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Truncating all tables in a Postgres database
...ote: Since table names are not unique per database, you have to schema-qualify table names to be sure. Also, I limit the function to the default schema 'public'. Adapt to your needs, but be sure to exclude the system schemas pg_* and information_schema.
Be very careful with these functions. They nu...
How to get the Power of some Integer in Swift language?
I'm learning swift recently, but I have a basic problem that can't find an answer
20 Answers
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Using jquery to get element's position relative to viewport
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The dimensions plugin is now a part of jQuery core. The ViewPort plugin can also be useful: appelsiini.net/projects/viewport
– StriplingWarrior
Jun 3 '11 at 18:38
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What is the difference between char s[] and char *s?
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The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = ...
How to exit from Python without traceback?
...t Exception:
traceback.print_exc(file=sys.stdout)
sys.exit(0)
if __name__ == "__main__":
main()
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how to detect search engine bots with php?
...ectory of Spider names
Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider.
if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot"))
{
// what to do
}
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insert multiple rows via a php array into mysql
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Multiple insert/ batch insert is now supported by codeigniter. I had same problem. Though it is very late for answering question, it will help somebody. That's why answering this question.
$data = array(
array(
'title' => 'My title' ,
'nam...
How do I write a short literal in C++?
.... I would guess that the compiler would be smart enough to compile this as if it's a short literal (i.e. it wouldn't actually allocate an int and then cast it every time).
The following illustrates how much you should worry about this:
a = 2L;
b = 2.0;
c = (short)2;
d = '\2';
Compile -> disa...
How to serve an image using nodejs
I have a logo that is residing at the public/images/logo.gif . Here is my nodejs code.
11 Answers
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Patterns for handling batch operations in REST web services?
...into batches and then post them to the server periodically.
The object, if I remember correctly, essentially just held an array of "commands" -- e.g., to extend your example, each one a record containing a "markAsRead" command, a "messageId" and maybe a reference to a callback/handler function --...