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What is the purpose of fork()?
... to handle each page within a separate process. This will prevent client-side code on one page from bringing your whole browser down.
fork is used to spawn processes in some parallel programs (like those written using MPI). Note this is different from using threads, which don't have their own addr...
How do I open the SearchView programmatically?
There is this widget for the ActionBar which called 'SearchView'.
When it's not in use, it looks like this:
7 Answers
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How do I clear a search box with an 'x' in bootstrap 3?
...ry use the following HTML code:
<div class="btn-group">
<input id="searchinput" type="search" class="form-control">
<span id="searchclear" class="glyphicon glyphicon-remove-circle"></span>
</div>
and some CSS:
#searchinput {
width: 200px;
}
#searchclear {
...
How do I filter ForeignKey choices in a Django ModelForm?
...es are a model QuerySet. See the reference for ModelChoiceField.
So, provide a QuerySet to the field's queryset attribute. Depends on how your form is built. If you build an explicit form, you'll have fields named directly.
form.rate.queryset = Rate.objects.filter(company_id=the_company.id)
...
When should I use GET or POST method? What's the difference between them?
...a matter of security. The HTTP protocol defines GET-type requests as being idempotent, while POSTs may have side effects. In plain English, that means that GET is used for viewing something, without changing it, while POST is used for changing something. For example, a search page should use GET, wh...
Design Pattern for Undo Engine
...this once and it worked very slick. The biggest thing you have to do is avoid the direct use of pointers or references in the model.
Every reference to another object uses some identifier (like an integer). Whenever the object is needed, you lookup the current definition of the object from a table....
How to scroll the window using JQuery $.scrollTo() function
...it's not working why don't you try using jQuery's scrollTop method?
$("#id").scrollTop($("#id").scrollTop() + 100);
If you're looking to scroll smoothly you could use basic javascript setTimeout/setInterval function to make it scroll in increments of 1px over a set length of time.
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Objective-C pass block as parameter
...g the * with a ^. One way to pass a block to a method is as follows:
- (void)iterateWidgets:(void (^)(id, int))iteratorBlock;
But as you can see, that's messy. You can instead use a typedef to make block types cleaner:
typedef void (^ IteratorBlock)(id, int);
And then pass that block to a meth...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...looking specifically for EJS, so it's on the browser page. But, like TJ said, typeof foo == 'undefined' works. I learned that I could also add a simple !!foo if foo has been defined but is null or empty.
– Aashay Desai
Jun 27 '11 at 6:23
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creating list of objects in Javascript
...
var list = [
{ date: '12/1/2011', reading: 3, id: 20055 },
{ date: '13/1/2011', reading: 5, id: 20053 },
{ date: '14/1/2011', reading: 6, id: 45652 }
];
and then access it:
alert(list[1].date);
...