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Creating an instance of class

...ere. /* 8 */ Bar* bar3 = new Bar ( Foo::Foo() ); Would work and work by the same principle to 5 and 6 if bar3 wasn't declared on in 7. 5 & 6 contain memory leaks. Syntax like new Bar ( Foo::Foo() ); is not usual. It's usually new Bar ( (Foo()) ); - extra parenthesis account for most-vexi...
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How can I do DNS lookups in Python, including referring to /etc/hosts?

...host's ip. In case you want the latter, import socket print(socket.gethostbyname('localhost')) # result from hosts file print(socket.gethostbyname('google.com')) # your os sends out a dns query share | ...
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Find and Replace Inside a Text File from a Bash Command

...xample: sed -i '.bak' 's/find/replace/' /file.txt You can skip the backup by using an empty string like so: sed -i '' 's/find/replace/' /file.txt – Austin Feb 21 '13 at 21:36 8 ...
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How to properly exit a C# application?

...shed application in C#. The problem here is whenever I close the main form by clicking on the red exit button, it closes the form but it doesn't close the application. I found this out when I tried shutting down the computer, hopeful that the application I made was running smoothly then I was bombar...
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box

...h CRT monitor). Here figsize=(M,N) sets the figure window to be M inches by N inches. Just play with this until it looks right for you. Convert it to a more scalable image format and use GIMP to edit if necessary, or just crop with the LaTeX viewport option when including graphics. ...
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How to get element by class name? [duplicate]

Using JavaScript, we can get element by id using following syntax: 4 Answers 4 ...
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Android Studio: Module won't show up in “Edit Configuration”

...d similar issue when I selected parent directory of my project, I resolved by Close Project -> Delete Project from Android Studio -> Import Project by selecting right build.gradle file. Make sure you select right build.gradle file while import. ...
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START_STICKY and START_NOT_STICKY

...he service and redeliver the same intent to onStartCommand(). This article by Dianne Hackborn explained the background of this a lot better than the official documentation. Source: http://android-developers.blogspot.com.au/2010/02/service-api-changes-starting-with.html The key part here is a new re...
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How to detect Safari, Chrome, IE, Firefox and Opera browser?

...it's trivial to spoof this value. I've written a method to detect browsers by duck-typing. Only use the browser detection method if it's truly necessary, such as showing browser-specific instructions to install an extension. Use feature detection when possible. Demo: https://jsfiddle.net/6spj1059/ ...
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ld cannot find an existing library

... kind of perplexed that it would name the file in a completely useless way by default - can you provide any insight why it would do this by default? – maxpenguin Dec 3 '08 at 1:09 ...