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Sort points in clockwise order?
...e other.
Using it you can construct a less-than relation to compare points and determine the order in which they should appear in the sorted array. But you have to define where is the beginning of that order, I mean what angle will be the starting one (e.g. the positive half of x-axis).
The code fo...
POSTing a @OneToMany sub-resource association in Spring Data REST
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You have to post the comment first and while posting the comment you can create an association posts entity.
It should look something like below :
http://{server:port}/comment METHOD:POST
{"author":"abc","content":"PQROHSFHFSHOFSHOSF", "post":"http://{serve...
Getting a File's MD5 Checksum in Java
...arwnikk It works fine in Java 8. MethodNotFound is not an exception from standard Java; perhaps you are talking about a compiler error? In any case, if it doesn't work for you, it's a local configuration problem, or a problem with other code.
– erickson
Jun 23 ...
Fastest way to check if a file exist using standard C++/C++11/C?
I would like to find the fastest way to check if a file exist in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
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How do you find out the caller function in JavaScript?
... alert("caller is " + Hello.caller);
}
Note that this feature is non-standard, from Function.caller:
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompa...
Add primary key to existing table
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drop constraint and recreate it
alter table Persion drop CONSTRAINT <constraint_name>
alter table Persion add primary key (persionId,Pname,PMID)
edit:
you can find the constraint name by using the query below:
select OBJECT_NAME(...
How to write loop in a Makefile?
I want to execute the following commands:
12 Answers
12
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Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...f using Ajax.BeginForm within Asp.net MVC 3 where unobtrusive validation and Ajax exist?
8 Answers
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Search and replace in bash using regular expressions
...is method, i.e. perl, awk, e.g.:
echo "$MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless there was a match on the first expression (due to lazy and evaluation). A...
WPF ToolBar: how to remove grip and overflow
In a nested WPF ToolBarPanel-ToolBar-Menu we want to get rid of the grip handle to the left and the overflow area to the right. they are both grayed out, but we'd like them to not be displayed at all.
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