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What are the main disadvantages of Java Server Faces 2.0?
...lot of criticism. See also a.o. JSF/Facelets: why is it not a good idea to mix JSF/Facelets with HTML tags?
JSF 1.2 (May 2006)
This was the first release of the new JSF development team lead by Ryan Lubke. The new team did a lot of great work. There were also changes in the spec. The major change ...
Using braces with dynamic variable names in PHP
...s will now be evaluated strictly in left-to-right order, as opposed to the mix of special cases in PHP5. The examples below show how the order of evaluation has changed.
Case 1 : $$foo['bar']['baz']
PHP5 interpetation : ${$foo['bar']['baz']}
PHP7 interpetation : ${$foo}['bar']['baz']
Case 2 : $foo...
What is object serialization?
What is meant by "object serialization"? Can you please explain it with some examples?
14 Answers
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Get the POST request body from HttpServletRequest
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I prefer this solution due to it's a pure Java without any 3rd party dependency.
– lu_ko
Aug 31 '16 at 13:32
51
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Cannot add or update a child row: a foreign key constraint fails
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Hmm... it's definitely not a good idea to mix named parameters with unnamed parameters in your prepared statement. it should be "values (?, ?, ?, ?)" with the appropriate value for UserID specified in your execute statement.
– Brian Driscoll
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
11 Answers
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“:” (colon) in C struct - what does it mean? [duplicate]
...e bit field.
A quick sample illustrates this nicely. Interestingly, with mixed types the compiler seems to default to sizeof (int).
struct
{
int a : 4;
int b : 13;
int c : 1;
} test1;
struct
{
short a : 4;
short b : 3;
} test2;
struct
{
char a : 4;
ch...
private final static attribute vs private final attribute
... this with an instance variable: in that case, there's one independent version of the variable per instance of the class. So for example:
Test x = new Test();
Test y = new Test();
x.instanceVariable = 10;
y.instanceVariable = 20;
System.out.println(x.instanceVariable);
prints out 10: y.instanceVa...
How do I get started with Node.js [closed]
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You can follow these tutorials to get started
Tutorials
NodeSchool.io interactive lessons
The Art of Node (an introduction to Node.js)
Hello World
Hello World Web Server (paid)
Node.js guide
Build a blog with Node.js, express and MongoDB
Node.js for Beginners
Learn Node.js Completely ...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...by String Pool ? And what is the difference between the following declarations:
5 Answers
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