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Why does a function with no parameters (compared to the actual function definition) compile?
... Arrays and
functions are not passed to functions, but are automatically converted
to pointers. If the list is terminated with an ellipsis (,...), then
there is no set number of parameters. Note: the header stdarg.h can be
used to access arguments when using an ellipsis.
And again for the ...
Get decimal portion of a number with JavaScript
...
You could convert to string, right?
n = (n + "").split(".");
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How to read json file into java with simple JSON library
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You can use jackson library and simply use these 3 lines to convert your json file to Java Object.
ObjectMapper mapper = new ObjectMapper();
InputStream is = Test.class.getResourceAsStream("/test.json");
testObj = mapper.readValue(is, Test.class);
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jsonify a SQLAlchemy result set in Flask [duplicate]
...(inst, cls):
"""
Jsonify the sql alchemy query result.
"""
convert = dict()
# add your coversions for things like datetime's
# and what-not that aren't serializable.
d = dict()
for c in cls.__table__.columns:
v = getattr(inst, c.name)
if c.type in con...
Get css top value as number not as string?
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You can use the parseInt() function to convert the string to a number, e.g:
parseInt($('#elem').css('top'));
Update: (as suggested by Ben): You should give the radix too:
parseInt($('#elem').css('top'), 10);
Forces it to be parsed as a decimal number, otherw...
How to get last inserted id?
... myCommand.Parameters.AddWithValue("@GameId", newGameId);
primaryKey = Convert.ToInt32(myCommand.ExecuteScalar());
myConnection.Close();
}
This will work.
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Maximum and Minimum values for ints
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This actually doesn't apply for int cauze cannot convert infinite float to int...but works for most cases
– Leighton
Sep 23 '17 at 23:16
1
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byte + byte = int… why?
.../byte efficient instructions. Those that don't generally have a store-and-convert-to-signed-value-of-some-bit-length.
In other words, this decision must have been based on perception of what the byte type is for, not due to underlying inefficiencies of hardware.
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How do you divide each element in a list by an int?
...to see what is the fastest way for a large number. So, I found that we can convert the int to an array and it can give the correct results and it is faster.
arrayint=np.array(myInt)
newList = myList / arrayint
This a comparison of all answers above
import numpy as np
import time
import random
m...
What is the difference between static_cast and C style casting?
...o, static_cast conversion is not necessarily safe.
static_cast is used to convert from pointer to base class to pointer to derived class, or between native types, such as enum to int or float to int.
The user of static_cast must make sure that the conversion is safe.
The C-style cast does not pe...