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How to execute a JavaScript function when I have its name as a string
...t as a string. How do I convert that into a function pointer so I can call it later?
34 Answers
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How do I get an empty array of any size in python?
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One thing you have to watch out for with a = [obj] * N is that the same obj appears in each element of the array. If it a mutable obj, and you modify one item, all will be changed. ...But, for this example using integers (or any other immutable type), it makes...
What is the difference between javac and the Eclipse compiler?
...per around the same core that the javac program is wrapped around, or is it a separate compiler altogether? If the latter, why would they reinvent the wheel?
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Convert a list of characters into a string
...e the join method of the empty string to join all of the strings together with the empty string in between, like so:
>>> a = ['a', 'b', 'c', 'd']
>>> ''.join(a)
'abcd'
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Input type=password, don't let browser remember the password
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Try using autocomplete="off". Not sure if every browser supports it, though. MSDN docs here.
EDIT: Note: most browsers have dropped support for this attribute. See Is autocomplete="off" compatible with all modern browsers?
This is arguably something that should be left up to the user ra...
node.js child process - difference between spawn & fork
...s a command designed to run system commands. When you run spawn, you send it a system command that will be run on its own process, but does not execute any further code within your node process. You can add listeners for the process you have spawned, to allow your code interact with the spawned pr...
Difference between View and table in sql
...ore or less, depending on your database).
The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database with salaries and you need to do some complex statistical queries on it.
Instead of sending the complex query to the database all t...
Is python's sorted() function guaranteed to be stable?
The documentation doesn't guarantee that. Is there any other place that it is documented?
5 Answers
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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It means you're trying to install an app with the same packageName as an app that's already installed on the emulator, but the one you're trying to install has a lower versionCode (integer value for your version number).
You...
Removing whitespace between HTML elements when using line breaks
I have a page with a row of about 10 img s. For readability of the HTML, I want to put a linebreak in between each img tag, but doing so renders whitespace between the images, which I do not want. Is there anything I can do other than break in the middle of the tags rather than between them?
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