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How to loop through a plain JavaScript object with the objects as members?
...
Under ECMAScript 5, you can combine Object.keys() and Array.prototype.forEach():
var obj = {
first: "John",
last: "Doe"
};
//
// Visit non-inherited enumerable keys
//
Object.keys(obj).forEach(function(key) {
console.log(key, obj[key]);
});
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Copy file or directories recursively in Python
Python seems to have functions for copying files (e.g. shutil.copy ) and functions for copying directories (e.g. shutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission.
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How do you configure Django for simple development and deployment?
...l together with a settings.py file that firstly imports settings_local.py, and then one of the other two. It decides which to load by two settings inside settings_local.py - DEVELOPMENT_HOSTS and PRODUCTION_HOSTS. settings.py calls platform.node() to find the hostname of the machine it is running ...
Comparing two dataframes and getting the differences
...This approach, df1 != df2, works only for dataframes with identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want not to find changes, but symmetric d...
How can I use a local image as the base image with a dockerfile?
... latest 0378ea1c0b6c 19 hours ago 1.36 GB And doing "FROM ubuntu1504gcc484" in my other Dockerfile, and this works just fine. (Apologies for the poor formatting)
– Pejvan
Apr 21 '15 at 12:16
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Is there a way to chain multiple value converters in XAML?
...an then be used in XAML like this:
<c:ValueConverterGroup x:Key="InvertAndVisibilitate">
<c:BooleanInverterConverter/>
<c:BooleanToVisibilityConverter/>
</c:ValueConverterGroup>
share
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VC菜单命令详解(文件打开、保存与关闭) - C/C++ - 清泛网 - 专注C/C++及内核技术
...cument、the view、the document template object以及the associate string and menu resources之间的关系。
The Windows Application Object
在CWinApp派生类的Implement文件中会有类似CMyApp theApp的语句。theApp是一个全局变量,它就是启动MFC应用程序的机制所在...
What's the difference between size_t and int in C++?
...pe size_t where I would have used a simple int . What's the difference, and why size_t should be better?
5 Answers
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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...tion signals usually have the following order (according to many MAN pages and the POSIX Spec):
6 Answers
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Way to ng-repeat defined number of times instead of repeating over array?
...mber(number)">
<span>{{ $index+1 }}</span>
</li>
And somewhere in your controller:
$scope.number = 5;
$scope.getNumber = function(num) {
return new Array(num);
}
This would allow you to change $scope.number to any number as you please and still maintain the binding ...