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sql primary key and index
... alternate index on that column, then drop the default index.
Now for the fun part--when do you NOT want a unique primary key index? You don't want one, and can't tolerate one, when your table acquires enough data (rows) to make the maintenance of the index too expensive. This varies based on the...
Getting activity from context in android
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And in Kotlin:
tailrec fun Context.activity(): Activity? = when {
this is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.activity()
}
share
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Get all files that have been modified in git branch
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ah! this is good fun, now how about if I want to have say <notMainDev> be the current branch I'm on. that is not have to specify it?
– Raif
May 17 '12 at 19:07
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How do you share code between projects/solutions in Visual Studio?
...forward to deploy a separate DLL into SharePoint. In order to share common functionality between InfoPath forms the linked class file approach is very useful. It is placed one level above the individual form projects and everything is source controlled at the root level.
– Oliv...
How can I loop through a C++ map of maps?
...sal (by luminaries Bjarne Stroustrup, Herb Sutter and Gabriel Dos Reis) is fun to read (and the suggested syntax is more intuitive IMHO); there's also the proposed wording for the standard which is boring to read but is closer to what will actually go in.
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A Regex that will never be matched by anything
... I had a long talk with some of my fellow developers and it sounded like a fun thing to think of.
26 Answers
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How would one call std::forward on all arguments in a variadic function?
...y to make a variadic template (using 2010 and it doesn't support them). My function uses rval references and std::forward to do perfect forwarding and it got me thinking...when C++0X comes out and I had a standard compiler I would do this with real variadic templates. How though, would I call st...
Connect to Amazon EC2 file directory using Filezilla and SFTP
...le field, browse your pem file: and click Connect
That's all :) have fun!
Note:
(Remember to allow SSH connection to your IP address from EC2) If not you will get connecting error message!
Note: Allowing your IP to connect your aws instance via SFTP
EC2 -> SecurityGroups -> SS...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...用 隐私策略和使用条款 技术支持 service@fun123.cn
PostgreSQL: How to make “case-insensitive” query
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Use LOWER function to convert the strings to lower case before comparing.
Try this:
SELECT id
FROM groups
WHERE LOWER(name)=LOWER('Administrator')
share...