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How to test multiple variables against a value?
...inverse; testing multiple values against a single variable; x == 1 or 2 or 3 would fail for the same reasons. Use x == 1 or x == 2 or x == 3 or x in {1, 2, 3}.
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What does auto&& tell us?
...n. So here's a contrived example:
std::vector<int> global_vec{1, 2, 3, 4};
template <typename T>
T get_vector()
{
return global_vec;
}
template <typename T>
void foo()
{
auto&& vec = get_vector<T>();
auto i = std::begin(vec);
(*i)++;
std::cout << ve...
Can gcc output C code after preprocessing?
... Gray
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answered Feb 4 '11 at 17:19
mipadimipadi
344k7777 gold ba...
Mongoose subdocuments vs nested schema
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73
According to the docs, it's exactly the same.
However, using a Schema would add an _id field as ...
node and Error: EMFILE, too many open files
...PE DEVICE SIZE/OFF NODE NAME
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nodejs 12211 root 1012u IPv4 151317015 0t0 TCP 10.101.42.209:40371->54.236.3.170:80 (ESTABLISHED)
nodejs 12211 root 1013u IPv4 151279902 0t0 TCP 10.101.42.209:43656->54.236.3.172:80 (ESTABLISHED)
nodejs 12211 root 1014u IPv4 ...
IDEA: javac: source release 1.7 requires target release 1.7
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edited Apr 30 '17 at 22:40
answered Oct 15 '12 at 17:26
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How can I print variable and string on same line in Python?
...ding, fill, alignment,width, set precision etc
>>> print "{:d} {:03d} {:>20f}".format(1,2,1.1)
1 002 1.100000
^^^
0's padded to 2
Demo:
>>> births = 4
>>> print "If there was a birth every 7 seconds, there would be: ",births,"births"
If there was a birt...
sqlite3-ruby install error on Ubuntu
I have the following error during sqlite3-ruby install:
19 Answers
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How to use gradle zip in local system without downloading when using gradle-wrapper
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This is a big deal if you need to send software to somebody who doesn't have Internet access. Yes, that's something that really happens; th...
How do you debug PHP scripts? [closed]
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30 Answers
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