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Hidden features of Windows batch files
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I was looking for this last week! (couldn't remember the character)
– chilltemp
Nov 11 '08 at 22:14
21
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How to customize user profile when using django-allauth
...u ask for first/last name as in the example above, then you do not need an extra model and can place things directly into the User model. If you would ask for the user's birthdate, his favorite color or whatever, then you need to setup your own profile model for this. Please have a look here on how ...
Is there any difference between a GUID and a UUID?
... way as a UUID. For example, the RSS specification defines GUIDs to be any string of your choosing, as long as it's unique, with an "isPermalink" attribute to specify that the value you're using is just a permalink back to the item being syndicated.
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How to avoid isset() and empty()
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Just write a function for that. Something like:
function get_string($array, $index, $default = null) {
if (isset($array[$index]) && strlen($value = trim($array[$index])) > 0) {
return get_magic_quotes_gpc() ? stripslashes($value) : $value;
} else {
re...
Becoming better at Vim [closed]
...nsciously use it as a navigation tool. The searches [/, ?] and the inline char based searc
Django select only rows with duplicate field values
...ne these into a single query:
Literal.objects.filter(name__in=dups)
The extra call to .values('name') after the annotate call looks a little strange. Without this, the subquery fails. The extra values tricks the ORM into only selecting the name column for the subquery.
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“tag already exists in the remote" error after recreating the git tag
...lete push.
The remote may or may not allow tag deletion (depending on any extra hooks added). If it allows the deletion, then the tag will be gone, and a second git push --tags, when you have a local dev tag pointing to some commit or annotated tag repo object, send your new dev tag. On the remot...
How does Haskell printf work?
...t is in the types anyway.
class PrintfType r
printf :: PrintfType r => String -> r
So printf has an overloaded return type. In the trivial case, we have no extra arguments, so we need to be able to instantiate r to IO (). For this, we have the instance
instance PrintfType (IO ())
Next, i...
href=“tel:” and mobile numbers
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Maybe the solution involves escape characters of some sort? or unicode chars to express individual characters?
– Tropicalrambler
Jul 8 at 23:04
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What is the most accurate way to retrieve a user's correct IP address in PHP?
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We use:
/**
* Get the customer's IP address.
*
* @return string
*/
public function getIpAddress() {
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
return $_SERVER['HTTP_CLIENT_IP'];
} else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode(',', $_SER...
