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How do I format a Microsoft JSON date?
...s JSON has a loose DateTime implementation, you need to use the IsoDateTimeConverter(). Note that since Json.NET 4.5 the default date format is ISO so the code below isn't needed.
string jsonText = JsonConvert.SerializeObject(p, new IsoDateTimeConverter());
The JSON will come through as
"fieldNa...
How do I find numeric columns in Pandas?
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Exactly. As a best practice I try to use and convert to as many numpy methods as possible. This is due to pandas dynamism. The API changes frequently. For undocumented methods it's just plain reckless, no matter how useful it is.
– mik
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JSON formatter in C#?
... and call SerializeObject with the Formatting.Indented enum -
var x = JsonConvert.SerializeObject(jsonString, Formatting.Indented);
Documentation: Serialize an Object
Update -
Just tried it again. Pretty sure this used to work - perhaps it changed in a subsequent version or perhaps i'm just ...
Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. I...
Polymorphism in C++
...ndard conversion sequence will be applied to an expression if necessary to convert it to a required destination type.
These conversions allow code such as:
double a(double x) { return x + 2; }
a(3.14);
a(42);
Applying the earlier test:
To be polymorphic, [a()] must be able to operate with...
Position of least significant bit that is set
...n here or one of the ones on the Bit Twiddling Hacks page can trivially be converted to give lowest set bit using the above identities and has the advantage of being branchless.
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Iterate through the fields of a struct in Go
...ce value then represents the
value of the field.
There is no function to convert the value of the field to a concrete type as there are,
as you may know, no generics in go. Thus, there is no function with the signature GetValue() T
with T being the type of that field (which changes of course, depe...
How do I find the time difference between two datetime objects in python?
...r so pause
>>> d2 - d1
datetime.timedelta(0, 5, 203000)
You can convert dd.days, dd.seconds and dd.microseconds to minutes.
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Real world use cases of bitwise operators [closed]
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Modern optimizers will convert expressions like (value% 2) != 0 automatically to the above expressions. godbolt.org/z/mYEBH4
– Ferrarezi
Dec 14 '19 at 16:29
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How to open, read, and write from serial port in C?
...al port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
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