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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...init}" /> inside the <f:metadata> to do initialization/preloading based on the set values. Since JSF 2.2 you could use <f:viewAction> for that instead.
Allows for nested <f:converter> and <f:validator> for more fine-grained conversion/validation. Even a <h:message> ...
Best way to represent a fraction in Java?
...)
{
//Implementation note: A fraction can be represented exactly in base-10 iff its
//denominator is of the form 2^a * 5^b, where a and b are nonnegative integers.
//(In other words, if there are no prime factors of the denominator except for
//2 and 5, or if the denominator is 1)...
Table is marked as crashed and should be repaired
...
Run this from your server's command line:
mysqlcheck --repair --all-databases
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Difference between Git and GitHub
...centralised version control systems.
What is GitHub:
"GitHub is a web-based Git repository hosting service, which offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features."
Github provides access control and severa...
When to use f:viewAction / preRenderView versus PostConstruct?
... the @PostConstruct annotation? Is the rationale to use one or the other based on the type of scope of the backing bean e.g. If the backing bean is @RequestScoped , then would the choice of using f:viewAction or preRenderView over @PostConstruct to initialize your backing bean prior to rend...
What is a StoryBoard ID and how can i use this?
...board ID is a String field that you can use to create a new ViewController based on that storyboard ViewController. An example use would be from any ViewController:
//Maybe make a button that when clicked calls this method
- (IBAction)buttonPressed:(id)sender
{
MyCustomViewController *vc = [se...
How to force JS to do math instead of putting two strings together
...t.getElementById("txt").value, 10);
Note: The 10 here specifies decimal (base-10). Without this some browsers may not interpret the string correctly. See MDN: parseInt.
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How do you get current active/default Environment profile programmatically in Spring?
I need to code different logic based on different current Environment profile. How can you get the current active and default profiles from Spring?
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...Getting close.
Now, what if this anonymous UDT were to derive from some base?
struct bar {}; // base UDT
struct : bar {} foo; // anonymous derived UDT, and instance thereof
Finally, C++11 introduces extended initialisers, such that we can do confusing things like this:
int x{0};
And...
Plot logarithmic axes with matplotlib in python
...ing for how to use an axis for powers of two: pylab.gca().set_xscale('log',basex=2)
– zje
Apr 12 '12 at 20:16
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