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Change a Django form field to a hidden field
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If you have a custom template and view you may exclude the field and use {{ modelform.instance.field }} to get the value.
also you may prefer to use in the view:
form.fields['field_name'].widget = forms.HiddenInput()
but...
C++ SFINAE examples?
...emplate<typename C> static One test(int C::*);
// Will be chosen if T is anything except a class.
template<typename C> static Two test(...);
public:
enum { Yes = sizeof(IsClassT<T>::test<T>(0)) == 1 };
enum { No = !Yes };
};
When IsClassT<int>::Yes i...
Git mergetool generates unwanted .orig files
When I do a merge conflict resolution with Kdiff3 (and other merge tool I tried) I noticed that on resolution a *.orig file is created. Is there a way for it to not create that extra file?
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Use of *args and **kwargs [duplicate]
So I have difficulty with the concept of *args and **kwargs .
11 Answers
11
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How to properly add cross-site request forgery (CSRF) token using PHP
...stically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open source projects is an initiative to backport random_bytes() and random_...
Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
... a lookup table that contains all variations of characters hashed in a specific hashing algorithm.
Salt - a known random string appended to the original string before it is hashed.
For the .NET Framework, Bcrypt does not yet have a verified reference implementation. This is important because there...
Add new item in existing array in c#.net
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I would use a List if you need a dynamically sized array:
List<string> ls = new List<string>();
ls.Add("Hello");
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Quickest way to convert XML to JSON in Java [closed]
...cy:
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20180813</version>
</dependency>
XML.java is the class you're looking for:
import org.json.JSONObject;
import org.json.XML;
public class Main {
public s...
Deleting Objects in JavaScript
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The delete operator deletes only a reference, never an object itself. If it did delete the object itself, other remaining references would be dangling, like a C++ delete. (And accessing one of them would cause a crash. To make them all turn null would mean having extra work when deleting or ext...
What is the difference between printf() and puts() in C?
...than printf but be aware that the former automatically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf.
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