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How to Create Deterministic Guids
...gles the mind that they don't update the RFC in-place with the corrections from the errata. Even a link at the end of the document would be vastly more helpful than relying on the reader to remember to search for errata (hopefully before writing an implementation based on the RFC...).
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Hibernate, @SequenceGenerator and allocationSize
... lastSourceValue.copy().multiplyBy( maxLo+1 )" is used to get a next id 10 from the 2 returned from the DB sequence. It seems only bothering thing was during the frequent server restart and this was my issue with the larger gap.
So, when we use the SEQUENCE ID, the inserted id in the table will no...
How do I iterate over a JSON structure? [duplicate]
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Taken from jQuery docs:
var arr = [ "one", "two", "three", "four", "five" ];
var obj = { one:1, two:2, three:3, four:4, five:5 };
jQuery.each(arr, function() {
$("#" + this).text("My id is " + this + ".");
return (this != "fo...
Should I inherit from std::exception?
...ecommend that application-specific exception classes in C++ should inherit from std::exception . I'm not clear on the benefits of this approach.
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How can I parse a JSON file with PHP? [duplicate]
...y':{'status','nested'}}, 'Suzy':{'status:'waiting'} } is indistinguishable from {'John':{'status':'waiting'}, 'Mary':{'status','nested'}, 'Suzy':{'status:'waiting'} }. That Mary is a structural child of John is lost.
– Jesse Chisholm
Aug 29 '15 at 23:51
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Check if bash variable equals 0 [duplicate]
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I am getting depth as a result from another program. I tried to echo it and there was nothing in the output. However, when I use [[]] as @Jacek Dominiak suggested, script works correctly (what is quite strange if variable is really unset). I have to admit ...
How to create multidimensional array
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Quote taken from Data Structures and Algorithms with JavaScript
The Good Parts (O’Reilly, p. 64). Crockford extends the JavaScript
array object with a function that sets the number of rows and columns
and sets each value to a ...
How to sort a list of lists by a specific index of the inner list?
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This is a job for itemgetter
>>> from operator import itemgetter
>>> L=[[0, 1, 'f'], [4, 2, 't'], [9, 4, 'afsd']]
>>> sorted(L, key=itemgetter(2))
[[9, 4, 'afsd'], [0, 1, 'f'], [4, 2, 't']]
It is also possible to use a lambda function her...
What's the difference between session.Merge and session.SaveOrUpdate?
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This is from section 10.7. Automatic state detection of the Hibernate Reference Documentation:
saveOrUpdate() does the following:
if the object is already persistent in this session, do nothing
if another object associa...
How do I interpolate strings?
I want to do the following in C# (coming from a Python background):
15 Answers
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