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How can I clear or empty a StringBuilder? [duplicate]
I'm using a StringBuilder in a loop and every x iterations I want to empty it and start with an empty StringBuilder , but I can't see any method similar to the .NET StringBuilder.Clear in the documentation, just the delete method which seems overly complicated.
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How to install Boost on Ubuntu
I'm on Ubuntu, and I want to install Boost. I tried with
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Is there a limit on how much JSON can hold?
... system. I am curious, is there a size limit on what you can send through/store with JSON? Like if a user types a large amount and I send it through JSON is there some sort of maximum limit?
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How to take screenshot with Selenium WebDriver
Does anyone know if it's possible to take a screenshot using Selenium WebDriver? (Note: Not Selenium RC)
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How to set up a PostgreSQL database in Django
I'm new to Python and Django.
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How Do I Fetch All Old Items on an RSS Feed?
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RSS/Atom feeds does not allow for historic information to be retrieved. It is up to the publisher of the feed to provide it if they want such as in the blogger or wordpress examples you gave above.
The only reason that Google Rea...
How to Vertical align elements in a div?
I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other.
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How do I read an attribute on a class at runtime?
I am trying to create a generic method that will read an attribute on a class and return that value at runtime. How do would I do this?
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How to make input type= file Should accept only pdf and xls
...ou could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type on the server side (your second question).
Example:
<input t...
How to execute a JavaScript function when I have its name as a string
... the name of a function in JavaScript as a string. How do I convert that into a function pointer so I can call it later?
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