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How to convert an IPv4 address into a integer in C#?
...igned 32-bit value of the IPv4 address (the catch is, it's in network byte order, so you need to swap it around).
For example, my local google.com is at 64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least ...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
... you can do something like this:
INSERT INTO course_payment
SELECT NULL, order_id, payment_gateway, total_amt, charge_amt, refund_amt, NOW()
FROM orders ORDER BY order_id DESC LIMIT 10;
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uncaught syntaxerror unexpected token U JSON
... parse the string as
var body={
"id": 1,
"deleted_at": null,
"open_order": {
"id": 16,
"status": "open"}
var jsonBody = JSON.parse(body.open_order); //HERE THE ERROR NOW APPEARS BECAUSE THE STRING IS NOT A JSON OBJECT YET!!!!
//TODO SO
var jsonBody=JSON.parse(body)//PASS THE BODY F...
How to assert two list contain the same elements in Python? [duplicate]
... to assert that two list contain the same elements without regard to their order.
5 Answers
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...s source code, and then you won't need to augment the CMAKE_MODULE_PATH in order to find the subproject at the system level.
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
...alled, your app will hang. In this case (a) some serious refactoring is in order, and (b) as a temporary hack you can wait like this:
bool wait = true;
ThreadPool.QueueUserWorkItem ((state) =>
{
//do asynch stuff
wait = false;
});
while (wait) Thread.Sleep(100);
...
What are Aggregates and PODs and how/why are they special?
...f the array elements we will initialize the non-static data members in the order of their appearance in the class definition (they are all public by definition). If there are fewer initializers than members, the rest are value-initialized. If it is impossible to value-initialize one of the members w...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...（在线执行）：
#include <atomic>
#include <memory>
#include <unordered_set>
template <class T>
struct HazardPointer {
public:
class Holder {
public:
explicit Holder(HazardPointer<T> *pointer) : pointer_(pointer) {}
Holder(const HazardPointer &) = delete;
~Hold...
How can I convert byte size into a human-readable format in Java?
...lues in base 2 (devided by 1024) but with common prefix. Not KiB, MiB, GiB etc. Use KB, MB, GB, TB for it.
– Borys
May 23 '13 at 13:33
30
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE #counts
The output will be a list of tables and their row counts.
If you just want the total row count across the whole database, appending:
SELECT SUM(row_count) AS total_ro...