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Strings in a DataFrame, but dtype is object
...The dtype object comes from NumPy, it describes the type of element in a ndarray. Every element in a ndarray must has the same size in byte. For int64 and float64, they are 8 bytes. But for strings, the length of the string is not fixed. So instead of save the bytes of strings in the ndarray directl...
How to find if div with specific id exists in jQuery?
... @Philo What if your looking to match specific ID's held in an array to
– Beaniie
Oct 4 '16 at 12:23
You h...
Why “decimal” is not a valid attribute parameter type?
...
This is a CLR restriction. Only
primitive constants or arrays of
primitives can be used as attribute
parameters. The reason why is that an
attribute must be encoded entirely in
metadata. This is different than a
method body which is coded in IL.
Using MetaData only se...
Save ArrayList to SharedPreferences
I have an ArrayList with custom objects. Each custom object contains a variety of strings and numbers. I need the array to stick around even if the user leaves the activity and then wants to come back at a later time, however I don't need the array available after the application has been closed c...
Download file of any type in Asp.Net MVC using FileResult?
...
Ok, I could try that, but what goes into the byte[] array?
– Anders
Aug 31 '10 at 15:40
3
...
What is the difference between JSON and Object Literal Notation?
...tes ").
The values can be either:
a string
a number
an (JSON) object
an array
true
false
null
Duplicate keys ({"foo":"bar","foo":"baz"}) produce undefined, implementation-specific results; the JSON specification specifically does not define their semantics
In JavaScript, object literals can ha...
Zero-based month numbering [closed]
...lot of sense to point the offset to the base of the memory block. (General array logic tends to be the base address plus the offset x record size.)
And zero-based month numbers? Often, many programming environments calculate the data as a number of days since some default data. December 31, 1899 is...
Adding a new entry to the PATH variable in ZSH
...h+=$PWD/.
# or
path+=$PWD/bin
This lower-case syntax is using path as an array, yet also
affects its upper-case partner equivalent, PATH (to which it is
"bound" via typeset).
(Notice that no : is needed/wanted as a separator.)
Related tidbits
Treating path this way (as an array) also means: no ...
how to ignore namespaces with XPath
...h>
<source id="Plane-mesh-positions">
<float_array id="Plane-mesh-positions-array" count="12">-1 -1 0 1 -1 0 -1 1 0 1 1 0</float_array>
<technique_common>
<accessor source="#Plane-mesh-positions-array" count="4" stride="3">
...
Why doesn't Java support unsigned ints?
...th a specific example (from CLR no less). What's more confusing giving an Array a signed integer length value or an unsigned length? It's impossible for an Array to have negative length yet our API indicates that's possible.
– JaredPar
Jan 10 '09 at 2:29
...