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Understanding __get__ and __set__ and Python descriptors
...AttributeError: __delete__
And you can't assign a variable that can't be converted to a float:
>>> t1.celsius = '0x02'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 7, in __set__
ValueError: invalid literal for float(): ...
Swift Beta performance: sorting arrays
...amp;x_c, CInt(x_c.count))
let c_stop:UInt64 = mach_absolute_time();
This converts the absolute times to seconds:
static const uint64_t NANOS_PER_USEC = 1000ULL;
static const uint64_t NANOS_PER_MSEC = 1000ULL * NANOS_PER_USEC;
static const uint64_t NANOS_PER_SEC = 1000ULL * NANOS_PER_MSEC;
mach_t...
Simple way to create matrix of random numbers
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First, create numpy array then convert it into matrix. See the code below:
import numpy
B = numpy.random.random((3, 4)) #its ndArray
C = numpy.matrix(B)# it is matrix
print(type(B))
print(type(C))
print(C)
...
WPF TemplateBinding vs RelativeSource TemplatedParent
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One more thing - TemplateBindings don't allow value converting. They don't allow you to pass a Converter and don't automatically convert int to string for example (which is normal for a Binding).
share...
How does this print “hello world”?
... symbols) = 127 possible values, which can be represented with 7 bits.
We converted each UTF-8 (16 bit) character to 7 bits, and gain more than 56% compression ratio. So we could send texts with twice length in the same number of SMSs. (It is somehow the same thing happened here).
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Is there a way to access method arguments in Ruby?
...o #{eval arg.to_s} to get it to work, otherwise you get a TypeError: can't convert Symbol into String
– Javid Jamae
Oct 11 '12 at 3:03
5
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Join/Where with LINQ and Lambda
...ple. Its really convenient. If i suffer any performance penalties then ill convert the query to Dapper
– ozzy432836
Jun 27 at 10:59
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.NET unique object identifier
...erence is the unique identifier for the object. I don't know of any way of converting this into anything like a string etc. The value of the reference will change during compaction (as you've seen), but every previous value A will be changed to value B, so as far as safe code is concerned it's still...
Templated check for the existence of a class member function?
...char>() == true, "fail X"); will compile and not assert because char is convertable to int, so if that behavior is not wanted and want that all argument types match i dont know how that can be achieved?
– Gabriel
Oct 4 '15 at 14:10
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Creating a JSON response using Django and Python
I'm trying to convert a server side Ajax response script into a Django HttpResponse, but apparently it's not working.
15 An...