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JPA and Hibernate - Criteria vs. JPQL or HQL
What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
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Pointer expressions: *ptr++, *++ptr and ++*ptr
...ello";
declares p as a pointer to char. When we say "pointer to a char", what does that mean? It means that the value of p is the address of a char; p tells us where in memory there is some space set aside to hold a char.
The statement also initializes p to point to the first character in the s...
Check free disk space for current partition in bash
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Good observation. That's precisely what the last sentence of the answer states. @YzmirRamirez ;-)
– trs
Aug 25 '19 at 16:38
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Can you do a partial checkout with Subversion?
...2002-December/030947.html
# and here: http://nedbatchelder.com/blog/201003/whats_the_point_of_ospathcommonprefix.html
# and here (what ever happened?): http://bugs.python.org/issue400788
from itertools import takewhile
def allnamesequal(name):
return all(n==name[0] for n in name[1:])
def common...
How to find all duplicate from a List? [duplicate]
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For what it's worth, here is my way:
List<string> list = new List<string>(new string[] { "cat", "Dog", "parrot", "dog", "parrot", "goat", "parrot", "horse", "goat" });
Dictionary<string, int> wordCount = new Di...
JavaScript closures vs. anonymous functions
A friend of mine and I are currently discussing what is a closure in JS and what isn't. We just want to make sure we really understand it correctly.
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Disable IPython Exit Confirmation
...arted using "Quit" key combination.
Ctrl+\
or
Ctrl+4
This just kills what is running. No time to ask questions on confirmation.
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Forward host port to docker container
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How does the container know what IP to send requests to? I can hardcode the value(172.17.42.1 here and on my test rig, but is that always true?), but that seems to go against the docker principles of working with any host!
– JP.
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How to make overlay control above all other controls?
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<!-- Add controls as needed -->
</Grid>
<!-- Use whatever layout you need -->
<ContentControl x:Name="MainContent" />
</Grid>
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What reason is there to use null instead of undefined in JavaScript?
...efined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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