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Call a function from another file?
...need to add file.py while importing. Just write from file import function, and then call the function using function(a, b). The reason why this may not work, is because file is one of Python's core modules, so I suggest you change the name of your file.
Note that if you're trying to import function...
How to remove all the occurrences of a char in c++ string
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Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(str.begin(), str.end(), 'a'), str.end());
Or us...
How do I format a number with commas in T-SQL?
I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
How to check if a string in Python is in ASCII?
...answered Oct 13 '08 at 0:30
Alexander KojevnikovAlexander Kojevnikov
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When to use: Java 8+ interface default method, vs. abstract method
... a particular implementation's state. So the main use case is higher-level and convenience methods.
The good thing about this new feature is that, where before you were forced to use an abstract class for the convenience methods, thus constraining the implementor to single inheritance, now you can ...
Is it possible to get element from HashMap by its position?
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Use a LinkedHashMap and when you need to retrieve by position, convert the values into an ArrayList.
LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap<String,String>();
/* Populate */
linkedHashMap.put("key0","value0");...
GET URL parameter in PHP
...articular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you could (and should) ensure your code does not trigger notices with:
<?php
if (isse...
Detecting an “invalid date” Date instance in JavaScript
I'd like to tell the difference between valid and invalid date objects in JS, but couldn't figure out how:
46 Answers
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How do I update/upsert a document in Mongoose?
Perhaps it's the time, perhaps it's me drowning in sparse documentation and not being able to wrap my head around the concept of updating in Mongoose :)
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How do I copy the contents of one stream to another?
...s the best way to copy the contents of one stream to another? Is there a standard utility method for this?
13 Answers
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