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Is there any way to use a numeric type as an object key?
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@TimDown, and what I'm saying is that you are wrong. "Setting a numeric property on an Array can affect the length property" is an incorrect statement. Javascript Array properties are completely independent of Array elements. What conf...
Why is the JVM stack-based and the Dalvik VM register-based?
I'm curious, why did Sun decide to make the JVM stack-based and Google decide to make the DalvikVM register-based?
3 Answer...
Android - Writing a custom (compound) component
The Android app I'm currently developing has a main activity that has grown quite large. This is mainly because it contains a TabWidget with 3 tabs. Each tab has quite a few components. The activity has to control of all those components at once. So I think you can imagine that this Activity has l...
Bash Script: count unique lines in file
I have a large file (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
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How do RVM and rbenv actually work?
I am interested in how RVM and rbenv actually work.
5 Answers
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How do I revert master branch to a tag in git?
We have branches origin and develop.
The initial state of master was tagged at tag_ABC .
2 Answers
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Why is not in HTML 5 Tag list while is?
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+1. Excellent point about semantics and clearly the best answer so far.
– ЯegDwight
Feb 14 '10 at 3:30
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How to open the Chrome Developer Tools in a new window?
... When the Developer Tools dialog is open, you select the vertical ellipsis and can then choose the docking position:
Select the icon on the left to open the Chrome Developer Tools in a new window:
Previously
Click and hold the button next to the close button of the Developer Tool in order to...
How to calculate the bounding box for a given lat/lng location?
I have given a location defined by latitude and longitude.
Now i want to calculate a bounding box within e.g. 10 kilometers of that point.
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...tionController::Parameters, which provides several methods such as require and permit.
The require method ensures that a specific parameter is present, and if it's not provided, the require method throws an error. It returns an instance of ActionController::Parameters for the key passed into requi...