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Qt events and signal/slots

...he application needs to know about. Events can be received and handled by any instance of a QObject subclass, but they are especially relevant to widgets. This document describes how events are delivered and handled in a typical application. So events and signal/slots are two paralle...
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git:// protocol blocked by company, how can I get around that?

...ersistent change so you don't have to remember to issue commands suggested by other posts for every git repo. The below solution also just works for submodules which might also be using the git: protocol. Since the git message doesn't really point immediately to the firewall blocking port 9418, le...
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How to permanently set $PATH on Linux/Unix? [closed]

...like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD. /etc/environment.d/*.conf List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. The configuration ...
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A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro

... try to retrieve the result of a Task<T>, when the task is collected by the garbage collector, it will tear down your application during finalization. For details, see MSDN's page on Exception Handling in the TPL. The best option here is to "handle" the exception. This can be done via a con...
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'setInterval' vs 'setTimeout' [duplicate]

...he interval is reached. It should not be nested into its callback function by the script author to make it loop, since it loops by default. It will keep firing at the interval unless you call clearInterval(). if you want to loop code for animations or clocks Then use setInterval. function doStuff(...
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Record file copy operation with Git

...opy detection. You can request rename detection in git diff (and git show) by using the -M option, you can request additional copy detection in changed files by using the -C option (-C implies -M), and you can request more expensive copy detection among all files with --find-copies-harder or -C -C (...
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How to document thrown exceptions in c#/.net

I am currently writing a small framework that will be used internally by other developers within the company. 8 Answers ...
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Spring Data JPA - “No Property Found for Type” Exception

...c interface IFooDAO extends JpaRepository< Foo, Long >{ Foo findByOldPropName( final String name ); } The error indicated that it could no longer find "OldPropName" and threw the exception. To quote the article on DZone: When Spring Data creates a new Repository implementation, it a...
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Difference between CouchDB and Couchbase

...ause those are described pretty much everywhere (see The Future of CouchDB by Damien Katz or Couchbase vs. Apache CouchDB by Couchbase). Instead, I will try to enumerate features of CouchDB that you will not find in the Couchbase Server. All of the names relating to CouchDB and Couchbase can be re...
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What are the differences between a pointer variable and a reference variable in C++?

...&r = x; A pointer has its own memory address and size on the stack (4 bytes on x86), whereas a reference shares the same memory address (with the original variable) but also takes up some space on the stack. Since a reference has the same address as the original variable itself, it is safe to ...