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Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
...igated this issue, referring to the LayoutInflater docs and setting up a small sample demonstration project. The following tutorials shows how to dynamically populate a layout using LayoutInflater.
Before we get started see what LayoutInflater.inflate() parameters look like:
resource: ID for an X...
Skip a submodule during a Maven build
...your CI, you would run maven with the ci profile, i.e. mvn -P ci clean install
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iPhone - Grand Central Dispatch main thread
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Dispatching a block to the main queue is usually done from a background queue to signal that some background processing has finished e.g.
- (void)doCalculation
{
//you can use any string instead "com.mycompany.myqueue"
dispatch_queue_t backgroundQueue = dispat...
Setting Short Value Java
... foo = (byte)0;
short bar = (short)0;
In your setLongValue(100L) method call, you don't have to necessarily include the L suffix because in this case the int literal is automatically widened to a long. This is called widening primitive conversion in the Java Language Specification.
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Difference between class and type
...able of reference type always holds the value of a reference to an object. All objects, including arrays, support the methods of class Object. The reference types are class types (including enum types), interface types, and array types.
Every piece of data has a type which defines its structure, ...
Why are unsigned int's not CLS compliant?
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Not all languages have the concept of unsigned ints. For example VB 6 had no concept of unsigned ints which I suspect drove the decision of the designers of VB7/7.1 not to implement as well (it's implemented now in VB8).
To quote...
Get $_POST from multiple checkboxes
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Set the name in the form to check_list[] and you will be able to access all the checkboxes as an array($_POST['check_list'][]).
Here's a little sample as requested:
<form action="test.php" method="post">
<input type="checkbox" name="check_list[]" value="value 1">
<input t...
Why is Maven downloading the maven-metadata.xml every time?
Below is the error I usually get when my internet connection is flanky when trying to build a web application with maven.
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How do I “git blame” a deleted line?
...an I find when a line that existed in a specific previous commit was eventually deleted. I'm thinking bisect , but I was hoping for something handier.
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