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Scala: what is the best way to append an element to an Array?
... imageUploader: {
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...s the rfind solution does not depend on any optimization. rfind's behavior by definition is to only look at a single index when given pos=0, hence it is always an efficient check. Which syntax is more pleasant is a matter of preference.
– Yuval
Sep 11 at 0:26
...
Plot two graphs in same plot in R
...ave access to graphical object on every stage of plotting. Say, usual step-by-step setup can look like this:
g <- ggplot(df, aes(x))
g <- g + geom_line(aes(y=y1), colour="red")
g <- g + geom_line(aes(y=y2), colour="green")
g
g produces the plot, and you can see it at every stage (well, a...
How do I grab an INI value within a shell script?
...cialized ini parser like crudini, as there are many edge cases not handled by the above
– pixelbeat
Oct 27 '15 at 11:30
3
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Catching “Maximum request length exceeded”
...
@sam-rueby I didn't want to reply on a string error message that could change due to localisation.
– Damien McGivern
Feb 12 '12 at 19:15
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Singleton with Arguments in Java
... very clear: a singleton with parameters is not a singleton.
A singleton, by definition, is an object you want to be instantiated no more than once. If you are trying to feed parameters to the constructor, what is the point of the singleton?
You have two options. If you want your singleton to be i...
Advantages of Binary Search Trees over Hash Tables
... outputs have to exist in the array. The hash values can simply be modded by the length of the array to allow a smaller array. Of course, the ultimate number of elements being added may not be known, so the hash table may still allocate more space than is necessary. Binary search trees can waste ...
Entity Framework: There is already an open DataReader associated with this Command
... to memory, that way you will not have the reader open.
It is often caused by iterating through a resultset while trying to open another result set.
Sample Code:
public class MyContext : DbContext
{
public DbSet<Blog> Blogs { get; set; }
public DbSet<Post> Posts { get; set; }
}...
Is there a way to use two CSS3 box shadows on one element?
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Input with display:block is not a block, why not?
...ts Internet Explorer 6 and Internet Explorer 7 via a behaviour written by Erik Arvidsson with some tweaks from Dean Edwards to support percentage and other non-pixel widths.
Working example
Behaviour (boxsizing.htc)
sha...