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Increment a database field by 1
With MySQL, if I have a field, of say logins, how would I go about updating that field by 1 within a sql command?
5 Answers...
Redis is single-threaded, then how does it do concurrent I/O?
Trying to grasp some basics of Redis I came across an interesting blog post .
2 Answers
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Markdown vs markup - are they related?
I'm using markdown to edit this question right now. In some wikis I used wiki markup. Are they the same thing? Are they related? Please em>x m>plain. If I want to implement one or the other in a web project (like stackoverflow) what do I need to use?
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How do I pass parameters into a PHP script through a webpage?
I am calling a PHP script whenever a webpage loads. However, there is a parameter that the PHP script needs to run (which I normally pass through the command line when I am testing the script).
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What is a StoryBoard ID and how can i use this?
i'm new to IOS developing and recently started in m>X m>code 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it?
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Any way to modify Jasmine spies based on arguments?
I have a function I'd like to test which calls an em>x m>ternal API method twice, using different parameters. I'd like to mock this em>x m>ternal API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
Best way to convert IList or IEnumerable to Array
I have a HQL query that can generate either an IList of results, or an IEnumerable of results.
4 Answers
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What is the difference between .map, .every, and .forEach?
I've always wondered what the difference between them were. They all seem to do the same thing...
4 Answers
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How do you get current active/default Environment profile programmatically in Spring?
I need to code different logic based on different current Environment profile. How can you get the current active and default profiles from Spring?
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Em>x m>clude a sub-directory using find
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This works:
find /home/feeds/data -type f -not -path "*def/incoming*" -not -path "*456/incoming*"
Em>x m>planation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't i...