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Android 4.3 menu item showAsAction=“always” ignored
... @dineth appcompat is used as a library project. This means all its resources (strings, drawable, attributes...) are declared in your application namespace instead of the android namespace. As the showAsAction attribute did not exist in android-7, you have to use your app namespace
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Java - removing first character of a string
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Its important to note that this doesn't actually remove the character from the string -- it gives you a new string that has all the characters of the old string except the first one. There's no way to actually modify a string.
– Chris Dodd
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Can I exclude some concrete urls from inside ?
I want some concrete filter to be applied for all urls except for one concrete (i.e. for /* except for /specialpath ).
7...
Which is preferred: Nullable.HasValue or Nullable != null?
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The compiler replaces null comparisons with a call to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
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What is the difference between null and undefined in JavaScript?
...he typeof operator returns 'object' for a value that is null. This was actually an error in the original JavaScript implementation that was then copied in ECMAScript. Today, it is rationalized that null is considered a placeholder for an object, even though, technically, it is a primitive value."
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Converting a string to int in Groovy
...) self);
}
You can force the non-deprecated version of the method to be called using something awful like:
int num = ((CharSequence) "66").toInteger()
Personally, I much prefer:
int num = 66 as Integer
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What does the servlet value signify
... that this servlet should be loaded (instantiated
and have its
init() called) on the startup of the Web application. The element content of this
element must be an integer indicating the order in which the servlet should be
loaded. If the value is a negative integer, or the element is not pr...
Applicatives compose, monads don't
...t a value in s can determine the behaviour of a computation in m t. Monads allow interference between the value and computation layers. The (<*>) operator allows no such interference: the function and argument computations don't depend on values. This really bites. Compare
miffy :: Monad m =&...
Why does (1 in [1,0] == True) evaluate to False?
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Python actually applies comparison operator chaining here. The expression is translated to
(1 in [1, 0]) and ([1, 0] == True)
which is obviously False.
This also happens for expressions like
a < b < c
which translate to
(...
Develop Android app using C#
...this on their site dot42 has been discontinued and is no longer supported. All sources are availabe on GitHub. The latest build is available as a binary setup. as of 5/29/2015. They did have a source download and a GitHub.
– JabberwockyDecompiler
May 30 '15 at...