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How to send an email from JavaScript
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If the program which open the page have already e-mail client features.. (like Opera 12.50) then, it open the link as a regular URL. Their is also Thunderbird which have the firefox gecko engine: it can open web pages from hy...
How to disable Django's CSRF validation?
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If you just need some views not to use CSRF, you can use @csrf_exempt:
from django.views.decorators.csrf import csrf_exempt
@csrf_exempt
def my_view(request):
return HttpResponse('Hello world')
You can find more examp...
How can I hash a password in Java?
...hentication
{
/**
* Each token produced by this class uses this identifier as a prefix.
*/
public static final String ID = "$31$";
/**
* The minimum recommended cost, used by default
*/
public static final int DEFAULT_COST = 16;
private static final String ALGORITHM = "PBKDF...
JS: Check if date is less than 1 hour ago?
...(date) => {
const HOUR = 1000 * 60 * 60;
const anHourAgo = Date.now() - HOUR;
return date > anHourAgo;
}
Using the Moment library:
const lessThanOneHourAgo = (date) => {
return moment(date).isAfter(moment().subtract(1, 'hours'));
}
Shorthand syntax with Moment:
const ...
What is the best way to find the users home directory in Java?
...nding Windows API in a very nice way. In particular, using Shell32Util.getKnownFolderPath(...) in combination with one of the constants from the KnownFolders class should be appropriate. The older getFolderPath API function is deprecated since Windows Vista.
– Sebastian Marschi...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
...7). Instead, you should take this opportunity to migrate your application now, before it's too late.
Note also that this technique will suppress all E_DEPRECATED messages, not just those to do with the ext/mysql extension: therefore you may be unaware of other upcoming changes to PHP that would af...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
...showing each person would make a SQL query.
To avoid this, you need to modify get_queryset method in PersonAdmin, for example:
def get_queryset(self, request):
return super(PersonAdmin,self).get_queryset(request).select_related('book')
Before: 73 queries in 36.02ms (67 duplicated queries ...
Encrypting & Decrypting a String in C# [duplicate]
...ed encryption. Encryption alone provides only privacy (i.e. message is unknown to 3rd parties), whilst authenticated encryption aims to provide both privacy and authenticity (i.e. recipient knows message was sent by the sender).
Without knowing your exact requirements, it's difficult to say whet...
Replace non-ASCII characters with a single space
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Yes, I know this does not work for this question, but I landed here trying to solve that problem, so I thought I’d just share my solution to my own problem, which I think is very common for people as @dotancohen who deal with non-a...
Realistic usage of the C99 'restrict' keyword?
...dest[i] = src1[i]*src2[i];
}
}
The compiler needs to properly handle if dest, src1, and src2 overlap, meaning it must do one multiplication at a time, from start to the end. By having restrict, the compiler is free to optimize this code by using the vector instructions.
Wikipedia has an entr...