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Questions tagged [syntax]
Syntax refers to the actual language elements and symbols themselves. Questions should be tagged as syntax when the question specifically and almost completely relates to syntax alone. This tag should be used with a specific language tag
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Understanding 'strictness' in regex grammar
In writing a grammar/parser for a regex, I'm wondering why the following constructions are both syntactically and semantically valid in the regex syntax (at least as far as I can understand it)? ...
- 104k
0 votes
0 answers
26 views
Syntax highlighting is not working in ViewVC
Seems like i cannot run the colorization on my ViewVC server. In viewvc.conf i got the following option enabled: [options] detect_encoding = 1 enable_syntax_coloration = 1 default_file_view = markup ...
- 15
1 vote
0 answers
34 views
TypeScript syntax for creating resources
apologies for the basic question. I'm new to TypeScript and want to know if there is any difference between the following code snippets: .... some code above ... const variable = myLibrary....
- 11
-1 votes
1 answer
46 views
(Python) Why am I getting a syntax error on my variable? [closed]
For some reason I'm getting a syntax error on my variable name (line 16)
- 1
How does an empty regular expression evaluate?
For doing something like the following: select regexp_matches('X', ''); Is a regular expression of an empty-string defined behavior? If so, how does it normally work? In other words, which of the ...
- 104k
5 votes
2 answers
113 views
Why does println! inline variable syntax look inconsistent?
let a = [10, 20, 30, 40, 50]; let mut index_ = 0; while index_ < 5 { println!("{}", a[index_]); // works println!("{a[index_]}"); // does not work println!("{...
- 59
What's the benefit of 3-ways comparison operator (<=>) in C++20?
I know the syntax of it. I just wondering what's the benefit or whether does it make sens. Without it, we must code like this: void func1(int x, int y) { if( x > y ) doSomeThing(); ...
- 1,256
0 votes
0 answers
34 views
Test the difference in PROVISION
I have a dataset which includes data of countries BELGIUM and Netherlands. I need to perform the t test, however I receive the following error SyntaxError: invalid syntax. Hope that somebody can help ...
- 11
-4 votes
0 answers
41 views
Any expert knowledgeable in C++ so able to change an operator [closed]
Anyone very knowledgeable in C++ know how, and able to change an operator character ? e.g. a != b become a =| b What the actually really wanted or asked is the constructor initialization e.g. class ...
- 1
-1 votes
1 answer
32 views
Syntax error, File "program.py", line 13 def calc_stats('data.csv'): please help me I am trying to open csv file in python for a course
import numpy as np def calc_stats('data.csv'): data = np.loadtxt('data.csv', delimiter=',') mean = np.mean(data) median = np.median(data) return np.round(mean, 1), np.round(median, 1) ...
- 1
What does "|_|" mean in Rust?
I am learning how to connect database to Rust program. There something I don't quite understand: PgConnection::establish(&database_url).unwrap_or_else(|_| panic!("Error connecting to {}",...
- 43
-3 votes
1 answer
44 views
Syntax Error When Using If, Elif, and Else Statements Within Another If Statement
I have been working on a section of code that requires a number of variables to not equal 0, otherwise the code must be run differently. When I tried the below format, it returned elif y3 != 0: with ^^...
- 1
0 votes
0 answers
83 views
oracle: how can i update or insert
i have this create or replace PROCEDURE NUEVO_SEGURIDAD_SOCIAL (d_REGIONAL IN SEGURIDAD_SOCIAL.REGIONAL%TYPE, d_NOMBRE_TRABAJADOR IN SEGURIDAD_SOCIAL.NOMBRE_TRABAJADOR%TYPE , d_ESTADO IN ...
- 1
How can I drag down to multiple rows a formula which has more than 1 row in its result?
I have an extension I am getting the data from, and I am referring to that extension in a formula with result of pre determined rows but I want more than 1 row in its result and that's when I have ...
- 61
What is this python tuple-like syntax in Javascript actually doing?
What is going on in this Javascript code? Is there a name for this or some place to learn more about the specific behavior illustrated? I didn't think coding a "tuple" in JS would be valid ...
- 46.2k
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