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How does the keyword “use” work in PHP and can I import classes with it?

...ou want to access those class objects then you can do the following: $smtp_mailer = new SMTPMailer; $mailgun_mailer = new MailgunMailer; It will reference the original class. Some may get confused that then of there are not Similar class names then there is no use of use keyword. Well, you can u...
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How to use the same C++ code for Android and iOS?

...nd to write specific code to each platform in this regard. In other hands, all logic code, business rules, and things that can be shared we intend to write using C++, so we can compile the same code to each platform. In the diagram, you can see the C++ layer at the lowest level. All shared code is ...
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple

...f the work can be avoided. With a slightly smarter linker than is typically used, it is possible to remove some of these inefficiencies. This is discussed in §6.2.3 and §6.2.5. Since the report was written in 2006 one would hope that many of the recommendations would have been incorpor...
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SQLite DateTime comparison

...e a few datetime functions. Follow the string representation formats (actually only formats 1-10) understood by those functions (storing the value as a string) and then you can use them, plus lexicographical comparison on the strings will match datetime comparison (as long as you don't try to compa...
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How to disable UITextField editing but still accept touch?

I'm making a UITextField that has a UIPickerView as inputView . Its all good, except that I can edit by copy, paste, cut and select text, and I don't want it. Only the Picker should modify text field. ...
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Is there any JSON Web Token (JWT) example in C#?

I feel like I'm taking crazy pills here. Usually there's always a million library and samples floating around the web for any given task. I'm trying to implement authentication with a Google "Service Account" by use of JSON Web Tokens (JWT) as described here . ...
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How to create a date and time picker in Android? [closed]

...this response should be updated. The DateSlider library referenced by Rabi all the way below seems to be perfect for this. – Stephan Branczyk Aug 7 '11 at 21:09 ...
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Image comparison - fast algorithm

...ow. The second method uses only elementary image processing, and is potentially faster than the first approach, and is straightforward to implement. However, what it gains in understandability, it lacks in robustness -- matching fails on scaled, rotated, or discolored images. The third method is bo...
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Intersection of two lists in Bash

... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort) – Alexander Bird Jan 15 '15 at 21:11 ...
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How to check if a number is between two values?

... edited Sep 3 '19 at 10:43 JuicY_Burrito 35522 silver badges1313 bronze badges answered Feb 5 '13 at 22:58 und...