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What are some uses of template template parameters?
I've seen some examples of C++ using template template parameters (that is templates which take templates as parameters) to do policy-based class design. What other uses does this technique have?
...
How to center an element horizontally and vertically
...there are multiple lines of text - like this.
.parent {
height: 200px;
width: 400px;
background: lightgray;
text-align: center;
}
.parent > .child {
line-height: 200px;
}
<div class="parent">
<span class="child">I'm vertically/horizontally cen...
When to use virtual destructors?
...achieve what you would want from a virtual constructor. See parashift.com/c++-faq-lite/virtual-ctors.html
– cape1232
Oct 3 '13 at 12:58
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...programmers to recognize and challenge their unwarranted assumptions in C, C++ and their platforms.
23 Answers
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Hibernate Criteria returns children multiple times with FetchType.EAGER
...role")
@ElementCollection(fetch = FetchType.EAGER)
@BatchSize(size = 200)
private Set<Role> roles;
@OneToMany(fetch = FetchType.LAZY, mappedBy = "user")
@OrderBy("dateTime DESC")
protected List<Meal> meals;
...
}
DISTINCT doesn't help (DATA-JPA query):
@EntityGra...
What is the C runtime library?
... automate many common programming tasks that are not provided by the C and C++ languages."
8 Answers
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How to dump a table to console?
...depth9"] = { ["depth10"] = {1000}, 900}, 800},700},600},500}, 400 }, 300}, 200}, 100},
["ted"] = {true,false,"some text"},
"string2",
[function() return end] = function() return end,
75
}
print_table(t)
Output:
{
[1] = 'string1',
[2] = 50,
[3] = 'string2',
[4] = 7...
How do I read / convert an InputStream into a String in Java?
...length = 50100), url in github (mode = Average Time, system = Linux, score 200,715 is the best):
Benchmark Mode Cnt Score Error Units
8. ByteArrayOutputStream and read (JDK) avgt 10 200,715 ± 18,103 us/op
1. IOUtils.toString (Apache ...
Why are unnamed namespaces used and what are their benefits?
I just joined a new C++ software project and I'm trying to understand the design. The project makes frequent use of unnamed namespaces. For example, something like this may occur in a class definition file:
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Restrict varchar() column to specific values?
...ecify, for example 4 distinct values for a varchar column in MS SQL Server 2008?
4 Answers
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