set; }
public string Name { get; set; }
}
public class Product
{
public int CategoryID { get; set; }
}
It's a little confusing initially, but hopefully this makes it a bit clearer... :)
Chris
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