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How do you make a HTTP request with C++?
...>
#include <sstream>
using namespace std;
#pragma comment(lib,"ws2_32.lib")
int main( void ){
WSADATA wsaData;
SOCKET Socket;
SOCKADDR_IN SockAddr;
int lineCount=0;
int rowCount=0;
struct hostent *host;
locale local;
char buffer[10000];
int i = 0 ;
int nDataLength;
string website_HTML;...
Reset auto increment counter in postgres
... column, then the sequence is not simply called product, but rather product_id_seq (that is, ${table}_${column}_seq).
This is the ALTER SEQUENCE command you need:
ALTER SEQUENCE product_id_seq RESTART WITH 1453
You can see the sequences in your database using the \ds command in psql. If you do \...
Detect encoding and make everything UTF-8
...
If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It c...
Get current time as formatted string in Go?
...4:05 MST 2006"
userTimeString := "Fri Dec 6 13:05:05 CET 2019"
t, _ := time.Parse(layout, userTimeString)
fmt.Println("Server: ", t.Format(time.RFC850))
//Server: Friday, 06-Dec-19 13:05:05 CET
mumbai, _ := time.LoadLocation("Asia/Kolkata")
mumbaiTime := t.In(mumbai)
f...
Hidden Features of MySQL
...he SQL queries to guide MySQL to execute them faster.
Administration:
max_connections is the number of concurrent connections. The default value is 100 connections (151 since 5.0) - very small.
Note:
connections take memory and your OS might not be able to handle a lot of connections.
MySQL b...
How to pass parameters in GET requests with jQuery
...ndle error
}
});
And you can get the data by (if you are using PHP)
$_GET['ajaxid'] //gives 4
$_GET['UserID'] //gives you the sent userid
In aspx, I believe it is (might be wrong)
Request.QueryString["ajaxid"].ToString();
...
Setting variable to NULL after free
... only not best practice, it's wrong. For example: foo* bar=getFoo(); /*more_code*/ free(bar); /*more_code*/ return bar != NULL;. Here, setting bar to NULL after the call to free will cause the function to think it never had a bar and return the wrong value!
– David Schwartz
...
How to create composite primary key in SQL Server 2008
...
create table my_table (
column_a integer not null,
column_b integer not null,
column_c varchar(50),
primary key (column_a, column_b)
);
share
...
How to return an array from JNI to Java?
...ode is going to look something like this:
JNIEXPORT jintArray JNICALL Java_ArrayTest_initIntArray(JNIEnv *env, jclass cls, int size)
{
jintArray result;
result = (*env)->NewIntArray(env, size);
if (result == NULL) {
return NULL; /* out of memory error thrown */
}
int i;
// fill a temp...
Why does the 260 character path length limit exist in Windows?
...iscussed in the following paragraphs), the maximum length for a path is MAX_PATH, which is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximu...