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Best practice for instantiating a new Android Fragment
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If Android decides to recreate your Fragment later, it's going to call the no-argument constructor of your fragment. So overloading the constructor is not a solution.
With that being said, the way to pass stuff to your Fragment so that they are available after a Fragment is r...
Symfony2 : How to get form validation errors after binding the request to the form
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You have two possible ways of doing it:
do not redirect user upon error and display {{ form_errors(form) }} within template file
access error array as $form->getErrors()
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Homebrew’s `git` not using completion
When using OSX’s git, after I modify a file I can simply do git commit <tab> , and that’ll auto complete the file’s name to the one that was modified. However, if I install a newer version of git from homebrew and I use it, that feature no longer works (meaning I press <tab> and...
SQL Server : Columns to Rows
... use the UNPIVOT function to convert the columns into rows:
select id, entityId,
indicatorname,
indicatorvalue
from yourtable
unpivot
(
indicatorvalue
for indicatorname in (Indicator1, Indicator2, Indicator3)
) unpiv;
Note, the datatypes of the columns you are unpivoting must be the same ...
Determining the current foreground application from a background task or service
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With regards to "2. How my background application can know what the application currently running in the foreground is."
Do NOT use the getRunningAppProcesses() method as this returns all sorts of system rubbish from my expe...
How to find out where a function is defined?
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You could also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
print $reflFunc->getFileName() . ':' . $reflFunc->getStartLine();
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Difference between a virtual function and a pure virtual function [duplicate]
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A virtual function makes its class a polymorphic base class. Derived classes can override virtual functions. Virtual functions called through base class pointers/references will be resolved at run-time. That is, the dynamic type of the object is used...
Origin null is not allowed by Access-Control-Allow-Origin
I have made a small xslt file to create an html output called weather.xsl with code as follows:
7 Answers
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Undoing a git rebase
Does anybody know how to easily undo a git rebase?
18 Answers
18
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remove None value from a list without removing the 0 value
This was my source I started with.
10 Answers
10
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