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What is the reason for performing a double fork when creating a daemon?
...g twice also prevents creating zombies when parent process runs for longer time and for some reason removing default handler for signal informing that process died.
– Trismegistos
Mar 28 '14 at 18:28
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What's the difference between std::move and std::forward
...fy Y to something that is not allowed, the error will be caught at compile time, not run time.
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Is there any NoSQL data store that is ACID compliant?
...this is a pretty broad topic)
(I) if other things are going on at the same time they shouldn't be able to see things mid-update
(D) if the system blows up (hardware or software) the database needs to be able to pick itself back up; and if it says it finished applying an update, it needs to be certai...
Optional query string parameters in ASP.NET Web API
... author="", string title="", string isbn="", string somethingelse="", DateTime? date= null)
{
// ...
}
and everything will work out of the box.
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Specifying and saving a figure with exact size in pixels
...ng', dpi=my_dpi)
To to save it as an 8000x8000 pixel image, use a dpi 10 times larger:
plt.savefig('my_fig.png', dpi=my_dpi * 10)
Note that the setting of the DPI is not supported by all backends. Here, the PNG backend is used, but the pdf and ps backends will implement the size differently. Al...
What is a message pump?
...rieves a message from Windows. Your program typically spends 99.9% of its time there, waiting for Windows to tell it something interesting happened. TranslateMessage() is a helper function that translates keyboard messages. DispatchMessage() ensures that the window procedure is called with the me...
An async/await example that causes a deadlock
I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
5 A...
Backbone.View “el” confusion
...llows you to do very fine grain manipulation of the el object. Most of the time I use an el: $("someElementInThePage") which actually binds all the manipulation you do to el in your view to the current page. Otherwise if you want to see all the hard work you have done in your view show up on the pag...
JavaScript: What are .extend and .prototype used for?
I am relatively new to JavaScript and keep seeing .extend and .prototype in third party libraries I am using. I thought it had to do with the Prototype javascript library, but I am beginning to think that is not the case. What are these used for?
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Difference between private, public, and protected inheritance
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If you have a hard time understanding this, read Kirill V. Lyadvinsky's answer, then come back and read this.
– The Vivandiere
Jun 25 '15 at 22:35
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