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Read text file into string array (and write)

The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang? e.g. ...
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

...y ways to do this. This answer starts with what is quickly becoming the standard method, but also includes older methods and various other methods from answers to similar questions scattered around this site. tmp <- data.frame(x=gl(2,3, labels=letters[24:25]), y=gl(3,1,6, labe...
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Is there a built-in function to print all the current properties and values of an object?

.... Pretty printing is also available in the interactive debugger as a command: (Pdb) pp vars() {'__builtins__': {'ArithmeticError': <type 'exceptions.ArithmeticError'>, 'AssertionError': <type 'exceptions.AssertionError'>, 'AttributeError': <type ...
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Activate a virtualenv via fabric as deploy user

...y, activate the projects .virtualenv, which will change dir to the project and issue a git pull. 9 Answers ...
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Reading ePub format

...out how to download the EPUB, to unzip it somewhere, to parse the manifest and then to display the relevant content. Some pointers if you're just starting out: parse xml unzip To display content just use a UIWebView for now. Here's a high level step by step for your code: 1) create a view wi...
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Get the Highlighted/Selected text

...be gained by involving jQuery since you need nothing other than the window and document objects. function getSelectionText() { var text = ""; if (window.getSelection) { text = window.getSelection().toString(); } else if (document.selection && document.selection.type != "...
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How to reverse a singly linked list using only two pointers?

... Any alternative? No, this is as simple as it gets, and there's no fundamentally-different way of doing it. This algorithm is already O(n) time, and you can't get any faster than that, as you must modify every node. It looks like your code is on the right track, but it's not...
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Android set height and width of Custom view programmatically

...method to measure the view more precisely depending on the space available and layout constraints (wrap_content, match_parent, or a fixed size). You can find an example on how to override onMeasure() by looking at the android docs and the LabelView sample in your SDK directory. ...
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Oracle: how to UPSERT (update or insert into a table?)

...swered Oct 27 '08 at 11:12 Tony AndrewsTony Andrews 119k1919 gold badges207207 silver badges246246 bronze badges ...
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Long Press in JavaScript?

...at, you don't just want mouse move though - holding you finger dead steady and not moving 1px is quite hard! You need to apply a threshold (if mouse hasn't moved 10px) etc. Gets complicated quite quickly! – Ian Feb 18 '15 at 12:44 ...