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Rails: Adding an index after adding column
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answered Apr 8 '13 at 14:31
Jaap HaagmansJaap Haagmans
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How to write asynchronous functions for Node.js
...lback(val);
});
};
The above function when called as
async_function(42, function(val) {
console.log(val)
});
console.log(43);
Will print 42 to the console asynchronously. In particular process.nextTick fires after the current eventloop callstack is empty. That call stack is empty after as...
String.format() to format double in java
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answered Feb 3 '11 at 11:04
David TangDavid Tang
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When to use std::forward to forward arguments?
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124
Use it like your first example:
template <typename T> void f(T && x)
{
g(std::f...
Split comma-separated strings in a column into separate rows
...es.
For smaller data frames, Matt's base R solution and data.table method 4 seem to have less overhead than the other methods.
Code
director <-
c("Aaron Blaise,Bob Walker", "Akira Kurosawa", "Alan J. Pakula",
"Alan Parker", "Alejandro Amenabar", "Alejandro Gonzalez Inarritu",
"Ale...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
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edited Sep 11 '16 at 9:49
Joakim
9,28388 gold badges4040 silver badges4848 bronze badges
answered Jan...
Call to getLayoutInflater() in places not in activity
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400
You can use this outside activities - all you need is to provide a Context:
LayoutInflater in...
Display current date and time without punctuation
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answered Dec 12 '13 at 18:41
janosjanos
105k1919 gold badges183183 silver badges202202 bronze badges
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Creating NSData from NSString in Swift
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answered Jun 4 '14 at 14:16
Gabriele PetronellaGabriele Petronella
99.8k2020 gold badges198198 silver badges222222 bronze badges
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Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
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148
The System.out.println(cal_Two.getTime()) invocation returns a Date from getTime(). It is the D...