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SQL query to get all values a enum can have
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模板落地（HarmonyTemplateRenderer）使用指导 · App Inventor 2 中文网
...业务处理。
先在设计器放垂直布局并重命名为垂直布局_容器；传的是组件名称文本。模板输入框填写 HarmonyScenarioKit 的输出。前缀用于避免不同模板的组件名称冲突。
案例一：渲染一个现有模板
各案例独立...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...leCollection<EntityViewModel> ContentList
{
get { return _contentList; }
}
public CollectionViewModel()
{
_contentList = new ObservableCollection<EntityViewModel>();
_contentList.CollectionChanged += ContentCollectionChanged;
}
public v...
Best way to obfuscate an e-mail address on a website?
... website. The URL of my personal website is (my first name).(my last name).com, as my last name is rather unusual, and I was lucky enough to pick up the domain name. My e-mail address is (my first name)@(my last name).com. So really, when it comes down to guessing it, it's not very hard.
...
Close and Dispose - which to call?
...king with objects that implement IDisposable then call Dispose() on them!
http://www.ondotnet.com/pub/a/oreilly/dotnet/news/programmingCsharp_0801.html?page=last
While there may be many instances (like on SqlConnection) where you call Disponse() on some object and it simply calls Close() on it's c...
Python extract pattern matches
... (.*) is valid")
>>> result = p.search(s)
>>> result
<_sre.SRE_Match object at 0x10555e738>
>>> result.group(1) # group(1) will return the 1st capture (stuff within the brackets).
# group(0) will returned the entire matched text.
'my_user_...
How to remove an item from an array in AngularJS scope?
...te</a>
Controller:
$scope.delete = function ( idx ) {
var person_to_delete = $scope.persons[idx];
API.DeletePerson({ id: person_to_delete.id }, function (success) {
$scope.persons.splice(idx, 1);
});
};
...
Constants in Objective-C
...
You should create a header file like
// Constants.h
FOUNDATION_EXPORT NSString *const MyFirstConstant;
FOUNDATION_EXPORT NSString *const MySecondConstant;
//etc.
(you can use extern instead of FOUNDATION_EXPORT if your code will not be used in mixed C/C++ environments or on other plat...
Reverse / invert a dictionary mapping
...
For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = {v: k for k, v in my_map.items()}
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Using reflect, how do you set the value of a struct field?
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