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Removing items from a list [duplicate]
...toRemove = new ArrayList<Object>();
for(Object a: list){
if(a.getXXX().equalsIgnoreCase("AAA")){
toRemove.add(a);
}
}
list.removeAll(toRemove);
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Could not reserve enough space for object heap
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Run the JVM with -XX:MaxHeapSize=512m (or any big number as you need) (or -Xmx512m for short)
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How to evaluate http response codes from bash/shell script?
...not show the final request status if the result of the first request is a 3XX. For example if the returned value is a 301 redirect, then this script just stops there. If you add -IL, then you can get the final status. If you want to show all HTTP statuses for all requests, use my example below.
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Why does an overridden function in the derived class hide other overloads of the base class?
... virtual void copy(Base* p) { x = p-> x; }
};
class Derived{
int xx;
public:
virtual void copy(Derived* p) { xx = p->xx; Base::copy(p); }
};
void f(Base a, Derived b)
{
a.copy(&b); // ok: copy Base part of b
b.copy(&a); // error: copy(Base*) is hidden by copy(Derive...
Is there a way to 'uniq' by column?
...field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.net,127.0.0.1
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How do I clear/delete the current line in terminal?
...l + L
Toggle between the start of line and current cursor position: Ctrl + XX
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Keyword not supported: “data source” initializing Entity Framework Context
...DefaultConnection" connectionString="Data Source=localhost;Initial Catalog=xxx;Persist Security Info=True;User ID=xxx;Password=xxx" providerName="System.Data.SqlClient" />
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When to use the different log levels
...eeds. Sometimes it might be fatal, sometimes mearly a warning. If I got a 4xx from a critical service I depend on and cant continue it would be an Error/Fatal for my designs. If I was trying to cache some data for later use, but could live without it it would be a WARN. The only time I see it being ...
grant remote access of MySQL database from any IP address
...hether I try it with root or a new user: Can't connect to MySQL server on 'xxx.xxx.xxx.xxx' ([Errno 61] Connection refused)
– baermathias
Feb 6 '17 at 16:44
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Lombok is not generating getter and setter
...th of where your IDE is installed>
example usage:
java -jar lombok-x.xx.xx.jar install ~/Downloads/spring-tool-suite-3.9.1.RELEASE-e4.7.1a-linux-gtk-x86_64/sts-bundle/sts-3.9.1.RELEASE/
the above command basically makes a configuration update in your IDE .ini or configuration file something ...