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Automatically creating directories with file output [duplicate]

... f: f.write("FOOBAR") The reason to add the try-except block is to handle the case when the directory was created between the os.path.exists and the os.makedirs calls, so that to protect us from race conditions. In Python 3.2+, there is a more elegant way that avoids the race condition abo...
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What is the difference between user and kernel modes in operating systems?

What are the differences between User Mode and Kernel Mode, why and how do you activate either of them, and what are their use cases? ...
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What is the difference between char array and char pointer in C?

I am trying to understand pointers in C but I am currently confused with the following: 8 Answers ...
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Disable Auto Zoom in Input “Text” tag - Safari on iPhone

... The browser will zoom if the font-size is less than 16px and the default font-size for form elements is 11px (at least in Chrome and Safari). Additionally, the select element needs to have the focus pseudo-class attached. input[type="color"], input[type="date"], input[type="datet...
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?

...ontroller means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are also released by the view, they will not actually be deallocated because the UIViewController itself still contains its own outstanding retaining references to those...
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How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?

...ensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to use SG anymore without paying (I'm not using it for commercia...
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS

... OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved. ...
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How is Docker different from a virtual machine?

I keep rereading the Docker documentation to try to understand the difference between Docker and a full VM. How does it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy? ...
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Getting MAC Address

...dress of a computer at run time. For windows the 'wmi' module can be used and the only method under Linux I could find was to run ifconfig and run a regex across its output. I don't like using a package that only works on one OS, and parsing the output of another program doesn't seem very elegant ...
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Get name of current script in Python

...less there. It is set by the import implementation, so if you use a non-standard import mechanism it might also be unset. – Sven Marnach May 3 '13 at 19:18 8 ...