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How to select multiple rows filled with constants?
Selecting constants without referring to a table is perfectly legal in an SQL statement:
15 Answers
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Uploading images using Node.js, Express, and Mongoose
...y location of the file
var tmp_path = req.files.thumbnail.path;
// Set where the file should actually exists - in this case it is in the "images" directory.
target_path = '/tmp/' + req.files.thumbnail.name;
// Move the file from the temporary location to the intended location
fs....
ActiveRecord OR query
How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries.
14 Answers
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
I am trying to set up multiple setting files (development, production, ..) that include some base settings. Cannot succeed though. When I try to run ./manage.py runserver I am getting the following error:
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SQLite in Android How to update a specific row
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Simple way:
String strSQL = "UPDATE myTable SET Column1 = someValue WHERE columnId = "+ someValue;
myDataBase.execSQL(strSQL);
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Passing variables through handlebars partial
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Handlebars partials take a second parameter which becomes the context for the partial:
{{> person this}}
In versions v2.0.0 alpha and later, you can also pass a hash of named parameters:
{{> person headline='Headline'}}
You can see the tests for these scenarios: https://github.com/w...
How to query SOLR for empty fields?
...ery;
}
public bool NegativeQuery
{
get { return _negativeQuery; }
set { _negativeQuery = value; }
}
And in QueryParameterCollection.cs class, the ToString() override, looks if the Negative parameter is true
arQ[x] = (qp.NegativeQuery ? "-(" : "(") + qp.ToString() + ")" + (qp.Boost != 1 ?...
How do I launch the Android emulator from the command line?
...the adb install command in another, I get error: device offline. How do I set an emulated virtual device?
– Thierry Lam
Feb 12 '11 at 20:14
3
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Getting only Month and Year from SQL DATE
...e same as "removing" any notation of day and time altogether.
Also the DAY set to the first. e.g. 2009-10-01 00:00:00.000
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