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How to use Class in Java?
... Static method always needs explicit <T> declaration; It wont derive from class level Class<T>. This is because of Class level T is bound with instance.
Also read Restrictions on Generics
Wildcards and Subtyping
type argument for a generic method
...
How to Define Callbacks in Android?
...ires me to edit the source path on it. So how would i carry out "callBack" from an old activity to a new activity?
– Antoine Murion
Apr 20 '15 at 8:41
3
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How to log something in Rails in an independent log file?
... the standard development.log or production.log. I want to do this logging from a model class.
9 Answers
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Determine if Python is running inside virtualenv
....base_prefix is the prefix of the system Python the virtualenv was created from.
The above always works for Python 3 stdlib venv and for recent virtualenv (since version 20). Older versions of virtualenv used sys.real_prefix instead of sys.base_prefix (and sys.real_prefix did not exist outside a vir...
How do I use JDK 7 on Mac OSX?
...it helps.
I Downloaded the latest OpenJDK 1.7 universal (32/64 bits) JDK
from Mac OS/X branch from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
copied the jdk to /Library/Java/JavaVirtualMachines/ next to the
default 1.6.0 one
In Eclipse > Preferences >...
Detecting input change in jQuery?
...g into a text field, pasting, undoing, basically anytime the value changed from one value to another.
In jQuery do that like this
$('#someInput').bind('input', function() {
$(this).val() // get the current value of the input field.
});
starting with jQuery 1.7, replace bind with on:
$('#so...
What are namespaces?
... with the name: Controller.php which is in the path:
app/Http/Controllers from the project’s root directory
There is also another controller class named: Controller.php, but this one is in the path:
vendor/laravel/framework/src/Illuminate/Routing from the project’s root directory
You don’t ...
Why is conversion from string constant to 'char*' valid in C but invalid in C++
...https%3a%2f%2fstackoverflow.com%2fquestions%2f20944784%2fwhy-is-conversion-from-string-constant-to-char-valid-in-c-but-invalid-in-c%23new-answer', 'question_page');
}
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Post as a guest
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How to set or change the default Java (JDK) version on OS X?
...
This did not work for me. Grab the path from running java_home -V and add this to the export command, like this export JAVA_HOME="/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home"
– oden
Nov 28 '14 at 1:04
...
How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...