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How do I find the length of an array?
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Doing sizeof( myArray ) will get you the total number of bytes allocated for that array. You can then find out the number of elements in the array by dividing by the size of one element in the array: sizeof( myArray[0] )
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Best database field type for a URL
...ax) for SQLServer2005
varchar(65535) for MySQL 5.0.3 and later
This will allocate storage as need and shouldn't affect performance.
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std::string length() and size() member functions
...having,
size==size of those bits,
In strings both are same if the editor allocates size of character is 1 byte
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How to Sort a List by a property in the object
...ory you are using is not an issue, this solution avoids unnecessary memory allocation which is EXTREMELY expensive. This option is just as simple codewise and an order of magnitude faster.
– Cdaragorn
Dec 14 '16 at 20:58
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What breaking changes are introduced in C++11?
...ing two templates.
In C++03, >> would always be the shift-operator token.
Allow dependent calls of functions with internal linkage.
Example by me:
static void f(int) { }
void f(long) { }
template<typename T>
void g(T t) { f(t); }
int main() { g(0); }
In C++03, this calls ...
How to start a Process as administrator mode in C# [duplicate]
...achines running Vista and Win7. The started program inherits the security token from the starter program. If the starter has acquired admin privileges, the started program has them as well.
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NodeJS: Saving a base64-encoded image to disk
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UPDATE
I found this interesting link how to solve your problem in PHP. I think you forgot to replace space by +as shown in the link.
I took this circle from http://images-mediawiki-sites.thefullwiki.org/04/1/7/5/6204600836255205.png as sample which looks like:
Next I put it through htt...
Meaning of tilde in Linux bash (not home directory)
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Tilde expansion in Bash:
http://bash-hackers.org/wiki/doku.php/syntax/expansion/tilde
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MySQL: Fastest way to count number of rows
...ach time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if inde...
When should I use std::thread::detach?
...'s a situation when using detach would be a less evil alternative to, say, allocating thread object with dynamic storage duration and then purposely leaking it.
#include <LegacyApi.hpp>
#include <thread>
auto LegacyApiThreadEntry(void)
{
auto result{NastyBlockingFunction()};
//...