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How to call a parent class function from derived class function?
...om a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within
each class there is a print function. In the definition of the child's print function I would like to make a call to the parents print function. How would I...
What is SELF JOIN and when would you use it? [duplicate]
What is self join and when would you use it? I don't understand self joins so a layman explanation with an example would be great.
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Passing two command parameters using a WPF binding
I have a command which I am executing from my XAML file using the following standard syntax:
5 Answers
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How can I ignore everything under a folder in Mercurial
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I did some experiments and I found that the regex syntax on Windows applies to the path starting with the current repository, with backslashes transformed to slashes.
So if your repository is in E:\Dev for example, hg status will apply the pattern...
Find index of a value in an array
...dIndex(words, w => w.IsKey);
That actually gets you the integer index and not the object, regardless of what custom class you have created
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Is it secure to store passwords as environment variables (rather than as plain text) in config files
I work on a few apps in rails, django (and a little bit of php), and one of the things that I started doing in some of them is storing database and other passwords as environment variables rather than plain text in certain config files (or in settings.py, for django apps).
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Add custom headers to WebView resource requests - android
...or adding headers to resources loading requests, make custom WebViewClient and override:
API 24+:
WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request)
or
WebResourceResponse shouldInterceptRequest(WebView view, String url)
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REST API 404: Bad URI, or Missing Resource?
...t the HTTP response code. On top of that, you can provide a response body and/or other headers with a more meaningful error message that developers will see.
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How to persist a property of type List in JPA?
... My mistake was to add @ OneToMany annotation as well... after removing it and just leaving @ ElementCollection it worked
– Willi Mentzel
Jun 13 '17 at 13:41
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Can I use a hash sign (#) for commenting in PHP?
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The answer to the question Is there any difference between using "#" and "//" for single-line comments in PHP? is no.
There is no difference. By looking at the parsing part of PHP source code, both "#" and "//" are handled by the same code and therefore have the exact same behavior.
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