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What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Iterate through every file in one directory
... said, Dir::foreach is a good option here. However, note that Dir::foreach and Dir::entries will always include . and .. (the current and parent directories). You will generally not want to work on them, so you can use Dir::each_child or Dir::children (as suggested by ma11hew28) or do something like...
can't push to branch after rebase
We use git and have a master branch and developer branches. I need to add a new feature and then rebase the commits to master, then push master to CI server.
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Canvas width and height in HTML5
Is it possible to fix the width and height of an HTML5 canvas element?
4 Answers
4
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Debugging automatic properties
... Briliant. Thanks. I don't need to change automatic properties to standard one (with field) anymore. And no more recompilation:)
– Marek Kwiendacz
Jul 16 '11 at 22:24
9
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Add querystring parameters to link_to
...e an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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gunicorn autoreload on source change
... agreed. The other answers may work, but this is by far the simplest and it's not a workaround. It's exactly what the OP wanted.
– J-bob
Aug 11 '14 at 15:08
1
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What is the purpose of the '@' symbol in CSS?
I just stumbled across this question and I noticed the user is using some notation I've never seen before:
5 Answers
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Pass Nothing from Javascript to VBScript in IE9
...framework parameter of the function is checked for Nothing in If statement and then some actions executed.
Code that uses framework written in Javascript. So I need to pass Nothing to function to perform some actions. In IE8 and earlier versions worked next approach:
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
...meone give me a quick summary of what a ViewModelLocator is, how it works, and what the pros/cons are for using it compared to DataTemplates?
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