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Shell equality operators (=, ==, -eq)
...#!/bin/bash script then I recommend using [[ instead. The doubled form has more features, more natural syntax, and fewer gotchas that will trip you up. Double quotes are no longer required around $a, for one:
$ [[ $a == foo ]]; echo "$?" # bash specific
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See also:
What's the difference be...
Fast Bitmap Blur For Android SDK
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How to throw std::exceptions with variable messages?
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X-Frame-Options Allow-From multiple domains
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I can't find the deprectated warning on MDN any more. Has Mozilla changed their opinion?
– thomaskonrad
Feb 3 '16 at 9:01
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SQL Server: Is it possible to insert into two tables at the same time?
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How do I determine the dependencies of a .NET application?
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Java String - See if a string contains only numbers and not letters
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What are the mechanics of short string optimization in libc++?
...rview of short string optimization (SSO). However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
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Can I call a constructor from another constructor (do constructor chaining) in C++?
...++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters:
class Foo {
public:
Foo(char x, int y=0); // combines two constructors (char) and (char, int)
// ...
};
Use an init method to share common code:
class Foo {
public:
Foo(cha...
Do I need elements in persistence.xml?
...of Hibernate, have a look at the Chapter2. Setup and configuration too for more details.
EDIT: Actually, If you don't mind not being spec compliant, Hibernate supports auto-detection even in Java SE. To do so, add the hibernate.archive.autodetection property:
<persistence-unit name="eventractor" ...