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How to use Oracle ORDER BY and ROWNUM correctly?
...before the order by. So, your desired query is saying "take the first row and then order it by t_stamp desc". And that is not what you intend.
The subquery method is the proper method for doing this in Oracle.
If you want a version that works in both servers, you can use:
select ril.*
from (sel...
When to catch java.lang.Error?
...ome stupid 3rd-party code throwing subclasses of Error, so you'll have to handle those as well.
By the way, I'm not sure it isn't possible to recover from OutOfMemoryError.
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What does MVW stand for?
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It stands indeed for whatever, as in whatever works for you
MVC vs MVVM vs MVP. What a controversial topic that many developers
can spend hours and hours debating and arguing about.
For several years +AngularJS was clos...
How can I pad a value with leading zeros?
...o readers!
As commenters have pointed out, this solution is "clever", and as
clever solutions often are, it's memory intensive and relatively
slow. If performance is a concern for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and...
Using tags to turn off caching in all browsers? [duplicate]
...er here:
How to control web page caching, across all browsers?
For IE9 and before
Do not blindly copy paste this!
The list is just examples of different techniques, it's not for direct
insertion. If copied, the second would overwrite the first and the
fourth would overwrite the third be...
How to emulate GPS location in the Android Emulator?
I want to get longitude and latitude in Android emulator for testing.
33 Answers
33
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Merge multiple lines (two blocks) in Vim
I'd like to merge two blocks of lines in Vim, i.e. take lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
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The compiler first tries to evaluate the right-hand expression:
GetBoolValue() ? 10 : null
The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message.
If you change the right-hand expression to ...
Can I use break to exit multiple nested 'for' loops?
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AFAIK, C++ doesn't support naming loops, like Java and other languages do. You can use a goto, or create a flag value that you use. At the end of each loop check the flag value. If it is set to true, then you can break out of that iteration.
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Git Push Error: insufficient permission for adding an object to repository database
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Repair Permissions
After you have identified and fixed the underlying cause (see below), you'll want to repair the permissions:
cd /path/to/repo.git
sudo chgrp -R groupname .
sudo chmod -R g+rwX .
find . -type d -exec chmod g+s '{}' +
Note if you want everyone to be ...