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What does template mean?
...
It's perfectly possible to template a class on an integer rather than a type. We can assign the templated value to a variable, or otherwise manipulate it in a way we might with any other integer literal:
unsigned int x = N;
In fact, we can create algorithms which evaluat...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
I often see source code using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
...
C# Sort and OrderBy comparison
...am
{
class NameComparer : IComparer<string>
{
public int Compare(string x, string y)
{
return string.Compare(x, y, true);
}
}
class Person
{
public Person(string id, string name)
{
Id = id;
Name = ...
How does the static modifier affect this code?
...uctor, hence the value of num1 and num2 becomes 1.
And then, again, static int num2=0; will be executed, which makes num2 = 0;.
Now, suppose your constructor is like this:
private A(){
num1++;
num2++;
System.out.println(obj.toString());
}
This will throw a NullPointerException as ob...
Command line progress bar in Java
... - it goes back to the start of the same line.
So the thing to do is to print your progress bar, for example, by printing the string
"|======== |\r"
On the next tick of the progress bar, overwrite the same line with a longer bar. (because we are using \r, we stay on the same line) For ex...
grep a tab in UNIX
...le '\t' , literal TABs (i.e. the ones that look like whitespace) are often converted to SPC when copypasting ...
– plijnzaad
Mar 7 '17 at 11:39
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...这么一个接口（万幸，他至少把接口定义好了）：
FooInterface.h
#ifndef FOOINTERFACE_H_
#define FOOINTERFACE_H_
#include <string>
namespace seamless {
class FooInterface {
public:
virtual ~FooInterface() {}
public:
virtual std::string g...
Java code for getting current time [duplicate]
...a.time
ZonedDateTime zdt = ZonedDateTime.now();
If needed for old code, convert to java.util.Date. Go through at Instant which is a moment on the timeline in UTC.
java.util.Date date = java.util.Date.from( zdt.toInstant() );
Time Zone
Better to specify explicitly your desired/expected time zo...
Struct Constructor in C++?
...
struct TestStruct {
int id;
TestStruct() : id(42)
{
}
};
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Determine if two rectangles overlap each other?
...rd time visualizing why it works, I made an example page at silentmatt.com/intersection.html where you can drag rectangles around and see the comparisons.
– Matthew Crumley
Nov 20 '08 at 22:20
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