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What is Java String interning?
...tents share same memory. So if you have list of names where 'john' appears 1000 times, by interning you ensure only one 'john' is actually allocated memory.
This can be useful to reduce memory requirements of your program. But be aware that the cache is maintained by JVM in permanent memory pool wh...
If statement in aspx page
I want to write a basic if statement on my site to display either item 1 or item 2 depending on if a variable is set to true.
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Select element by exact match of its content
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219
No, there's no jQuery (or CSS) selector that does that.
You can readily use filter:
$("p").fi...
Difference between a theta join, equijoin and natural join
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141
+50
A theta...
Evaluate empty or null JSTL c tags
...se the empty keyword in a <c:if> for this:
<c:if test="${empty var1}">
var1 is empty or null.
</c:if>
<c:if test="${not empty var1}">
var1 is NOT empty or null.
</c:if>
Or the <c:choose>:
<c:choose>
<c:when test="${empty var1}">
va...
undefined reference to boost::system::system_category() when compiling
I'm trying to compile a program on Ubuntu 11.10 that uses the Boost libraries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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Filling a DataSet or DataTable from a LINQ query result set
...()
where order.Field<DateTime>("OrderDate") > new DateTime(2001, 8, 1)
select order;
// Create a table from the query.
DataTable boundTable = query.CopyToDataTable<DataRow>();
Why won't that work for you?
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