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What are the key differences between Scala and Groovy? [closed]
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Isn't immutability a key characteristic of Scala ? What about concurrency and actors ? Tell us some more...
– Leonel
Apr 9 '09 at 19:34
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Logical XOR operator in C++?
...rators (|| and &&) with your XOR. There are two important things about these operators: 1) they guarantee short-circuit evaluation, 2) they introduce a sequence point, 3) they evaluate their operands only once.
XOR evaluation, as you understand, cannot be short-circuited since the result al...
How can I generate an ObjectId with mongoose?
...Types.ObjectId();
id is a newly generated ObjectId.
You can read more about the Types object at Mongoose#Types documentation.
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String concatenation does not work in SQLite
...give you a response if one or both fields are null. Then you get to figure out what you want to do if both were null.
– Tom Cerul
Oct 6 '11 at 14:55
5
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How do you read a file into a list in Python? [duplicate]
... the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools.
8 Answ...
How can I get Express to output nicely formatted HTML?
When using Express for Node.js, I noticed that it outputs the HTML code without any newline characters or tabs. Though it may be more efficient to download, it's not very readable during development.
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#if Not Debug in c#?
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Just in case it helps someone else out, here is my answer.
This would not work right:
#if !DEBUG
// My stuff here
#endif
But this did work:
#if (DEBUG == false)
// My stuff here
#endif
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HTTP GET Request in Node.js Express
...rest::getJSON');
const port = options.port == 443 ? https : http;
let output = '';
const req = port.request(options, (res) => {
console.log(`${options.host} : ${res.statusCode}`);
res.setEncoding('utf8');
res.on('data', (chunk) => {
output += chunk;
});
res....
is there a post render callback for Angular JS directive?
...e the function after the DOM has completed rendering. So instead of setTimeout, use $timeout:
$timeout(function () {
//DOM has finished rendering
});
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how to exclude null values in array_agg like in string_agg using postgres?
... @Daud New version which could be cheaper. Take the explain output of both to be sure.
– Clodoaldo Neto
Oct 29 '12 at 17:34
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