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Get exit code of a background process
...ackground process that was executed. That will tell you what process to monitor, anyway.
4: wait <n> waits until the process with PID <n> is complete (it will block until the process completes, so you might not want to call this until you are sure the process is done), and then returns t...
Why are empty strings returned in split() results?
What is the point of '/segment/segment/'.split('/') returning ['', 'segment', 'segment', ''] ?
7 Answers
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Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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How do I debug Node.js applications?
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node-inspector could save the day! Use it from any browser supporting WebSocket. Breakpoints, profiler, livecoding, etc... It is really awesome.
Install it with:
npm install -g node-inspector
Then run:
node-debug app.js
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Have a div cling to top of screen if scrolled down past it [duplicate]
...ve a div which, when my page is first loaded, is about 100px from the top (it holds some buttons etc. for the page).
4 Answ...
How to do version numbers? [closed]
My company is building a product. It's going to be versioned by SVN. It's a webapp so basically there will never be a version out which doesn't have some features in them and thus could always be labeled as beta. But since it's going to be a corporate product I really don't want the "unstable watcho...
Swift native base class or NSObject
I tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly or further up), or by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
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When do we have to use copy constructors?
...iler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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findViewByID returns null
... I read all the other threads on this topic. And not only those from this site... (you see, I'm a little frustrated)
29 Ans...
Is there a “goto” statement in bash?
Is there a "goto" statement in bash ? I know It is considered bad practice, but I need specifically "goto".
12 Answers
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