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JMS Topic vs Queues
I was wondering what is the difference between a JMS Queue and JMS Topic.
9 Answers
9
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How to append a newline to StringBuilder
...erlying operating system, otherwise use '\n'.
– tuscland
Jun 2 '15 at 7:05
2
@tuscland - Why not ...
What is the difference between LL and LR parsing?
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At a high level, the difference between LL parsing and LR parsing is that LL parsers begin at the start symbol and try to apply productions to arrive at the target string, whereas LR parsers begin at the target string and try to arrive back at the start symbol.
An LL parse i...
How to initialize HashSet values by construction?
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There is a shorthand that I use that is not very time efficient, but fits on a single line:
Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
Again, this is not time efficient since you are constructing an array, converti...
When to use IMG vs. CSS background-image?
...TML IMG tag to display an image, as opposed to a CSS background-image , and vice-versa?
31 Answers
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Google Sheets API Setup · App Inventor 2 中文网
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Note: If you are only going to read from the Google Sheets document, and not
edit or write data to the document, you can skip the process of making a Service
Account. The only requirement is that the Google Sheets document is shared such
that anyone with the link can read the document.
Create...
What is the difference between the dot (.) operator and -> in C++? [duplicate]
What is the difference between the dot (.) operator and -> in C++?
14 Answers
14
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php implode (101) with quotes
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@mcgrailm: Maybe, I suggest you make a benchmark and find out ;)
– Felix Kling
May 23 '11 at 20:23
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Difference between Convert.ToString() and .ToString()
What is the difference between Convert.ToString() and .ToString() ?
19 Answers
19
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How can I check if a URL exists via PHP?
...t Found') {
$exists = false;
}
else {
$exists = true;
}
From here and right below the above post, there's a curl solution:
function url_exists($url) {
return curl_init($url) !== false;
}
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