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In .NET, which loop runs faster, 'for' or 'foreach'?
In C#/VB.NET/.NET, which loop runs faster, for or foreach ?
40 Answers
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`require': no such file to load — mkmf (LoadError)
...el libxml2 libxml2-devel libxslt libxslt-devel
worked for me on fedora.
http://nokogiri.org/tutorials/installing_nokogiri.html
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How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'
When I try to execute this statement in Oracle SQL Developer 2.1 a dialog box "Enter Substitution Variable" pops up asking for a replacement value for TOBAGO ,
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How do I clear the terminal screen in Haskell?
How can I clear a terminal screen after my user has selected an option from my application's menu?
8 Answers
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How to copy to clipboard in Vim?
...ystems,
* is the selection, and + is the cut buffer (like clipboard).
http://vim.wikia.com/wiki/Accessing_the_system_clipboard
* is probably what you want most of the time, so I use * because it functions as I expect it to in both environments.
In Linux distros you have to install vim-gtk (a...
Please explain the exec() function and its family
What is the exec() function and its family? Why is this function used and how does its work?
7 Answers
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Visual Studio - Shortcut to Navigate to Solution Explorer
Is there a keyboard shortcut in Visual Studio (aside from CTRL + TAB and selection) that would take me from inside a document directly into the solution explorer? I don't want to customize any shortcuts or change any default behavior.
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Should sorting logic be placed in the model, the view, or the controller? [closed]
I have a drop down list that displays values from a table to the end user. I would like to have these values be sorted alphabetically.
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How to remove a field completely from a MongoDB document?
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db.example.update({}, {$unset: {words:1}}, false, true);
Refer this:
http://www.mongodb.org/display/DOCS/Updating#Updating-%24unset
UPDATE:
The above link no longer covers '$unset'ing. Be sure to add {multi: true} if you want to remove this field from all of the documents in the collection;...
capturing self strongly in this block is likely to lead to a retain cycle
How can I avoid this warning in xcode. Here is the code snippet:
7 Answers
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