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What happens to a declared, uninitialized variable in C? Does it have a value?
...me nonsensical value in there initially - some compilers may even put in specific, fixed values to make it obvious when looking in a debugger - but strictly speaking, the compiler is free to do anything from crashing to summoning demons through your nasal passages.
As for why it's undefined behavior...
Using GPU from a docker container?
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Regan's answer is great, but it's a bit out of date, since the correct way to do this is avoid the lxc execution context as Docker has dropped LXC as the default execution context as of docker 0.9.
Instead it's better to tell docker about the nvidia devices via the --device flag, and just ...
IIS AppPoolIdentity and file system write access permissions
...e been researching and getting nowhere with. Any help would be greatly appreciated.
4 Answers
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Websocket API to replace REST API?
...appealing.
I am seriously considering moving my app from a RESTful architecture to more of an RPC style via websockets. This is not a "toy app", and I'm not talking about only realtime features, so I do have reservations. But I see many benefits in going this route and feel it could turn out to be...
Downloading Java JDK on Linux via wget is shown license page instead
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*Works as of 07-11-2020 for JDK 14
wget --no-check-certificate -c --header "Cookie: oraclelicense=accept-securebackup-cookie" https://download.oracle.com/otn-pub/java/jdk/14.0.1+7/664493ef4a6946b186ff29eb326336a2/jdk-14.0.1_linux-x64_bin.rpm -O ~/Downloads/jdk-14.0.1_linu...
RESTful API methods; HEAD & OPTIONS
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As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This method allows the client to determine t...
What is the difference between JDK dynamic proxy and CGLib?
... javassist) can create a proxy by subclassing. In this scenario the proxy becomes a subclass of the target class. No need for interfaces.
So Java Dynamic proxies can proxy: public class Foo implements iFoo where CGLIB can proxy: public class Foo
EDIT:
I should mention that because javassist and C...
Browsers' default CSS for HTML elements
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A GitHub repository of all W3C HTML spec and vendor default CSS stylesheets can be found here
1. Default Styles for Firefox
2. Default Styles for Internet Explorer
3. Default Styles for Chrome / Webkit
4. Default Styles for Opera
5. Default Styles for HTML4 ...
Expand Python Search Path to Other Source
I have just joined a project with a rather large existing code base. We develop in linux and do not use and IDE. We run through the command line. I'm trying to figure out how to get python to search for the right path when I run project modules. For instance, when I run something like:
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How to deploy correctly when using Composer's develop / production switch?
... desired behavior:
The basic Composer workflow is as follows:
A new project is started: composer.phar install --dev, json and lock files are commited to VCS.
Other developers start working on the project: checkout of VCS and composer.phar install --dev.
A developer adds dependancies: composer.pha...