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Why use def main()? [duplicate]
...hink I still have something else to add.
Reasons to have that if statement calling main() (in no particular order):
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for...
Difference between Convert.ToString() and .ToString()
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Calling ToString() on an object presumes that the object is not null (since an object needs to exist to call an instance method on it). Convert.ToString(obj) doesn't need to presume the object is not null (as it is a static m...
How to set time delay in javascript
... setInterval (other)
Both these methods have same signature. They take a call back function and delay time as parameter.
setTimeout executes only once after the delay whereas setInterval keeps on calling the callback function after every delay milisecs.
both these methods returns an integer iden...
Declare multiple module.exports in Node.js
...method = function() {};
exports.otherMethod = function() {};
Then in the calling script:
const myModule = require('./myModule.js');
const method = myModule.method;
const otherMethod = myModule.otherMethod;
// OR:
const {method, otherMethod} = require('./myModule.js');
...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
...orName("java.lang.String");
Class.forName("com.example.some.jdbc.driver") calls show up in legacy code that uses JDBC because that is the legacy way of loading a JDBC driver.
From The Java Tutorial:
In previous versions of JDBC, to obtain a connection, you first had to initialize your JDBC driver ...
How to redirect to Index from another controller?
... Ok this worked. I tried this earlier must of been a typo when I did it before.
– cjohnson2136
Oct 25 '11 at 16:05
2
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API vs. Webservice [closed]
...y assumed unless mentioned otherwise.
For examples of web services specifically, see SOAP, REST, and XML-RPC. For an example of another type of API, one written in C for use on a local machine, see the Linux Kernel API.
As far as the protocol goes, a Web service API almost always uses HTTP (hence ...
How can I count the occurrences of a list item?
... 1, 4, 1].count(1)
3
Don't use this if you want to count multiple items. Calling count in a loop requires a separate pass over the list for every count call, which can be catastrophic for performance. If you want to count all items, or even just multiple items, use Counter, as explained in the oth...
How to call a Python function from Node.js
...o have a machine learning algorithm to use in Python. Is there a way I can call Python functions from my Node.js application to make use of the power of machine learning libraries?
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Passing a string with spaces as a function argument in bash
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This works very well for me also. If we are calling another function inside myFunction then pass arguments with quotes. Cheers :)
– minhas23
May 8 '14 at 11:04
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