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How is the 'use strict' statement interpreted in Node.js? [duplicate]
I have started to explore the Node.js and wrote many demo web application, to understand the flow of Node.js, Express.js, jade, etc..
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Why do I get “'property cannot be assigned” when sending an SMTP email?
I can't understand why this code is not working. I get an error saying property can not be assigned
17 Answers
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Java's final vs. C++'s const
...even in Java: a has already been assigned a value.
}
}
In both Java and C++ member variables may be final/const respectively. These need to be given a value by the time an instance of the class is finished being constructed.
In Java they must be set before the constructor has finished, this ...
grep, but only certain file extensions
...ant.
To take the explanation from HoldOffHunger's answer below:
grep: command
-r: recursively
-i: ignore-case
-n: each output line is preceded by its relative line number in the file
--include \*.cpp: all *.cpp: C++ files (escape with \ just in case you have a directory with asterisks in the fi...
How to add hyperlink in JLabel?
... to style a JButton. That way, you don't have to worry about accessibility and can just fire events using an ActionListener.
public static void main(String[] args) throws URISyntaxException {
final URI uri = new URI("http://java.sun.com");
class OpenUrlAction implements ActionListener {
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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PHP append one array to another (not array_push or +)
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actually, this is the most elegant and efficient way. thanks
– Hassan Ali Salem
Nov 12 '19 at 8:39
add a comment
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Get operating system info
...ing system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
7 Answers
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Setting table row height
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I don't understand why this has so many votes, it doesn't resolve the problem. It only works if you only have 1 line of text in the tr. This solution sets the line height, not the tr height.
– BenR
Jun...
What Automatic Resource Management alternatives exist for Scala?
...tending the design pattern - taking inspiration from python with statement and addressing:
statements to run before the block
re-throwing exception depending on the managed resource
handling two resources with one single using statement
resource-specific handling by providing an implicit conversi...