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In Python, what happens when you import inside of a function? [duplicate]
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Does it re-import every time the function is run?
No; or rather, Python modules are essentially cached every time they are imported, so importing a second (or third, or fourth...) time doesn't actually force them to go through the whole import process again. 1
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Check if a Class Object is subclass of another Class Object in Java
...ther non-derived classes. But how do I check derived classes? E.g. LinkedList as subclass of List . I can't find any isSubclassOf(...) or extends(...) method. Do I need to walk through all getSuperClass() and find my supeclass by my own?
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PHP parse/syntax errors; and how to solve them
...t has rigid grammar rules, which it cannot recover from when encountering misplaced symbols or identifiers. It can't guess your coding intentions.
Most important tips
There are a few basic precautions you can always take:
Use proper code indentation, or adopt any lofty coding style.
Readabilit...
Should developers have administrator permissions on their PC
Should developers have administrator permissions on their PC or is giving them power user access sufficient?
22 Answers
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Map a network drive to be used by a service
...make the drive mapping available to the service's session when the service is started? Logging in as the service user and creating a persistent mapping will not establish the mapping in the context of the actual service.
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JavaScript open in a new window, not tab
I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab.
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Is it OK to leave a channel open?
Is it OK to leave a Go channel open forever (never close the channel) if I never check for its state? Will it lead to memory leaks? Is the following code OK?
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How can two strings be concatenated?
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paste()
is the way to go. As the previous posters pointed out, paste can do two things:
concatenate values into one "string", e.g.
> paste("Hello", "world", sep=" ")
[1] "Hello world"
where the argument sep specifies the chara...
What is the best way to remove a table row with jQuery?
What is the best method for removing a table row with jQuery?
17 Answers
17
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SimpleTest vs PHPunit
I was wondering if anyone that has experience in both this stuff can shed some light on the significant difference between the two if any?
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