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How to select only 1 row from oracle sql?
... Yes. ROWNUM is a special column that gets added to the result set enumerating the results. You can use it to select multiple as well, for example, if you wanted to find the 10 highest payed employees, you might say "SELECT user FROM Employees WHERE ROWNUM <= 10 ORDER BY SALARY DESCENDING"
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How to make a new List in Java
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I am surprised that no one has mentioned that you can look up the list interface in the Java documentation to get a definite list of all the classes that implement List: docs.oracle.com/javase/7/docs/api/java/util/List.html
– David Ma...
Is a DIV inside a TD a bad idea?
It seems like I heard/read somewhere that a <div> inside of a <td> was a no-no. Not that it won't work, just something about them not being really compatible based on their display type. Can't find any evidence to back up my hunch, so I may be totally wrong.
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How to rename a file using Python
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Use os.rename:
import os
os.rename('a.txt', 'b.kml')
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Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... object in JavaScript using the below call, I found out that the month argument counts starting from zero.
8 Answers
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Dynamic cell width of UICollectionView depending on label width
... thank you for your help but I still have one issue. When I uncomment [cell.myLabel sizeToFit] I have words truncated and letters cut at the bottom but it becomes ok after I scroll (words have they normal size and letters jump up a bit). If I comment and disable [cell.myLabel sizeToFit] me...
Unit testing for C++ code - Tools and methodology [closed]
I'm working on a large c++ system that is has been in development for a few years now. As part of an effort to improve the quality of the existing code we engaged on a large long-term refactoring project.
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Strip whitespace from jsp output
...e it might also need strip that, so you may need a non-breaking space in some locations.
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Why does Vim save files with a ~ extension?
... of Vim, which is:
write buffer to new file
delete the original file
rename the new file
and makes Vim write the buffer to the original file (resulting in the risk of destroying it in case of an I/O error). But you prevent "jumping files" on the Windows desktop with it, which is the primary reas...
Iterate keys in a C++ map
...ake a look at Boost's transform_iterator.
[Tip: when looking at Boost documentation for a new class, read the "examples" at the end first. You then have a sporting chance of figuring out what on earth the rest of it is talking about :-)]
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