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How to test if parameters exist in rails
I'm using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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AngularJS - How can I do a redirect with a full page load?
...eb server are refreshed when the page loads. window.location = "/#/Next" and window.location.href = "/#/Next" don't work, they do an Angular route which does not hit the server.
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Close Window from ViewModel
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You can pass the window to your ViewModel using the CommandParameter. See my Example below.
I've implemented an CloseWindow Method which takes a Windows as parameter and closes it. The window is passed to the ViewModel via CommandParameter. Note that you need to define an x:Name ...
push multiple elements to array
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This answer and the selected answer produce different, and perhaps unexpected, results. a.push(1) vs. a.push([1])
– oevna
Dec 24 '16 at 1:12
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Is it possible to use a div as content for Twitter's Popover
... a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i think i can figure out the rest. I tried setting data-content to a div ID, but it didnt work.
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How do I check if a type provides a parameterless constructor?
...ou can check if you have a value type using the Type.IsValueType property, and create instances using Activator.CreateInstance(Type);
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How do I get a file extension in PHP?
...ys think theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you ...
Adding multiple class using ng-class
...tiple class like ng-class="{'class1 class2' : expression1}" just test that and did not worked at all, solution as @CodeHater said "To apply multiple classes when an expression holds true:" that made the trick
– d1jhoni1b
Jul 14 '14 at 22:51
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Can I make a user-specific gitignore file?
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For user-specific and repo-specific file ignoring you should populate the following file: $GIT_DIR/info/exclude
Usually $GIT_DIR stands for: your_repo_path/.git/
shar...
How can I extract all values from a dictionary in Python?
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If you only need the dictionary keys 1, 2, and 3 use: your_dict.keys().
If you only need the dictionary values -0.3246, -0.9185, and -3985 use: your_dict.values().
If you want both keys and values use: your_dict.items() which returns a list of tuples [(key1, value1)...