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How to delete a record in Django models?
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There are a couple of ways:
To delete it directly:
SomeModel.objects.filter(id=id).delete()
To delete it from an instance:
instance = SomeModel.objects.get(id=id)
instance.delete()
s...
How to use the TextWatcher class in Android?
Can anyone tell me how to mask the substring in EditText or how to change EditText substring input to password type or replace by another character like this 123xxxxxxxxx3455
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Determine the path of the executing BASH script [duplicate]
...t accessible
# to the script (e.g. permissions re-evaled after suid)
exit 1 # fail
fi
echo "$MY_PATH"
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PHP: Count a stdClass object
...to count the indexes in an array, not the properties on an object, (unless it's a custom object that implements the Countable interface). Try casting the object, like below, as an array and seeing if that helps.
$total = count((array)$obj);
Simply casting an object as an array won't always work b...
When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
...pring I have a question about annotating a class. When annotating a class with @Component does this mean this class will be a Spring Bean and by default a singleton?
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How to hide databases that I am not allowed to access
When I connect to my Heroku - Postgresql database via pgAdmin3 , It lists all the tables (about 2600). Every time I open the pgAdmin3 I have to find my own database.
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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
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The params in a controller looks like a Hash, but it's actually an instance of ActionController::Parameters, which provides several methods such as require and permit.
The require method ensures that a specific parameter is present, and if it's not provided, the require me...
How do you connect localhost in the Android emulator? [duplicate]
I have made a php script inside localhost and I am connecting that with httpClient but I am getting a problem.
7 Answer...
jQuery: Test if checkbox is NOT checked
...onment-1").prop('checked') == true){
//do something
}
If you want to iterate over checked elements use the parent element
$("#parentId").find("checkbox").each(function(){
if ($(this).prop('checked')==true){
//do something
}
});
More info:
This works well because all checkb...
What does -save-dev mean in npm install grunt --save-dev
I've just started using Grunt.js . It is pretty hard to set up and I am at the point of creating a package.json file.
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