大约有 13,065 项符合查询结果（耗时：0.0505秒） [XML]
Django set default form values
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You can use initial which is explained here
You have two options either populate the value when calling form constructor:
form = JournalForm(initial={'tank': 123})
or set the value in the form definition:
tank = forms.Inte...
What's the status of multicore programming in Haskell?
What's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
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What is javax.inject.Named annotation supposed to be used for?
I am trying to understand the javax.inject package and I am not clear what the javax.inject.Named annotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
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How to get std::vector pointer to the raw data?
I'm trying to use std::vector as a char array.
3 Answers
3
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Accessing member of base class
See the inheritance example from the playground on the TypeScript site:
2 Answers
2
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Mongoose query where value is not null
Looking to do the following query:
6 Answers
6
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Why is conversion from string constant to 'char*' valid in C but invalid in C++
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Up through C++03, your first example was valid, but used a deprecated implicit conversion--a string literal should be treated as being of type char const *, since you can't modify its contents (without causing undefined behav...
How to merge a list of lists with same type of items to a single list of items?
The question is confusing, but it is much more clear as described in the following codes:
4 Answers
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C#: How to convert a list of objects to a list of a single property of that object?
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Thanks. Also, how would I sort that alphabetically by firstname?
– User
Sep 22 '09 at 16:36
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C++ where to initialize static const
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Anywhere in one compilation unit (usually a .cpp file) would do:
foo.h
class foo {
static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral types can be in...