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Increment a database field by 1
...strated in his answer).
Inserting a new entry:
Or perhaps you're looking for something like INSERT...MAX(logins)+1? Essentially you'd run a query much like the following - perhaps a bit more complex depending on your specific needs:
INSERT into mytable (logins)
SELECT max(logins) + 1
FROM m...
How do I convert a Java 8 IntStream to a List?
I'm looking at the docs for the IntStream , and I see an toArray method, but no way to go directly to a List<Integer>
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What is the use of “assert” in Python?
...nning the assert with a (condition, message) tuple as first parameter.
As for disabling them, when running python in optimized mode, where __debug__ is False, assert statements will be ignored. Just pass the -O flag:
python -O script.py
See here for the relevant documentation.
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Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
...lso u are saying that @Column definition does something different when its foreign key (Person) and when it is not foreign key (as there is no referenced entity to disable updating). By reading javadoc for updatable I would say that it will just disable to change Person for given Address if it is on...
AsyncTaskLoader vs AsyncTask
...l be just re-used basing on Loader ID that registered in Loader Manager before, so avoid re-executing network transaction.
In summary, AsyncTaskLoader prevent duplication of background threads and eliminate duplication of zombie activities.
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Will Dart support the use of existing JavaScript libraries?
...although I didn't see an answer there. Also a search on their discussion form for the word 'existing' turns up 3 results that are not related.
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Android webview & localStorage
...ich may access to the localStorage by an HTML5 app. The test.html file informs me that local
storage is'nt supported by my browser (ie. the webview ). If you have any suggestion..
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jQuery hide element while preserving its space in page layout
...ompletion so might also provide a solution here, rather than using fadeOut for example:
jQuery, hide a div without disturbing the rest of the page
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Setting individual axis limits with facet_wrap and scales = “free” in ggplot2
...residuals. I'll be using shiny to help explore the results of modeling efforts using different training parameters. I train the model with 85% of the data, test on the remaining 15%, and repeat this 5 times, collecting actual/predicted values each time. After calculating the residuals, my data.fr...
What are the differences between the BLOB and TEXT datatypes in MySQL?
...ve associated with time. BLOB and BINARY simply store bytes.
BLOB is used for storing binary data while Text is used to store large string.
BLOB values are treated as binary strings (byte strings). They have no character set, and sorting and comparison are based on the numeric values of the bytes ...