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mongodb group values by multiple fields
...));
log({ topaddr });
client.close();
} catch(e) {
console.error(e)
} finally {
process.exit()
}
})()
books.json
{ "addr": "address1", "book": "book1" }
{ "addr": "address2", "book": "book1" }
{ "addr": "address1", "book": "book5" }
{ "addr": "address3", "book": "boo...
AngularJS ui-router login authentication
...$http.get('/svc/account/identity',
// { ignoreErrors: true })
// .success(function(data) {
// _identity = data;
// _authenticated = true;
// deferred.resolve(_identity...
Reading output of a command into an array in Bash
... should be #!/bin/bash - if run as #!/bin/sh, bash will exit with a syntax error.
– Gene Pavlovsky
Apr 19 '16 at 20:37
1
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Method Resolution Order (MRO) in new-style classes?
... G
Did you get A B D C E F G?
x = A()
x.m()
After a lot of trial an error, I came up with an informal graph theory interpretation of C3 linearization as follows: (Someone please let me know if this is wrong.)
Consider this example:
class I(G):
def m(self):
print("I")
su...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...ol>(void)
Using of __PRETTY_FUNCTION__ triggers undeclared identifier error, as expected.
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Replacing .NET WebBrowser control with a better browser, like Chrome?
...his date, the above projects are not viable drop-in replacements. Compiler errors galore + instability. Awesomium, is complete and utter trash.
– Kraang Prime
Apr 1 '15 at 15:10
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How can I make setuptools install a package that's not on PyPI?
...ll complain with a Could not find a version that satisfies the requirement error and a list of all versions available on PyPI. Note that I'm trying to build my package with sdist, then installing it with pip install http://url/to/my/generated/tar.
– zazabe
Oct ...
stringstream, string, and char* conversion confusion
...; cstr1 // Prints correctly
<< cstr2; // No more error : cstr2 points to resultstr memory that is still alive as we used the const reference to keep it for a time.
system("PAUSE");
return 0;
}
That way you get the string for a longer time.
Now, you have to know...
What are the use cases for selecting CHAR over VARCHAR in SQL?
...oft Transact-SQL docs seem to say the opposite. I would suggest that is an error or at least the docs are unclear.
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Generate all permutations of a list without adjacent equal elements
...
@flornquake Good catch! It's the good-old off-by-one error I'm afraid. So, this approach is not optimal, as it may have 1 conflict too many.
– Vincent van der Weele
Aug 13 '14 at 14:31
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