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Input from the keyboard in command line application
...get strange characters if the user deletes a character, uses an arrow key, etc. AAAGGGGGHHHH WHY, Swift, Why?
– ybakos
Apr 15 '15 at 21:37
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What is the difference between server side cookie and client side cookie?
...n data, user preferences, the content of a chart in an e-commerce website, etc...
Pros and Cons
Below pros and cons of the solutions. These are the first that comes to my mind, there are surely others.
Cookie Pros:
scalability: all the data is stored in the browser so each request can go throug...
how to find host name from IP with out login to the host
...ch use names to identify hosts including DNS, DHCP, LDAP (DN's), hostname, etc. and many systems use zeroconf to synchronize names between multiple naming systems. For this reason, results from hostname will sometimes match results from dig (see below) or other naming systems, but often times they w...
Counting the occurrences / frequency of array elements
...different objects is just gonna tell you there's a lot of [object Object]. Etc. etc.
– Jimbo Jonny
Feb 5 at 9:51
How c...
Execute code when Django starts ONCE only?
...but that is because runserver has some tricks to validate the models first etc ... normal deployments or even when runserver auto reloads, this is only executed once.
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Calling a static method on a generic type parameter
... someParent
{
List<T> items=(List<T>)typeof(T).GetMethod("fetchAll").Invoke(null,new object[]{});
//do something with items
}
Where T is any class that has the static method fetchAll().
Yes, I'm aware this is horrifically slow and may crash if someParent doesn't force all of i...
Import CSV to mysql table
...irst row to create the column headings
$fp = fopen($file, 'r');
$frow = fgetcsv($fp);
foreach($frow as $column) {
if($columns) $columns .= ', ';
$columns .= "`$column` varchar(250)";
}
$create = "create table if not exists $table ($columns);";
mysql_query($create, $db);
/****************...
Insert into … values ( SELECT … FROM … )
...Int, someVarChar )
SELECT table2.column1, table2.column2, 8, 'some string etc.'
FROM table2
WHERE table2.ID = 7;
I've only used this syntax with Access, SQL 2000/2005/Express, MySQL, and PostgreSQL, so those should be covered. It should also work with SQLite3.
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How to check whether a string is a valid HTTP URL?
...and Uri.TryCreate methods, but they seem to return true for file paths etc.
9 Answers
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Get escaped URL parameter
...r information from the URL, like the port specified, or the path, protocol etc:
var url = $.url('http://allmarkedup.com/folder/dir/index.html?item=value');
url.attr('protocol'); // returns 'http'
url.attr('path'); // returns '/folder/dir/index.html'
It has other features as well, check out its ho...