大约有 44,000 项符合查询结果(耗时:0.0372秒) [XML]
Where is shared_ptr?
... am so frustrated right now after several hours trying to find where shared_ptr is located. None of the examples I see show complete code to include the headers for shared_ptr (and working). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all bu...
Impossible to Install PG gem on my mac with Mavericks
...e Application directory.
Then, specify the location of newly downloaded pg_config:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
If you run in to missing headers problem, try specifying the include directory of the app:
gem install pg -- -...
How to get the name of enumeration value in Swift?
...sion 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabinsk, Bursa
}
let city = City.Melbourne
print(city)
// print...
Get img thumbnails from Vimeo?
...ic video,
use the following url:
http://vimeo.com/api/v2/video/video_id.output
video_id The ID of the video you want information for.
output Specify the
output type. We currently offer JSON,
PHP, and XML formats.
So getting this URL http://vimeo.com/api/v2/video/6271487.xml
...
New features in java 7
...OutputStream(dest))
{
// code
}
Underscores in numeric literals
int one_million = 1_000_000;
Strings in switch
String s = ...
switch(s) {
case "quux":
processQuux(s);
// fall-through
case "foo":
case "bar":
processFooOrBar(s);
break;
case "baz":
processBaz(s);
...
How to Query an NTP Server using C#?
...on code (after testing and review of course).
– dodgy_coder
Sep 23 '14 at 5:33
2
Why I get LAN wi...
Base 64 encode and decode example code
...Charsets:
// Sending side
byte[] data = text.getBytes(StandardCharsets.UTF_8);
String base64 = Base64.encodeToString(data, Base64.DEFAULT);
// Receiving side
byte[] data = Base64.decode(base64, Base64.DEFAULT);
String text = new String(data, StandardCharsets.UTF_8);
...
How to write string literals in python without having to escape them?
...roduction.html#strings
and here:
http://docs.python.org/reference/lexical_analysis.html#literals
The simplest example would be using the 'r' prefix:
ss = r'Hello\nWorld'
print(ss)
Hello\nWorld
share
|
...
sizeof single struct member in C
...ic way to do it, another would be to use a macro like this:
#define member_size(type, member) sizeof(((type *)0)->member)
and use it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)...
C++ Dynamic Shared Library on Linux
...
myclass.h
#ifndef __MYCLASS_H__
#define __MYCLASS_H__
class MyClass
{
public:
MyClass();
/* use virtual otherwise linker will try to perform static linkage */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#inc...
