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make_unique and perfect forwarding
...++ standardization committee, writes on his blog:
That C++11 doesn’t include make_unique is partly an oversight, and it will almost certainly be added in the future.
He also gives an implementation that is identical with the one given by the OP.
Edit: std::make_unique now is part of C++14.
...
“unpacking” a tuple to call a matching function pointer
... are a lot of other good things integrated into the library - particularly including std::apply and std::make_from_tuple, which would handle the unpacking and calling bits
– underscore_d
Oct 9 '16 at 14:22
...
Why use double indirection? or Why use pointers to pointers?
...e best data structures
Usage example with a very very very boring lol
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
while (*x) {
w += 1;
x++;
}
return w;
}
int wordsinmono(char ***x) {
...
Read/write files within a Linux kernel module
...er" and call VFS level functions instead of the syscall handler directly:
Includes:
#include <linux/fs.h>
#include <asm/segment.h>
#include <asm/uaccess.h>
#include <linux/buffer_head.h>
Opening a file (similar to open):
struct file *file_open(const char *path, int flags...
Is there an eval() function in Java? [duplicate]
...no standard Java class or method that will do what you want. Your options include:
Select and use some third-party expression evaluation library. For example JEL or any of the half dozen libraries listed here.
Wrap the expression in the Java source code for a class with an eval method, send that...
Can I call a base class's virtual function if I'm overriding it?
...with mentioning base class name(like Foo::printStuff()).
code goes here
#include <iostream>
using namespace std;
class Foo
{
public:
int x;
virtual void printStuff()
{
cout<<"Base Foo printStuff called"<<endl;
}
};
class Bar : public Foo
{
public:
...
Current time formatting with Javascript
... id="time"></span>
I have a date format function I like to include in my standard library. It takes a format string parameter that defines the desired output. The format strings are loosely based on .Net custom Date and Time format strings. For the format you specified the followi...
javascript set a variable if undefined
...
I'm surprised this pattern isn't included in more JS libs.
– joemaller
Feb 15 '13 at 19:25
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How do you turn a Mongoose document into a plain object?
... doc.toObject() like this
doc.toObject({ getters: true })
other options include:
getters: apply all getters (path and virtual getters)
virtuals: apply virtual getters (can override getters option)
minimize: remove empty objects (defaults to true)
transform: a transform function to apply to the ...
Changing overflow icon in the action bar
...
@DaMachk If you're using AppCompat, then don't include the "android:" namespace.
– matiash
May 26 '15 at 16:23
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