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vector::at vs. vector::operator[]
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I'd say the exceptions that vector::at() throws aren't really intended to be caught by the immediately surrounding code. They are mainly useful for catching bugs in your code. If you need to bounds-check at runtime because e.g. the index comes from user input, you're indeed best of...
The key must be an application-specific resource id
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That's the best way to get unique tag id ? Really Android ?
– jimmy0251
Mar 13 '15 at 10:24
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How to change language settings in R
... of the abbreviations can be found here.
Sys.getenv() gives you a list of all the environment variables that are set.
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Does PHP have threading?
I found this PECL package called threads , but there is not a release yet. And nothing is coming up on the PHP website.
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Difference between attr_accessor and attr_accessible
...d that makes a getter and a setter. attr_accessible is a Rails method that allows you to pass in values to a mass assignment: new(attrs) or update_attributes(attrs).
Here's a mass assignment:
Order.new({ :type => 'Corn', :quantity => 6 })
You can imagine that the order might also have a d...
Lists in ConfigParser
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It's awesome because it does automatically "cast" values which can be useful if you don't know the types beforehand.
– LeGBT
Oct 26 '14 at 21:26
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Python: split a list based on a condition?
What's the best way, both aesthetically and from a performance perspective, to split a list of items into multiple lists based on a conditional? The equivalent of:
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How should I detect unnecessary #include files in a large C++ project?
...a .cpp file, Properties->C/C++->Advanced) that will output a tree of all included files at compile time. This can help in identifying files that shouldn't need to be included.
You can also take a look at the pimpl idiom to let you get away with fewer header file dependencies to make it easie...
How do I execute any command editing its file (argument) “in place” using bash?
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This is an answer. I was actually wondering if there is a generic solution to this problem. For example if I want to find all UNIQ lines in a file "in place", I can't do -o
– jm.
Sep 28 '08 at 21:45
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'
...Copy Local property to True or False
In Solution Explorer, click the Show All Files button to display the References node.
Open the References node for the project.
Right-click a reference in the References list, and click Properties.
The properties associated with that reference appear in a list...