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Match multiline text using regular expression
...erwise they only match at the start/end of the entire string).
Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too.
Second, in your case, the regex fails because you're using the matches() method which expects the regex to match the entire string - which of course d...
What's the difference between SoftReference and WeakReference in Java?
... strong enough to
force an object to remain in memory.
Weak references allow you to leverage
the garbage collector's ability to
determine reachability for you, so you
don't have to do it yourself. You
create a weak reference like this:
WeakReference weakWidget = new WeakReference(widget...
“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
...
I had this issue in VS2012, however the solution and all projects were set to Debug with no optimization. I clean solution/rebuild fixed it for me.
– saarp
Feb 13 '13 at 19:52
...
Spring Data JPA - “No Property Found for Type” Exception
...e:
When Spring Data creates a new Repository implementation, it analyzes all the methods defined by the interfaces and tries to automatically generate queries from the method name. While this has limitations, it is a very powerful and elegant way of defining new custom access methods with very lit...
app-release-unsigned.apk is not signed
...
Should we set Debuggable to false when actually generating the release APK for prod? or will studio do that on its own?
– Ishaan Garg
Sep 16 '16 at 15:17
...
Version vs build in Xcode
...ortVersionString (Version) and CFBundleVersion (Build).
The Version is usually used how you appear to have been using it with Xcode 3. I'm not sure on what level you're asking about the Version/Build difference, so I'll answer it philosophically.
There are all sorts of schemes, but a popular one i...
How to asynchronously call a method in Java
...ve something similar in Java. As far as I've searched the common way to parallelize a method call is to do something like:
...
How do I determine the current operating system with Node.js
... the OS module better, it's even in the documentation. os.platform specifically
– alessioalex
Dec 30 '11 at 20:58
94
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Django gives Bad Request (400) when DEBUG = False
...
The ALLOWED_HOSTS list should contain fully qualified host names, not urls. Leave out the port and the protocol. If you are using 127.0.0.1, I would add localhost to the list too:
ALLOWED_HOSTS = ['127.0.0.1', 'localhost']
You...
Is there a performance difference between i++ and ++i in C++?
...
However, if i is an instance of a C++ class, then i++ and ++i are making calls to one of the operator++ functions. Here's a standard pair of these functions:
Foo& Foo::operator++() // called for ++i
{
this->data += 1;
return *this;
}
Foo Foo::operator++(int ignored_dummy_value) ...