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What is the difference between Collection and List in Java?
... defines an ordered Collection, other sub interfaces are Queue which typically will store elements ready for processing (e.g. stack).
The following diagram demonstrates the relationship between the different java collection types:
...
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...
“unary operator expected” error in Bash if condition
... you don't need to use two "[", which amounts to two processes ("[" is actually a program) instead of one.
It goes by this syntax: ${VARIABLE:-default}.
The whole thing has to be thought in such a way that this "default" value is something distinct from a "valid" value/content.
If that's not poss...
Using jQuery how to get click coordinates on the target element
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Thanks, because I personally confused with offset() and position(), for anyone need further clarification may read stackoverflow.com/questions/3202008/… for convenience sake
– simongcc
May 9 '14 at 3:24
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Difference between Python datetime vs time modules
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the time module is principally for working with unix time stamps; expressed as a floating point number taken to be seconds since the unix epoch. the datetime module can support many of the same operations, but provides a more object oriented set of t...
Select something that has more/less than x character
...e LENGTH function to the EmployeeName column). In Oracle, and probably in all other RDBMSs, this means that a regular index on EmployeeName will be useless to answer this query; the database will do a full table scan, which can be really costly.
However, various databases offer a function indexes ...
How does IPython's magic %paste work?
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You actually can copy code to IPython directly: you may have to first disable auto-indentation by entering %autoindent.
– Eric O Lebigot
Jan 15 '13 at 3:51
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Overlaying histograms with ggplot2 in R
...istogram(alpha = 0.2)
is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt.
What you want instead is to create three separate histograms, with alpha blending so that they are visible through each oth...
Pushing from local repository to GitHub hosted remote
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Are you actually typing '~origin~' or just 'origin'? You'd best avoid tilde as it means something to Git.
– GoZoner
May 13 '12 at 21:01
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jQuery - multiple $(document).ready …?
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All will get executed and On first Called first run basis!!
<div id="target"></div>
<script>
$(document).ready(function(){
jQuery('#target').append('target edit 1<br>');
});
$(document).rea...