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“unrecognized import path” with go get
... DNS is polluted. First go to http://ping.eu/nslookup/ to find the correct IP of the domain, set that into hosts file, then use a proxy to download.export http_proxy=127.0.0.1:1080 https_proxy=127.0.0.1:1080 Sometimes you just want to say the F word to the Gov
– Mr.Wang from ...
Can lambda functions be templated?
...n a templated class or function.
#include <iostream>
#include <string>
using namespace std;
template<typename T>
void boring_template_fn(T t){
auto identity = [](decltype(t) t){ return t;};
std::cout << identity(t) << std::endl;
}
int main(int argc, char *...
How do I specify new lines on Python, when writing on files?
In comparison to Java (in a string), you would do something like "First Line\r\nSecond Line" .
13 Answers
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Regular expression to allow spaces between words
...f the following cases that one would not usually mean to match:
An empty string, "".
A string comprised entirely of spaces, " ".
A string that leads and / or trails with spaces, " Hello World ".
A string that contains multiple spaces in between words, "Hello World".
Origi...
How to test if parameters exist in rails
...te:
Not there at all.
There but nil.
There but false.
There but an empty string.
as well. Hard to say without more details of your precise situation.
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Rank function in MySQL
...arate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO person VALUES (1, 'Bob', 25, 'M');
INSERT INTO person VALUES (2, 'Jane', 20, 'F');
INSERT INTO person VALUES (3, 'Jack', 30, 'M');
INSERT INTO person VALUES (4, 'Bill', 32, 'M'...
How to enable mod_rewrite for Apache 2.2
... All' it should work. The VirtualHosts file applies if you are running multiple domain names to the same server (and IP address). You would have set it up to set up the domain.
– Jason Preston
Mar 11 '14 at 6:33
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Purpose of Unions in C and C++
...he union is actually used:
struct VAROBJECT
{
enum o_t { Int, Double, String } objectType;
union
{
int intValue;
double dblValue;
char *strValue;
} value;
} object;
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Proper way to declare custom exceptions in modern Python?
...er standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
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Base64 encoding and decoding in client-side Javascript
... there any methods in JavaScript that could be used to encode and decode a string using base64 encoding?
13 Answers
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