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How do I check if a property exists on a dynamic anonymous type in c#?
... public static bool IsPropertyExist(dynamic settings, string name)
{
if (settings is ExpandoObject)
return ((IDictionary<string, object>)settings).ContainsKey(name);
return settings.GetType().GetProperty(name) != null;
}
var settings = new {Filename = @"c:\temp\q.txt"};
...
Iterate two Lists or Arrays with one ForEach statement in C#
...
If you don't want to wait for .NET 4.0, you could implement your own Zip method. The following works with .NET 2.0. You can adjust the implementation depending on how you want to handle the case where the two enumerations (or...
How to determine whether an object has a given property in JavaScript
...
Object has property:
If you are testing for properties that are on the object itself (not a part of its prototype chain) you can use .hasOwnProperty():
if (x.hasOwnProperty('y')) {
// ......
}
Object or its prototype has a property:
You ca...
Convert int to char in java
...
will print out the char with ascii value 49 (one corresponding to '1')
If you want to convert a digit (0-9), you can add 48 to it and cast, or something like Character.forDigit(a, 10);.
If you want to convert an int as in ascii value, you can use Character.toChars(48) for example.
...
jQuery OR Selector?
I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
...
Does deleting a branch in git remove it from the history?
...mmits in git. In git each commit has a complete source tree, it is a very different structure from svn where all branches and tags (by convention) live in separate 'folders' of the repository alongside the special 'trunk'.
If the branch was merged into another branch before it was deleted then all ...
Yank file name / path of current buffer in Vim
... our example we use expand('%') to expand the current file name. We can modify it as expand('%:p') for the full file name.
See :help let :help expand :help registers for details
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improve th...
When is std::weak_ptr useful?
...d to keep those in memory, so you get rid of the strong pointer.
But what if that object is in use and some other code holds a strong pointer to it? If the cache gets rid of its only pointer to the object, it can never find it again. So the cache keeps a weak pointer to objects that it needs to fin...
How can I generate UUID in C#
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@Uma Shankar Subramani: GUID = Globally Unique Identifier, UUID = Universally Unique Identifier. Different words for the same concept.
– Tudor
Dec 12 '11 at 17:58
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Conditional ng-include in angularjs
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If you are using Angular v1.1.5 or later, you can also use ng-if:
<div ng-if="x" ng-include="'/partial.html'"></div>
If you have any older version:
Use ng-switch:
<div ng-switch on="x">
<div ng...