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How to show particular image as thumbnail while implementing share on Facebook?
...mage" content="http://siim.lepisk.com/wp-content/uploads/2011/01/siim-blog-fb.png" />
Source: Facebook Share
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Turn a simple socket into an SSL socket
..., newsockfd;
SSL_CTX *sslctx;
SSL *cSSL;
InitializeSSL();
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd< 0)
{
//Log and Error
return;
}
struct sockaddr_in saiServerAddress;
bzero((char *) &saiServerAddress, sizeof(saiServerAddress));
saiServerAddress.sin_family = AF_INET;
saiS...
What is the difference between “git init” and “git init --bare”?
...which can now only be referenced directly by your hash with a git checkout 7fa897b7 command. That is why its tree does not have its modified structure.
IN BRIEF: Commits are never dropped in working-tree repositories, but are deleted in bare repositories.
In practical terms, you can only recover a...
Parse JSON in JavaScript? [duplicate]
...nction (json) {
alert(json.result);
$.each(json.list, function (i, fb) {
alert(fb.result);
});
});
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Access denied for user 'test'@'localhost' (using password: YES) except root user
...not grant all privileges over all databases to a non-root user, it is not safe (and you already have "root" with that role)
GRANT <privileges> ON database.* TO 'user'@'localhost' IDENTIFIED BY 'password';
This statement creates a new user and grants selected privileges to it.
I.E.:
GRANT I...
Explaining Python's '__enter__' and '__exit__'
...nother terminal / python interpreter
>>> s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>>> s.listen(5)
>>> s.bind((socket.gethostname(), 999))
>>> while True:
>>> (clientsocket, addr) = s.accept()
>>> print('get connection from %r' ...
JavaScript click event listener on class
...) {
// handle class event
}
});
Fiddle: https://jsfiddle.net/u6oje7af/94/
This will listen for clicks on children of the base element and if the target of a click has a parent matching the selector, the class event will be handled. You can add and remove elements as you like without having ...
Facebook Open Graph not clearing cache
...o to http://developers.facebook.com/tools/debug
Enter the URL following by fbrefresh=CAN_BE_ANYTHING
Examples:
http://www.example.com?fbrefresh=CAN_BE_ANYTHING
http://www.example.com?postid=1234&fbrefresh=CAN_BE_ANYTHING
OR visit:
http://developers.facebook.com/tools/debug/og/object?q=http:/...
How can I get Docker Linux container information from within the container itself?
...tainer similar way as outlined in banyan answer:
GET /containers/4abbef615af7/json HTTP/1.1
Response:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Id": "4abbef615af7...... ",
"Created": "2013.....",
...
}
Alternatively, you can transfer docker id to the contai...
How can I undo git reset --hard HEAD~1?
...it back so long as it's been within a few days. git only garbage collects after about a month or so unless you explicitly tell it to remove newer blobs.
$ git init
Initialized empty Git repository in .git/
$ echo "testing reset" > file1
$ git add file1
$ git commit -m 'added file1'
Created ini...