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Forward declaring an enum in C++
I'm trying to do something like the following:
17 Answers
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Convert string to number and add one
I want to turn the value I get from the id into a number and add one to it then pass the new value into the dosomething() function to use. When I tried this and the value is one I get back 11 not 2.
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How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
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How can I do DNS lookups in Python, including referring to /etc/hosts?
dnspython will do my DNS lookups very nicely, but it entirely ignores the contents of /etc/hosts .
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Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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mongodb: insert if not exists
Every day, I receive a stock of documents (an update). What I want to do is insert each item that does not already exist.
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How to get primary key column in Oracle?
I need to get the name of the primary key column.
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How to set timeout for http.Get() requests in Golang?
I'm making a URL fetcher in Go and have a list of URLs to fetch. I send http.Get() requests to each URL and obtain their response.
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Long press gesture on UICollectionViewCell
I was wondering how to add a long press gesture recognizer to a (subclass of) UICollectionView. I read in the documentation that it is added by default, but I can't figure out how.
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What's this =! operator? [duplicate]
I was surprised by this code:
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