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How do CSS triangles work?
...ere're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle:
20...
Retrieving Android API version programmatically
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As described in the Android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT
The class corresponding to this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (a...
How to clone git repository with specific revision/changeset?
...iable uploadpack.allowReachableSHA1InWant, here the GitHub feature request and the GitHub commit enabling this feature. Note that some Git servers activate this option by default, e.g. Bitbucket Server enabled it since version 5.5+. See this answer on Stackexchange for a exmple of how to activate t...
try {} without catch {} possible in JavaScript?
...urn something or throw an error. In a main function, I call each of these, and would like to return the value returned by each function, or go on to the second function if the first functions throws an error.
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What algorithm gives suggestions in a spell checker?
...mplement a spelling corrector. It's basicly a brute force approach trying candidate strings with a given edit distance. (Here are some tips how you can improve the spelling corrector performance using a Bloom Filter and faster candidate hashing.)
The requirements for a spell checker are weaker. You...
Understanding Canvas and Surface concepts
I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
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What is a magic number, and why is it bad? [closed]
...tion("password");
}
}
}
It improves readability of the code and it's easier to maintain. Imagine the case where I set the size of the password field in the GUI. If I use a magic number, whenever the max size changes, I have to change in two code locations. If I forget one, this will l...
scala vs java, performance and memory? [closed]
I am keen to look into Scala, and have one basic question I cant seem to find an answer to:
in general, is there a difference in performance and usage of memory between Scala and Java?
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Checkbox for nullable boolean
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I got it to work with
@Html.EditorFor(model => model.Foo)
and then making a Boolean.cshtml in my EditorTemplates folder and sticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
sh...
How do you add swap to an EC2 instance?
I'm currently running an ec2 micro instance and i've been finding that the instance occasionally runs out of memory.
10 Ans...