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How do I determine the current operating system with Node.js
...node shell scripts for use when developing on a platform. We have both Mac and Windows developers. Is there a variable I can check for in Node to run a .sh file in one instance and .bat in another?
...
Does MS SQL Server's “between” include the range boundaries?
...t_expression is greater than or
equal to the value of begin_expression
and less than or equal to the value of
end_expression.
DateTime Caveat
NB: With DateTimes you have to be careful; if only a date is given the value is taken as of midnight on that day; to avoid missing times within your ...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...' (lower- or even mixed case). Does PHP automatically sanitize this on GET and POST?
– Boldewyn
Mar 22 '10 at 13:24
Af...
How to check if an object is a list or tuple (but not string)?
...es I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
...
How to create a string with format?
...rk correctly. Otherwise the expression will call String.init<T>(T) , and it will produce something like "(\"%@%x %x\", 10)" instead of.
– eonil
Apr 25 '16 at 4:04
...
Convert to binary and keep leading zeros in Python
...Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters width, with 0 padding; 2 characters for the 0b prefix, the other 8 for the binary digits.
This is the most compact and direct option.
If you are putting the result...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...类型的传感器数据
if contains topic "temperature" then
handleTemperatureData Data
else if contains topic "humidity" then
handleHumidityData Data
else if contains topic "light" then
handleLightData Data
else if contains topic "soil_moisture" then
...
Access multiple elements of list knowing their index
...
I have benchmarked the non numpy options and itemgetter appears to be the fastest, even slightly faster than simply typing out the desired indexes inside parentheses, using Python 3.44
– ragardner
Oct 16 '17 at 9:42
...
Pretty-print C++ STL containers
...har *postfix;
};
// Defines the delimiter values for a specific container and character type
template<typename T, typename TChar>
struct delimiters
{
static const delimiters_values<TChar> values;
};
// Default delimiters
template<typename T> struct delimiters<T, char> ...
self referential struct definition?
I haven't been writing C for very long, and so I'm not sure about how I should go about doing these sorts of recursive things... I would like each cell to contain another cell, but I get an error along the lines of "field 'child' has incomplete type". What's up?
...