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PowerShell: Setting an environment variable for a single command only
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Generally, it would be better to pass info to the script via a parameter rather than a
global (environment) variable. But if that is what you need to do you can do it this way:
$env:FOO = 'BAR'; ./myscript
The environment variable $env:FOO can be deleted later like so:
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`if __name__ == '__main__'` equivalent in Ruby
...anted, not a ton), this is not a standard Ruby design pattern. Modules and scripts are supposed to stay separate, so I wouldn't be surprised if there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
But it's definitely not common.
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how to hide a vertical scroll bar when not needed
... use the class in div. like here.
<div> <p class = "scrol" id = "title">-</p></div>
I have attached image , you see the out put of the above code
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How to use knockout.js with ASP.NET MVC ViewModels?
...y of the input control with the CourseId property from your model and your script model
The result is:
<input data-bind="value: CourseId" data-val="true" data-val-number="The field CourseId must be a number." data-val-required="The CourseId field is required." id="CourseId" name="CourseId" type=...
How can I get query string values in JavaScript?
...nal
You don't need jQuery for that purpose. You can use just some pure JavaScript:
function getParameterByName(name, url) {
if (!url) url = window.location.href;
name = name.replace(/[\[\]]/g, '\\$&');
var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
r...
HTML input - name vs. id [duplicate]
...dio buttons & checkboxes
Can not be referenced in URL, although as JavaScript and PHP can see the URL there are workarounds
Is referenced in JS with getElementsByName()
Shares the same namespace as the id attribute
Must begin with a letter
According to specs is case sensitive, but most modern br...
How does a hash table work?
...em.
So, you decide that if the person that wants to read a book knows the title of the book and the exact title to boot, then that's all it should take. With the title, the person, with the aid of the librarian, should be able to find the book easily and quickly.
So, how can you do that? Well, obv...
Ruby on Rails generates model field:type - what are the options for field:type?
... when writing this command.
For example:
Do write:
rails g model product title:string description:text image_url:string price:decimal
Do not write:
rails g Model product title:string description:text image_url:string price:decimal
At least it was a problem to me.
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
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@article = user.articles.build(:title => "MainTitle")
@article.save
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Hide options in a select list using jQuery
...olation. Try this:
$("#edit-field-service-sub-cat-value option[value=" + title + "]").hide();
Note that this will probably break in various hideous ways if title contains jQuery selector metacharacters.
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