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Measure and Benchmark Time for Ruby Methods
...nd the time taken for database access and redis access. I do not want to write Benchmark.measure before every statement. Does the ruby interpreter gives us any hooks for doing this ?
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Error: Can't set headers after they are sent to the client
... call res.setHeader(name, value) as often as you want until you call res.writeHead(statusCode). After writeHead, the headers are baked in and you can only call res.write(data), and finally res.end(data).
The error "Error: Can't set headers after they are sent." means that you're already in the Body ...
Table name as variable
...should generate the full SQL dynamically, and use sp_executesql to execute it.
Here is an example of a script used to compare data between the same tables of different databases:
static query:
SELECT * FROM [DB_ONE].[dbo].[ACTY]
EXCEPT
SELECT * FROM [DB_TWO].[dbo].[ACTY]
since I want easily cha...
Finding sum of elements in Swift array
...n to a single value by recursively applying the provided closure". We give it 0 as the initial value, and then, essentially, the closure { $0 + $1 }. Of course, we can simplify that to a single plus sign, because that's how Swift rolls.
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How do you make a HTTP request with C++?
Is there any way to easily make a HTTP request with C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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How to download an entire directory and subdirectories using wget?
...his in shell:
wget -r --no-parent http://abc.tamu.edu/projects/tzivi/repository/revisions/2/raw/tzivi/
The Parameters are:
-r //recursive Download
and
--no-parent // Don´t download something from the parent directory
If you don't want to download the entire content, you may use:
-...
How to change JFrame icon [duplicate]
I have a JFrame that displays a Java icon on the title bar (left corner).
I want to change that icon to my custom icon. How should I do it?
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Reset auto increment counter in postgres
... like to force the auto increment field of a table to some value, I tried with this:
12 Answers
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MongoDb query condition on comparing 2 fields
I have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
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Is it possible to specify the schema when connecting to postgres with JDBC?
Is it possible? Can i specify it on the connection URL? How to do that?
9 Answers
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