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What is meant by immutable?
...ssues with objects that never change
e.g.
class Foo
{
private final String myvar;
public Foo(final String initialValue)
{
this.myvar = initialValue;
}
public String getValue()
{
return this.myvar;
}
}
Foo doesn't have to worry that the calle...
urllib2.HTTPError: HTTP Error 403: Forbidden
...t some sites (including Wikipedia) block on common non-browser user agents strings, like the "Python-urllib/x.y" sent by Python's libraries. Even a plain "Mozilla" or "Opera" is usually enough to bypass that. This doesn't apply to the original question, of course, but it's still useful to know.
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
In C#, I want to initialize a string value with an empty string.
30 Answers
30
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dropping infinite values from dataframes in pandas?
... I guess!? Probably you try to process a column the unsupported types like strings
– Markus Dutschke
22 hours ago
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What's the rationale for null terminated strings?
...and C++, I can't help but scratch my head at the choice of null terminated strings:
18 Answers
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Reverse a string in Python
... - by leaving begin and end off and specifying a step of -1, it reverses a string.
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Build the full path filename in Python
...uild the file path from a directory name, base filename, and a file format string?
4 Answers
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What is the proper declaration of main?
...lly named argc and argv, respectively. argv is a pointer to an array of C strings representing the arguments to the program. argc is the number of arguments in the argv array.
Usually, argv[0] contains the name of the program, but this is not always the case. argv[argc] is guaranteed to be a nu...
String vs. StringBuilder
I understand the difference between String and StringBuilder ( StringBuilder being mutable) but is there a large performance difference between the two?
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What exactly do “u” and “r” string flags do, and what are raw string literals?
While asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks.
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