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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...
Hashing a file in Python
...g our hashes of this bad boy in 64kb chunks as we go along with hashlib's handy dandy update method. This way we use a lot less memory than the 2gb it would take to hash the guy all at once!
You can test this with:
$ mkfile 2g bigfile
$ python hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187...
Is there a “goto” statement in bash?
...
No, there is not; see §3.2.4 "Compound Commands" in the Bash Reference Manual for information about the control structures that do exist. In particular, note the mention of break and continue, which aren't as flexible as goto, but are more flexible in Bash than in som...
Submit jQuery UI dialog on
...n(e) {
if (e.keyCode == $.ui.keyCode.ENTER) {
//Close dialog and/or submit here...
}
});
This'll run no matter what element has the focus in your dialog, which may or may not be a good thing depending on what you want.
If you want to make this the default functionality, you can ...
What is a “thread” (really)?
I have been trying to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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REST API 404: Bad URI, or Missing Resource?
...t the HTTP response code. On top of that, you can provide a response body and/or other headers with a more meaningful error message that developers will see.
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Easy way to turn JavaScript array into comma-separated list?
...that into a comma-separated list? (I know how to iterate through the array and build the string myself by concatenation if that's the only way.)
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Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...on on 32-bit iPhone, or $x2 == nil on 64-bit iPhone.
Run your application and see where debugger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(NSString*)$x2 length] == 0 to the condition.
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XML schema or DTD for logback.xml?
...ema or DTD for logback.xml file to have at least the very basic validation and auto-completion in IDEs like IDEA or Eclipse, but I never saw any solution.
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What's the strangest corner case you've seen in C# or .NET? [closed]
I collect a few corner cases and brain teasers and would always like to hear more. The page only really covers C# language bits and bobs, but I also find core .NET things interesting too. For example, here's one which isn't on the page, but which I find incredible:
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