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How do I merge a list of dicts into a single dict?
... this:
from functools import reduce
reduce(lambda a, b: dict(a, **b), list_of_dicts)
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CSS background-image - What is the correct usage?
..... +1 for being clear on where the path starts.
– me_
Jan 14 '18 at 8:45
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Convert NSNumber to int in Objective-C
...r interfacing with cross-platform libs. And even then something like uint32_t would be better to use.
– Max Seelemann
Jan 11 '15 at 13:06
1
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How can I convert an image into Base64 string using JavaScript?
...we extract 2 or more canvas as a single PNG?
– techie_28
Jul 11 '16 at 11:48
162
Can you please m...
Can I return the 'id' field after a LINQ insert?
...? there is no insertonsubmit or submitchanges??
– Bat_Programmer
Jul 4 '12 at 0:35
1
@Confused Pr...
Officially, what is typename for?
On occasion I've seen some really indecipherable error messages spit out by gcc when using templates... Specifically, I've had problems where seemingly correct declarations were causing very strange compile errors that magically went away by prefixing the typename keyword to the beginning of the...
What is the correct way to get a subarray in Scala?
...
An example of extracting specific columns from a 2D Scala Array (original_array):
import scala.collection.mutable.ArrayBuffer
val sub_array = ArrayBuffer[Array[String]]()
val columns_subset: Seq[String] = Seq("ColumnA", "ColumnB", "ColumnC")
val columns_original = original_array(0)
for (column_...
rails 3 validation on uniqueness on multiple attributes
...
In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at...
Difference between Eclipse Europa, Helios, Galileo
...ects
Europa 29 June 2007 3.3 Europa projects
Callisto 30 June 2006 3.2 Callisto projects
Eclipse 3.1 28 June 2005 3.1
Eclipse 3.0 28 June 2004 3.0
To summarize, Helios, Galileo, Ganymede, etc are just code names for versi...
Convert file path to a file URI?
...||
v == '+' || v == '/' || v == ':' || v == '.' || v == '-' || v == '_' || v == '~' ||
v > '\xFF')
{
uri.Append(v);
}
else if (v == Path.DirectorySeparatorChar || v == Path.AltDirectorySeparatorChar)
{
uri.Append('/');
}
else
{
uri.Append(...
