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MongoDB: Combine data from multiple collections into one..how?
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Thanks @rmarscher your extra details really helped me to better understand everything.
– benstr
Nov 10 '14 at 21:29
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Oracle TNS names not showing when adding new connection to SQL Developer
...%\tnsnames.ora before %TNS_ADMIN%\tnsnames.ora, and that's where I had the extra tnsnames.ora file.
– MBWise
Jun 30 at 14:39
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Django set default form values
...riable and iterate through its contents without you needing to do anything extra). Personally, I prefer to specify default values in the form definition and only use the initial=... mechanism if the desired default is a dynamic value (e.g. something entered by a user, or based on their login, geogra...
Submit a form using jQuery [closed]
...you'd need to put the form data into a JavaScript data structure with your extra data and serialize it. In that case you'd probably use serializeArray on the form and merge your other data in.
– tvanfosson
Jul 11 '14 at 14:42
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How can I Remove .DS_Store files from a Git repository?
...prefer xargs because I don't have to worry about escaping a lot of special characters.
– benzado
Sep 21 '08 at 7:13
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How do I delete an exported environment variable?
... @RodrigoGurgel using echo won't show existing variable set to empty string or nul. to your point, though, a proper way to test for variable would be env | grep -e '^VARNAME='.
– Thomas
Feb 1 '19 at 14:22
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In what cases do I use malloc and/or new?
... Always use new.
If you need a big chunk of data just do something like:
char *pBuffer = new char[1024];
Be careful though this is not correct:
//This is incorrect - may delete only one element, may corrupt the heap, or worse...
delete pBuffer;
Instead you should do this when deleting an arra...
Recursion or Iteration?
...n algorithms where both can serve the same purpose? Eg: Check if the given string is a palindrome.
I have seen many programmers using recursion as a means to show off when a simple iteration algorithm can fit the bill.
Does the compiler play a vital role in deciding what to use?
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How can I check if a background image is loaded?
...s are stored. If you're referring to cache, remember that you're adding an extra HTTP request and all clients might not have cache enabled.
– HyderA
Feb 20 '11 at 17:09
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How can I check whether a radio button is selected with JavaScript?
...language of choice, but you'd but checking the gender value of the request string.
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