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What is the correct way to represent null XML elements?
... NULL value is returned.
xsi:nil is also used to indicate a valid element with no content even if that elements content type normally doesn't allow empty elements.
If an empty tag is used, getElementValue() returns the empty string ("")
If the tag is omitted, then no author tag is even present. Thi...
Purpose of memory alignment
Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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In Ruby, is there an Array method that combines 'select' and 'map'?
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I usually use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
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Wireshark localhost traffic capture [closed]
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If you're using Windows it's not possible - read below. You can use the local address of your machine instead and then you'll be able to capture stuff. See CaptureSetup/Loopback.
Summary: you can capture on the
loopback interface on Linux, on
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
This is a bit of my JS code for which this is needed:
14 Answers
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Java's L number (long) specification
It appears that when you type in a number in Java, the compiler automatically reads it as an integer, which is why when you type in (long) 6000000000 (not in integer's range) it will complain that 6000000000 is not an integer. To correct this, I had to specify 6000000000L . I just learned abo...
How to disable scrolling temporarily?
I'm using the scrollTo jQuery plugin and would like to know if it is somehow possible to temporarily disable scrolling on the window element through Javascript? The reason I'd like to disable scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;)
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IF… OR IF… in a windows batch file
Is there a way to write an IF OR IF conditional statement in a windows batch-file?
14 Answers
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Why do most fields (class members) in Android tutorial start with `m`?
I know about camel case rules, but I'm confused with this m rule. What does it stand for? I'm a PHP developer. "We" use first letters of variables as indication of type, like 'b' for boolean, 'i' for integer and so on.
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What resources are shared between threads?
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edited Mar 28 '19 at 9:44
Hearen
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