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Sorting object property by values
...dard, as you've yourself mentioned, this erroneous assumption is broken by more browsers than just Chrome today, so it's better not to encourage users to try it.
– Oleg V. Volkov
Aug 15 '12 at 15:42
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MySQL: Quick breakdown of the types of joins [duplicate]
...zag's mySQL tutorials. You can also check out Keith J. Brown's website for more information on joins that is quite good also.
I hope this helps you
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Deleting all records in a database table
...n_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are deleted without loading them first which makes it very fast but will break functionality like counter cache that depends on rails code to be executed upon deletion.
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How to use the 'og' (Open Graph) meta tag for Facebook share
...t;
Fill the content =" ... " according to the content of your page.
For more information, visit 18 Meta Tags Every Webpage Should Have in 2013.
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Pry: show me the stack
... enter this (bind 'B' send-keys '...^M'), using a "reject" instead so it's more generic: caller.reject {|x| x["vendor/bundle"] || x["/.rbenv/versions/"] }
– hoodslide
Jul 9 '15 at 19:15
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What is the difference between HAVING and WHERE in SQL?
...roup By City
Having Count(1)>5
Gives you a table of cities in MA with more than 5 addresses and the number of addresses in each city.
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Which is better in python, del or delattr?
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The first is more efficient than the second. del foo.bar compiles to two bytecode instructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
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Call a “local” function within module.exports from another function in module.exports?
...level of indirection, and while it can be desirable sometimes, it makes it more complicated, to refactor, e.g. rename the function, of find usage of the function, etc.
– Pierre Henry
Sep 21 '15 at 14:48
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What does the “@” symbol do in Powershell?
...tialise arrays. What exactly does the @ symbol denote and where can I read more about it?
5 Answers
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