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Difference between using bean id and name in Spring configuration file
Is there any difference between using an id attribute and name attribute on a <bean> element in a Spring configuration file?
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Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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405 method not allowed Web API
This error is very common, and I tried all of the solutions and non of them worked. I have disabled WebDAV publishing in control panel and added this to my web config file:
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Immutable vs Unmodifiable collection
... anymore. It just makes sure that the collection itself cannot be altered (and not by wrapping, but by copying). The objects which are present in the collection can still be altered, and no guarantee is given on those.
– Hiery Nomus
Jan 17 '12 at 9:44
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JS - get image width and height from the base64 code
...ve a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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C++ Object Instantiation
I'm a C programmer trying to understand C++. Many tutorials demonstrate object instantiation using a snippet such as:
9 An...
Paste a multi-line Java String in Eclipse [duplicate]
...ter enabling the feature you still have to first write two quotation marks and then paste the text inside those marks.
– Lycha
Jul 29 '10 at 13:18
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How many and which are the uses of “const” in C++?
...y obscure to me, one of these is const . You can use it in so many places and with so many different effects that is nearly impossible for a beginner to come out alive. Will some C++ guru explain once forever the various uses and whether and/or why not to use them?
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String difference in Bash
.... I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...ND_ROWS?
Just a quick summary: Peter says that it depends on your indexes and other factors. Many of the comments to the post seem to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries.
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