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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...that looks like this:
{[nil, nil]=>512,
["Joe", "test@test.com"]=>23,
["Jim", "email2@gmail.com"]=>36,
["John", "email3@gmail.com"]=>21}
Thought that was pretty cool and hadn't seen it before.
Credit to Taryn, this is just a tweaked version of her answer.
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Does Java SE 8 have Pairs or Tuples?
...this as Pair<Integer, Integer> consumes three objects instead of two 32-bit words. Furthermore, these objects must reside on the heap and will incur GC overhead.
It would seem clear that, like Streams, it would be essential for there to be primitive specializations for Pairs. Do we want to se...
Android: What's the difference between Activity.runOnUiThread and View.post?
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answered May 11 '12 at 20:31
MByDMByD
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Is the 'override' keyword just a check for a overridden virtual method?
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edited Dec 14 '12 at 14:23
answered Dec 14 '12 at 14:13
Ke...
When a 'blur' event occurs, how can I find out which element focus went *to*?
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23 Answers
23
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Non-CRUD operations in a RESTful service
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whoan
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answered Jul 27 '11 at 19:42
Tomasz NurkiewiczTom...
psql - save results of command to a file
...commands will look like this:
[wist@scifres ~]$ psql db
Welcome to psql 8.3.6, the PostgreSQL interactive terminal
db=>\o out.txt
db=>\dt
db=>\q
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Get current time as formatted string in Go?
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Dave C
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answered May 4 '11 at 15:17
nmichaelsnmichaels
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Add border-bottom to table row
I have a table of 3 by 3. I need a way to add a border for the bottom of every row tr and give it a specific color.
16 An...
你以为发传单真的这么简单吗?（提升成功率干货） - 更多技术 - 清泛网 - 专...
...用、要么有趣，给人家一个不把你扔垃圾桶的理由嘛。
3种形式：红包、日历、美元
2、发传单的人
把价值、品牌、优惠等信息包装成看得见、摸得着的传单后，下一步就是要通过一些载体送到目标用户手上。软二路上有各...