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Rails migration for has_and_belongs_to_many join table
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This is the only reply that actually answers the question.
– pingu
Aug 17 '12 at 10:57
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Android emulator and virtualbox cannot run at same time
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Thanks @MichaelHampton. I installed vagrant-libvert and it worked!
– jchook
Jan 13 '19 at 21:42
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【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an ...
【解决】scrapyd启动job时报错：exceptions.TypeError: __init__() got an unexpected keyword argument '_job'进入项目spiders目录, 修改 spider py 文件（你自己的spider的主文件）：def __init__(self):改为：def __init__(self, *args, **kwargs):最后不要忘了重新部署一...
Javascript : natural sort of alphanumerical strings
...by the value of a certain key in an array of objects. It can also automatically identify and sort strings of: currencies, dates, currency, and a bunch of other things.
Surprisingly, it's also only 1.6kB when gzipped.
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Split a string by another string in C#
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I actually ended up changing my answer to this for 2 reasons: #1: To handle the splits I want to do I would need to use Regex.Escape, because my split string will often contain asterisks, etc. #2: While this program I'm writing...
How to exit a 'git status' list in a terminal?
..._PAGER enviroment variable, then PAGER environment variable, then less as fallback.
– Jakub Narębski
Nov 8 '09 at 14:49
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Python Image Library fails with message “decoder JPEG not available” - PIL
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gregoltsov
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answered Apr 11 '12 at 16:22
RoloRolo
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Difference between $.ajax() and $.get() and $.load()
...imes very useful. You have to deal with the returned data yourself with a callback.
$.get() is just a shorthand for $.ajax() but abstracts some of the configurations away, setting reasonable default values for what it hides from you. Returns the data to a callback. It only allows GET-requests so is...
Search All Fields In All Tables For A Specific Value (Oracle)
...%DTN%', the query you want is:
SELECT owner, table_name, column_name FROM all_tab_columns WHERE column_name LIKE '%DTN%';
But if the 'DTN' string is just a guess on your part, that probably won't help.
By the way, how certain are you that '1/22/2008P09RR8' is a value selected directly from a sin...
What is a NullReferenceException, and how do I fix it?
.... This means you either set it to null, or you never set it to anything at all.
Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A".
null can have different meanings:
Object variables which are uninitialized and hence poi...