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What's the optimum way of storing an NSDate in NSUserDefaults?
...t primitive)? Just [sharedDefaults setObject:theDate forKey:@"theDateKey"] and be done with it. NSDate is one of the "main types" supported by the PLIST format (dates, numbers, strings, data, dictionaries, and arrays), so you can just store it directly.
See the documentation for proof.
Just store ...
How to make a background 20% transparent on Android
...alpha channel. For example, for red use #CCFF0000:
<TextView
...
android:background="#CCFF0000" />
In the example, CC is the hexadecimal number for 255 * 0.8 = 204. Note that the first two hexadecimal digits are for the alpha channel. The format is #AARRGGBB, where AA is the alpha cha...
Scala: What is a TypeTag and how do I use it?
...hat they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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Why “decimal” is not a valid attribute parameter type?
...ion of the CLR,
metadata values are limited to
primitives, null, types and arrays of
primitives (may have missed a minor
one).
Taken from this answer by JaredPar.
Decimals while a basic type are not a
primitive type and hence cannot be
represented in metadata which prevents
it fr...
Python, remove all non-alphabet chars from string
...r. Thats where my issues lies, I was comparing my results to given results and I was still off. I think that's my issue! Thanks // Hmm, I tried it with the newline char same results, I think there is another I am missing.. // Duhhh... Upper and lower case... // Thanks for all the help, works perfect...
Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...nstance of your test fixture is created.
In JUnit 5, the tags @BeforeEach and @BeforeAll are the equivalents of @Before and @BeforeClass in JUnit 4. Their names are a bit more indicative of when they run, loosely interpreted: 'before each tests' and 'once before all tests'.
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answ...
What does curly brackets in the `var { … } = …` statements do?
...om arrays or objects using a syntax that mirrors the construction of array and object literals.
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One particularly useful thing you can do with destructuring assignment is to read an entire structure in a single statement, although there are a number of interesting things you can do with them,...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
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Create a hexadecimal colour based on a string with JavaScript
...a function that will accept any old string (will usually be a single word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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