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test a file upload using rspec - rails
...argument to post was a path helper method, whose only intended argument I didn't enclose in parentheses, so the following tokens were interpreted as additional args to the helper, rather than args for the post itself. E.g., I had post order_documents_path @order, document: file instead of post order...
How do I make a placeholder for a 'select' box?
... answered May 2 '11 at 15:45
DavidDavid
34.9k33 gold badges1414 silver badges1414 bronze badges
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Elastic search, multiple indexes vs one index and types for different data sets?
... This answer is not complete without the info from elasticsearch.org/guide/en/elasticsearch/guide/current/…
– AndreKR
Jan 17 '15 at 5:57
5
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visual c++: #include files from other projects in the same solution
...ncies. How do I #include a header file from a different project? I have no idea how to use classes from one project in another.
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Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...u make a change to a file that is cached in CloudFront, make sure you invalidate the cache after making this type of change.
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AngularJS toggle class using ng-class
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The second example is cleaner, but it's ridiculous that you can't put the variable you're evaluating at the front of the expression... it just reads funny. Imagine looking at the expression as an if statement: "if (variable) true: do this, false: do that... ugh #ful...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...SQL, it just tells SSMS to send the SQL statements between each GO in individual batches sequentially.
The ; is a SQL statement delimiter, but for the most part the engine can interpret where your statements are broken up.
The main exception, and place where the ; is used most often is before a Co...
How to call any method asynchronously in c#
...ay to fire-and-forget for async jobs:
using System.Threading.Tasks;
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void Foo(){}
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new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call without having to create delegates:
void Foo2(int x, string y)
{
return;
}
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new Task(...
Default template arguments for function templates
... typename std::iterator_traits<Iterator>::value_type> >
void sort(Iterator beg, Iterator end, Comp c = Comp()) {
...
}
C++0x introduces them to C++. See this defect report by Bjarne Stroustrup: Default Template Arguments for Function Templates and what he says
The prohibitio...
Looking for a clear definition of what a “tokenizer”, “parser” and...
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@Pithkos: if those are the only constraints, all you've said is the function takes an input in one unnamed (mathematical) domain and produces and output in another unamed domain, e.g., F(X) -> Y Pretty much this means you can only call this a "function". If you insist that...