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How do I reference a Django settings variable in my models.py?
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Try with this: from django.conf import settings then
settings.VARIABLE to access that variable.
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How to delete the contents of a folder?
... symbolic link to a directory). If ignore_errors is true, errors resulting from failed removals will be ignored; if false or omitted, such errors are handled by calling a handler specified by onerror or, if that is omitted, they raise an exception.
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Error handling in getJSON calls
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Here's my addition.
From http://www.learnjavascript.co.uk/jq/reference/ajax/getjson.html and the official source
"The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callback
methods introduced in jQuery 1.5 are deprecated as of jQuery 1.8...
Difference between VARCHAR and TEXT in MySQL [duplicate]
...CHAR does not provide any noticeable performance improvement. (This comes from an old wives tale about MyISAM tables; even there it was of dubious validity.)
– Rick James
Jan 27 '19 at 23:39
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Significant new inventions in computing since 1980
This question arose from comments about different kinds of progress in computing over the last 50 years or so.
129 Answer...
How do you allow spaces to be entered using scanf?
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If you just want to get a line from the user, it is easier. It's also safer since you can avoid buffer overflows. The scanf family is really useful for turning a string into different things (like four chars and an int for example with "%c%c%c%c%d") but, e...
Two-way encryption: I need to store passwords that can be retrieved
...ption cycle takes about 1/2 second on my machine).
Now, as to point 3 from the first list, what that would give you is a function like this:
function makeKey($userKey, $serverKey, $userSuppliedKey) {
$key = hash_hmac('sha512', $userKey, $serverKey);
$key = hash_hmac('sha512', $key, $us...
How can I store my users' passwords safely?
...de access to the table only through stored procedures and prevent the hash from ever being returned. Instead, the client passes what it thinks is the hash and gets a success or failure flag. This allows the stored proc to log the attempt, create a session, etc.
– Steven Sudit...
What do all of Scala's symbolic operators mean?
...re:
// Keywords
<- // Used on for-comprehensions, to separate pattern from generator
=> // Used for function types, function literals and import renaming
// Reserved
( ) // Delimit expressions and parameters
[ ] // Delimit type parameters
{ } // Delimit blocks
. ...
Given a DateTime object, how do I get an ISO 8601 date in string format?
... @core: that's one of the standard Formats, which is different from the custom Formats linked: msdn.microsoft.com/en-us/library/az4se3k1(v=vs.110).aspx
– Wayne
Oct 29 '15 at 17:59
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