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What Automatic Resource Management alternatives exist for Scala?
I have seen many examples of ARM (automatic resource management) on the web for Scala. It seems to be a rite-of-passage to write one, though most look pretty much like one another. I did see a pretty cool example using continuations, though.
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How to easily map c++ enums to strings
...is also only c++11). Nice solution ! It would be perfect if you could also set a value for some enums
– jamk
May 7 '14 at 7:26
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Location of sqlite database on the device
...to do this, your app must have permission to access SD card, add following setting to your manifest.xml
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
Not a brilliant way, but works.
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Inline comments for Bash?
I'd like to be able to comment out a single flag in a one-line command. Bash only seems to have from # till end-of-line comments. I'm looking at tricks like:
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How do I read CSV data into a record array in NumPy?
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You can use Numpy's genfromtxt() method to do so, by setting the delimiter kwarg to a comma.
from numpy import genfromtxt
my_data = genfromtxt('my_file.csv', delimiter=',')
More information on the function can be found at its respective documentation.
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What's the difference between SortedList and SortedDictionary?
Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
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Different return values the first and second time with Moq
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With the latest version of Moq(4.2.1312.1622), you can setup a sequence of events using SetupSequence. Here's an example:
_mockClient.SetupSequence(m => m.Connect(It.IsAny<String>(), It.IsAny<int>(), It.IsAny<int>()))
.Throws(new SocketException())
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In Python, how do I indicate I'm overriding a method?
In Java, for example, the @Override annotation not only provides compile-time checking of an override but makes for excellent self-documenting code.
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Pinging servers in Python
...ows) or -c (Unix) controls the number of packets which in this example was set to 1.
platform.system() returns the platform name. Ex. 'Darwin' on macOS.
subprocess.call() performs a system call. Ex. subprocess.call(['ls','-l']).
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Font-awesome, input type 'submit'
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If you're trying to set this with javascript or jQuery, use the unicode variation: $("input.search").addClass("fa").val("\uf011 Login");
– Jamie Chong
Mar 27 '15 at 5:51
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