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Proper way to handle multiple forms on one page in Django
...ta. Include some hidden inputs if your froms don't have unique fields with all possible values being not empty.
– Denis Otkidach
Oct 24 '09 at 16:39
14
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How do I provide custom cast support for my class?
...ou want users to have to cast it or whether you want it to happen automagically. Generally, one direction will always work, that's where you use implicit, and the other direction can sometimes fail, that's where you use explicit.
The syntax is like this:
public static implicit operator dbInt64(Byt...
Getting the current Fragment instance in the viewpager
... // class and call the method:
if (ViewPager.getCurrentItem() == 0 && page != null) {
((FragmentClass1)page).updateList("new item");
}
return true;
Please rethink your variable naming convention, using as the variable name the name of the class is very confusing...
Remove HTML tags from a String
...;hey!</b> or hey!? If the first, escape less-thans, and html-encode ampersands (and optionally quotes) and you're fine. A modification to your code to implement the second option would be:
replaceAll("\\<[^>]*>","")
but you will run into issues if the user enters something malfor...
Get the current first responder without using a private API
...that my app cannot be accepted because I'm using a non-public API; specifically, it says,
28 Answers
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“You have mail” message in terminal, os X [closed]
...
and then type "d *" to erase all messages
– Ricardo Martins
Mar 20 '17 at 12:23
9
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Undefined reference to static constexpr char[]
...d outside the class
with no initializer. This usage is deprecated. [ Example:
struct A {
static constexpr int n = 5; // definition (declaration in C++ 2014)
};
constexpr int A::n; // redundant declaration (definition in C++ 2014)
— end example ]
C++14 and earlier
In C++...
Java null check why use == instead of .equals()
...nerally create public fields (although it doesn't really matter for this example either way). Why?
– T.J. Crowder
Dec 22 '10 at 16:11
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_DEBUG vs NDEBUG
...
+1. NDEBUG in particular is allowed to be #undef'd and #define'd within a single TU (and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a ...
Replacing a char at a given index in string? [duplicate]
...method. One more possible improvement: check if input.Count > index-1 && index >= 0 otherwise you'll get an exception when you do chars[index] or builder[index].
– sth_Weird
Jul 7 '16 at 9:08
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