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How do you create optional arguments in php?
...ument must be a constant expression. It can't be a variable or a function call.
If you need this functionality however:
function foo($foo, $bar = false)
{
if(!$bar)
{
$bar = $foo;
}
}
Assuming $bar isn't expected to be a boolean of course.
...
WPF TextBox won't fill in StackPanel
...s meant for "stacking" things even outside the visible region, so it won't allow you to fill remaining space in the stacking dimension.
You can use a DockPanel with LastChildFill set to true and dock all the non-filling controls to the Left to simulate the effect you want.
<DockPanel Background...
jQuery duplicate DIV into another DIV
...matched
elements, meaning that it copies the matched elements as well as all
of their descendant elements and text nodes. When used in conjunction
with one of the insertion methods, .clone() is a convenient way to
duplicate elements on a page.
...
Rails mapping array of hashes onto single hash
...ARAM1"=>"testVAL1"}
Reducing an array sort of like sticking a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b =...
Performance - Date.now() vs Date.getTime()
...
These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whateve...
How do I concatenate or merge arrays in Swift?
...ith Sequence's flatMap(_:) method
Swift provides a flatMap(_:) method for all types that conform to Sequence protocol (including Array). flatMap(_:) has the following declaration:
Returns an array containing the concatenated results of calling the given transformation with each element of this ...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
I would like to load all objects that have a textual tag set to any of a small but arbitrary number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (...
Persistent invalid graphics state error when using ggplot2
...cs and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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MySQL - ORDER BY values within IN()
... direction after each part. The equality check would have a value of 1 and all the rest would be 0, so I would need the one that passed the check, to come up first.
– The Unknown Dev
Sep 16 at 21:29
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How should I copy Strings in Java?
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@GriffeyDog: I am reading the question less literally. What I am saying is that it is safe to give out references to a string object without fear that someone might modify the string.
– NPE
May 15 '12 at 20:12
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