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Eclipse error: “The import XXX cannot be resolved”
...f you import a maven project as "Java project" then this problem is occur. Convert project to maven project and update as you said then the problem is gone.
– kodmanyagha
Jun 26 '18 at 22:53
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character showing up in files. How to remove them?
...but a BOM with the bytes reversed. It could happen on any platform, if you convert UTF-16 to UTF-8 and get the byte-order wrong (even though the purpose of the BOM is to prevent that error!)
– tripleee
Nov 24 '14 at 16:38
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Changing column names of a data frame
...e called). The lesson here is, "don't write your code in an 'editor' that converts quotes to smart-quotes".
names(newprice)[1]<-paste(“premium”) # error
names(newprice)[1]<-paste("premium") # works
Also, you don't need paste("premium") (the call to paste is redundant) and it's a good...
How to use Servlets and Ajax?
... further. It allows for more dynamics. First, you'd like to have a tool to convert between Java objects and JSON strings. There are plenty of them as well (see the bottom of this page for an overview). My personal favourite is Google Gson. Download and put its JAR file in /WEB-INF/lib folder of your...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
...Probably because you're using unsafe code.
Are you doing something with pointers or unmanaged assemblies somewhere?
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What does map(&:name) mean in Ruby?
...oo method, and used the & to signify that it has a to_proc method that converts it into a Proc.
This is very useful when you want to do things point-free style. An example is to check if there is any string in an array that is equal to the string "foo". There is the conventional way:
["bar", "...
Insert space before capital letters
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Here is what i ended up using to convert a string to a title case, based on a few of the answers here:
str = str
.replace(/(_|-)/g, ' ')
.trim()
.replace(/\w\S*/g, function(str) {
return str.charAt(0).toUpperCase() + str.substr(1)
})
.repla...
Fastest Way of Inserting in Entity Framework
I'm looking for the fastest way of inserting into Entity Framework.
30 Answers
30
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JPA: what is the proper pattern for iterating over large result sets?
...e's my solution using JPA:
private List<Model> getAllModelsIterable(int offset, int max)
{
return entityManager.createQuery("from Model m", Model.class).setFirstResult(offset).setMaxResults(max).getResultList();
}
then, use it like this:
private void iterateAll()
{
int offset = 0;
...
val-mutable versus var-immutable in Scala
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tl;dr: prefer var x: Set[Int] over val x: mutable.Set[Int] since if you pass x to some other function, in the former case, you are sure, that function cannot mutate x for you.
– pathikrit
Oct 3 '15 at 18:30
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