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What is a “surrogate pair” in Java?
...encoding, characters are mapped to values between 0x0 and 0x10FFFF.
Internally, Java uses the UTF-16 encoding scheme to store strings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complex...
Is element block level or inline level?
...ed" elements, since they do not have content per se, the element is essentially replaced by binary data.
* Note that browsers technically use display: inline (as seen in the developer tools) but they are giving special treatment to images. They still follow all traits of inline-block.
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Rails migrations: self.up and self.down versus change
... For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the inverse of create_table? It's drop_table. So in these cases rails know how to rollback and define a down method is superfluous (you can see in the documentation...
How to add multiple objects to ManyToMany relationship at once in Django ?
...o arguments, use *
add(*[obj1, obj2, obj3])
Addendum:
Django does not call obj.save() for each item but uses bulk_create(), instead.
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Spring - @Transactional - What happens in background?
I want to know what actually happens when you annotate a method with @Transactional ?
Of course, I know that Spring will wrap that method in a Transaction.
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Prevent nginx 504 Gateway timeout using PHP set_time_limit()
...hese settings to only one of my websites rather than the configuration for all websites on my server.
– Pamela
Jul 23 '14 at 21:22
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Nested function in C
...nction, but it's not a nested function.
gcc has a language extension that allows nested functions. They are nonstandard, and as such are entirely compiler-dependent.
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unsigned APK can not be installed
...trying to distribute my application to some people for testing.
I have installed it on my Desire directly from eclipse and it works fine.
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XML parsing of a variable string in JavaScript
...cript framework like jQuery to handle the cross-browsers differences.
A really basic example is:
var xml = "<music><album>Beethoven</album></music>";
var result = $(xml).find("album").text();
Note: As pointed out in comments; jQuery does not really do any XML parsing wha...
How to use glyphicons in bootstrap 3.0
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Hi all,I have done the same and followed up the structure but not getting the correct glyphicon...An unidentified 0101 type image is shown instead of glyphicon
– Shivang Gupta
Aug 13 '13 at...