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What does the “@” symbol do in Powershell?
...l V2, @ is also the Splat operator.
PS> # First use it to create a hashtable of parameters:
PS> $params = @{path = "c:\temp"; Recurse= $true}
PS> # Then use it to SPLAT the parameters - which is to say to expand a hash table
PS> # into a set of command line parameters.
PS> dir @para...
Adding an onclick function to go to url in JavaScript?
... 2) want to wait until it completely loads 3) so that, that web page has a table from which I need to extract all the rows. I can able to perform step 1 and if I am on already loaded website then in console I am able to extract table rows (in javascript code). But, when I am trying to write code se...
What's the difference between using INDEX vs KEY in MySQL?
...
There's no difference. They are synonyms.
From the CREATE TABLE manual entry:
KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can
also be specified as just KEY when given in a column definition. This was
implemented for compatibility with other database sy...
Why was the switch statement designed to need a break?
...c is just a clean interface to standard assembly idioms. When writing jump table driven flow control, the programmer has the choice of falling through or jumping out of the "control structure", and a jump out requires an explicit instruction.
So, c does the same thing...
...
How to migrate back from initial migration in Django 1.7?
...pp> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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Can I bind an array to an IN() condition?
...'));
$db = new PDO(...);
$stmt = $db->prepare(
'SELECT *
FROM table
WHERE id IN(' . $inQuery . ')'
);
// bindvalue is 1-indexed, so $k+1
foreach ($ids as $k => $id)
$stmt->bindValue(($k+1), $id);
$stmt->execute();
?>
fix: dan, you were right. fixed the code (did...
How to best display in Terminal a MySQL SELECT returning too many fields?
...erminate the query with \G in place of ;. For example:
SELECT * FROM sometable\G
This query displays the rows vertically, like this:
*************************** 1. row ***************************
Host: localhost
Db: mydatabase1
User: myuser1
...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...mise that's probably not needed for speed reasons and probably also not suitable for accuracy reasons.
One other thing I'll add is that even if you know your application only supports the English language, it may still need to deal with people's names, which can often contain characters used in othe...
Django Passing Custom Form Parameters to Formset
...rms as {{ form }} I get the error again. If I loop and print as {{ form.as_table }} for example, I get empty form tables, ie. no fields are printed. Any ideas?
– Paolo Bergantino
Apr 19 '09 at 7:01
...
Sanitizing strings to make them URL and filename safe?
...d". The definition of letters and digits is controlled by PCRE's character tables, and may vary if locale-specific matching is taking place. For example, in the "fr" (French) locale, some character codes greater than 128 are used for accented letters, and these are matched by \w.
Creating the s...