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Rails: fields_for with index?
Is there a method (or way to pull off similar functionality) to do a fields_for_with_index ?
9 Answers
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Where does gcc look for C and C++ header files?
...print-prog-name=cc1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C preprocessor:
`gcc -print-prog-name=cpp` -v
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How Many Seconds Between Two Dates?
...(Seconds_from_T1_to_T2);
A handy source for future reference is the MDN site
Alternatively, if your dates come in a format javascript can parse
var dif = Date.parse(MM + " " + DD + ", " + YYYY) - Date.parse(NN + " " + EE + ", " + ZZZZ);
and then you can use that value as the difference in mill...
Centering a background image, using CSS
...age: url(path-to-file/img.jpg);
background-repeat:no-repeat;
background-position: center center;
That should work.
If not, why not make a div with the image and use z-index to make it the background? This would be much easier to center than a background image on the body.
Other than that try:
b...
MySQL, update multiple tables with one query
...nd Orders. In case, we increase the number of books in a particular order with Order.ID = 1002 in Orders table then we also need to reduce that the total number of books available in our stock by the same number in Books table.
UPDATE Books, Orders
SET Orders.Quantity = Orders.Quantity + 2,
Book...
How to format a java.sql Timestamp for displaying?
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edited Mar 22 '18 at 12:12
Rodrigue
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Is there a Mutex in Java?
...t in java or a way to create one?
I am asking because a Semaphore object initialized with 1 permit does not help me.
Think of this case:
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Unittest setUp/tearDown for several tests
...ise your best bet is probably going to be to create your own derived TestSuite and override run(). All other calls would be handled by the parent, and run would call your setup and teardown code around a call up to the parent's run method.
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What happened to “HelveticaNeue-Italic” on iOS 7.0.3
Just upgraded my iPod touch to iOS 7.0.3 and "HelveticaNeue-Italic" seems to have disappeared. When I query on the phone with:
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UITableViewHeaderFooterView: Unable to change background color
I'm trying to change the background color of UITableViewHeaderFooterView. Although the view is appearing, the background color remains the default color. I'm getting a log from xcode saying:
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