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Combining two expressions (Expression)

...itor : ExpressionVisitor { private readonly Expression _oldValue; private readonly Expression _newValue; public ReplaceExpressionVisitor(Expression oldValue, Expression newValue) { _oldValue = oldValue; _newValue = newValue; ...
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mysql_config not found when installing mysqldb python interface

...but it is not mysql itself. And apparently mySQLdb needs the command 'mysql_config', so you need to install that first. Can you confirm that you did or did not install mysql itself, by running "mysql" from the shell? That should give you a response other than "mysql: command not found". Which lin...
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How does _gaq.push(['_trackPageLoadTime']) work?

How does the Google Analytics Site Speed feature, _gaq.push(['_trackPageLoadTime']) , work? Is there any documentation about how it works? ...
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Can you do a partial checkout with Subversion?

...inity for the leaf directories ''' import os import getpass import pysvn __author__ = "Karl Ostmo" __date__ = "July 13, 2011" # ============================================================================= # XXX The os.path.commonprefix() function does not behave as expected! # See here: http://...
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Is there a way to instantiate objects from a string holding their class name?

...ce() { return new T; } typedef std::map<std::string, Base*(*)()> map_type; map_type map; map["DerivedA"] = &createInstance<DerivedA>; map["DerivedB"] = &createInstance<DerivedB>; And then you can do return map[some_string](); Getting a new instance. Another idea is ...
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [

...s can schedule up to 32 threads) https://www.tutorialspoint.com/cuda/cuda_threads.htm A block cannot have more active threads than 512 therefore __syncthreads can only synchronize limited number of threads. i.e. If you execute the following with 600 threads: func1(); __syncthreads(); func2(); __...
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Javascript Drag and drop for touch devices [closed]

...aggable items and it works great so far. if (event.target.id == 'draggable_item' ) { event.preventDefault(); } share | improve this answer | follow | ...
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_=> what does this underscore mean in Lambda expressions?

What does an lambda expression like _=> expr mean? 5 Answers 5 ...
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jQuery AJAX file upload PHP

...ript to look like this: $('#upload').on('click', function() { var file_data = $('#sortpicture').prop('files')[0]; var form_data = new FormData(); form_data.append('file', file_data); alert(form_data); $.ajax({ url: 'uploa...
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Rails 2.3-style plugins and deprecation warnings running task in Heroku

...x applications .. To avoid this injection in Rails 3, include the rails_12factor gem in your application. (Heroku Ruby Support 2013-10-26) The rails_12factor gem is also required in rails 4. If this gem is not present in your application, you will receive a warning while deploying, and...