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Is it better to return null or empty collection?
...r it's IEnumerable or ICollection doesn't matter that much. Anyway, if you select something of type ICollection they also return null... I would like them to return an empty collection, but I ran into them returning null, so I thought I'd just mention it here. I would say the default of a collection...
Logging best practices [closed]
...e fine resolution of the recommended logger-per-class pattern for no other selectivity gain.
Failing to expose the optional Exception argument, leading to multiple problems:
It makes an exception logging policy even more difficult to maintain, so nothing is done consistently with exceptions.
Even...
Cannot open include file 'afxres.h' in VC2010 Express
...++.
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Change or remove program (type)
Microsoft Visual Studio
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Select 'Microsoft Foundation Classes for C++'
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How to deal with persistent storage (e.g. databases) in Docker
...
In case it is not clear from update 5 of the selected answer, as of Docker 1.9, you can create volumes that can exist without being associated with a specific container, thus making the "data-only container" pattern obsolete.
See Data-only containers obsolete with dock...
How to convert IPython notebooks to PDF and HTML?
...eps.
For HTML output, you should now use Jupyter in place of IPython and select File -> Download as -> HTML (.html) or run the following command:
jupyter nbconvert --to html notebook.ipynb
This will convert the Jupyter document file notebook.ipynb into the html output format.
Google C...
How do I apply a perspective transform to a UIView?
...zip it
Go into the folder you unzipped, open its iCarousel subfolder, then select iCarousel.h and iCarousel.m and drag them into your project navigation – that's the left pane in Xcode. Just below Info.plist is fine.
Check "Copy items if needed" then click Finish.
Xcode will prompt you with the me...
Fastest way to download a GitHub project
... under the Code tab:
If you don't see the button:
Make sure you've selected <> Code tab from right side navigation menu, or
Repo may not have a zip prepared. Add /archive/master.zip to the end of the repository URL and to generate a zipfile of the master branch.
http://github.com/user...
Distinct() with lambda?
...teredList = originalList
.GroupBy(customer => customer.CustomerId)
.Select(group => group.First());
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Creating a textarea with auto-resize
... observe(text, 'keydown', delayedResize);
text.focus();
text.select();
resize();
}
textarea {
border: 0 none white;
overflow: hidden;
padding: 0;
outline: none;
background-color: #D0D0D0;
}
<body onload="init();">
<textarea rows="1" style="he...
How to convert std::string to lower case?
...y unrelated) definition of tolower which would end up being preferentially selected without the ::.
– Charles Ofria
Jul 30 '16 at 16:43
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