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C/C++ Struct vs Class
... examples given:
struct Pair { // the members can vary independently
string name;
int volume;
};
// but
class Date {
public:
// validate that {yy, mm, dd} is a valid date and initialize
Date(int yy, Month mm, char dd);
// ...
private:
int y;
Month m;
char d; //...
BigDecimal - to use new or valueOf
...don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in to instantiate the BigDecimal object. In other words: The value of the BigDecimal object will be what you see when you do System.out.println(d).
If you use new BigDecimal(d...
Disable browser's back button
...oment and removes it again. BTW - it doesn't have to be "1", it can be any string.
– Yossi Shasho
Nov 29 '11 at 12:35
2
...
What’s the best RESTful method to return total number of items in an object?
...he convention of prefixing the names of unstandardized parameters with the string X-.
– JDawg
Feb 5 '19 at 17:38
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Exception 'open failed: EACCES (Permission denied)' on Android
...ions
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE
};
/**
* Checks if the app has permission to write to device storage
*
* If the app do...
Python + Django page redirect
...manentRedirect('/nice-link')),
)
A target can be a callable as well as a string, which is what I'm using here.
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Checking if a SQL Server login already exists
...
Why was it necessary to create a statement as a string and then use sp_executesql, rather than just directly entering CREATE LOGIN [@loginName] FROM ...? Pardon my ignorance, I'd like to learn...
– LarsH
May 8 '13 at 15:10
...
How to get TimeZone from android mobile?
...ran , Iran in winter and "4.5" (4:30') for summer .
I also needed it as a string so I could post it to a server so you may not need the last line.
for getting currect time zone :
TimeZone tz = TimeZone.getDefault();
Date now = new Date();
//Import part : x.0 for double number
double offsetFromUtc...
Thread pooling in C++11
... func();
}
}
main.cpp
#include "function_pool.h"
#include <string>
#include <iostream>
#include <mutex>
#include <functional>
#include <thread>
#include <vector>
Function_pool func_pool;
class quit_worker_exception : public std::exception {};
void ...
PHP Constants Containing Arrays?
...
You can store it as a JSON string in a constant. And application point of view, JSON can be useful in other cases.
define ("FRUITS", json_encode(array ("apple", "cherry", "banana")));
$fruits = json_decode (FRUITS);
var_dump($fruits);
...