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How can you use optional parameters in C#?
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= new EDIDocumentType(EDIDocTypes.X12_814),
bool Production = false)
{
// My code is here
}
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Overriding a JavaScript function while referencing the original
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You could do something like this:
var a = (function() {
var original_a = a;
if (condition) {
return function() {
new_code();
original_a();
}
} else {
return function() {
original_a();
other_new_code();
}
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Save An Image To Application Documents Folder From UIView On IOS
...reate folder
NSString *imageName = [NSString stringWithFormat:@"%@/img_%@.png", dataPath, [self getRandomNumber]] ;
// save the file
if ([[NSFileManager defaultManager] fileExistsAtPath:imageName]) {
// delete if exist
[[NSFileManager defaultManager] removeItemAtPath:ima...
In C++, what is a virtual base class?
I want to know what a " virtual base class " is and what it means.
11 Answers
11
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Total size of the contents of all the files in a directory [closed]
... the size the directory takes up on the disk.
– anton_rh
Sep 24 '18 at 11:59
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C# Error: Parent does not contain a constructor that takes 0 arguments
...ct the situation, you need to add an explicit call:
public Child(int i) : base(i)
{
Console.WriteLine("child");
}
Or, you can just add a parameterless parent constructor:
protected Parent() { }
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How can I know if a branch has been already merged into master?
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You can use the git merge-base command to find the latest common commit between the two branches. If that commit is the same as your branch head, then the branch has been completely merged.
Note that git branch -d does this sort of thing already b...
How do you print out a stack trace to the console/log in Cocoa?
...was originally asked. For pre-Snow-Leopard, use the backtrace and backtrace_symbols functions; see the backtrace(3) manpage.
– Peter Hosey
Feb 25 '10 at 13:32
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How to get started on TDD with Ruby on Rails? [closed]
...ink contacts to companies.
class CompanyTest <Test::Unit
def test_relationship # test associations/relationships
c = companies(:some_company)
assert_equal [a list of contacts], c.contacts # make sure a company can have multiple contacts
end
end
class ContactTest<Tes...
Eclipse: How do i refresh an entire workspace? F5 doesn't do it
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on windows i've used "C:\Windows\twunk_32.exe" doesn't seem to hurt :)
– iTake
Jan 10 '14 at 12:55
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