Here are a few solutions you can try: ldconfig As AbiusX pointed out: If you have just now installed the library, you may simply need to run ldconfig. sudo ldconfig ldconfig creates the necessary links and cache to the most recent shared libraries found in the directories specified on the command line, in the file /etc/ld.so.conf, and in the trusted directories (/lib and /usr/lib). Usually ...
4 You can check whether object contains an attribute by using the hasattr built-in method. For an instance, if your object is a and you want to check for attribute stuff:
I guess one expects to find a unit test under "The test" section, whereas there is none. btw, I like the approach where the Contact object knows how to convert itself to JSON. What I don't like in this example, is that the object is not actually an object from OOP perspective, rather than just bunch of public methods and properties.
If this is the proper way of checking if the object is null, what am I doing wrong (how can I prevent further processing on the object to avoid the NullReferenceException)?
The Object.entries () method returns an array of a given object's own enumerable property [key, value] So you can iterate over the Object and have key and value for each of the object and get something like this.
How do I display the content of a JavaScript object in a string format like when we alert a variable? The same formatted way I want to display an object.
