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Do DOM tree elements with ids become global variables?
...article about why global variables are bad. Simply put, having a bunch of extra global variables leads to more bugs. Let's say you accidentally type the name of a var and happen to type an id of a DOM node, SURPRISE!
Additionally, despite being standardized there are still quite a few discrepanci...
Comment Inheritance for C# (actually any language)
...class or namespace!
public class Foo
{
/// <inheritdoc cref="System.String.IndexOf" />
public void Bar() { ... } // this method will now have the documentation of System.String.IndexOf
}
share
|
...
How can I rename a database column in a Ruby on Rails migration?
...cord::Migration
def up
add_column :table, :correct_name_column_one, :string
add_column :table, :correct_name_column_two, :string
puts 'Updating correctly named columns'
execute "UPDATE table_name SET correct_name_column_one = old_name_column_one, correct_name_column_two = old_name...
AsyncTask threads never die
...t will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source code and vary by Android release).
Leave the AsyncTask threads alone, please.
...
What are the basic rules and idioms for operator overloading?
...oo {
public:
// Overloaded call operator
int operator()(const std::string& y) {
// ...
}
};
Usage:
foo f;
int a = f("hello");
Throughout the C++ standard library, function objects are always copied. Your own function objects should therefore be cheap to copy. If a functi...
Storing Python dictionaries
..., the foundational unit in json is the "Object", which is defined as { <string> : <value>}. Look familiar? The json module in the standard library supports every Python native type and can easily be extended with a minimal knowledge of json to support user-defined classes. The JSON homep...
Creating a new user and password with Ansible
...th pip install passlib. Then to be able to use an inline vault encrypted string i had to reformat with the following addition: password: {{ upassword | string | password_hash('sha512') }}. This avoids the error message secret must be unicode or bytes, not ansible.parsing.yaml.objects.AnsibleVaultE...
what is the difference between a portlet and a servlet?
... effect from normal servets (See Struts + Tiles for an example of how) the extra bit from the portlets is that the portlets are in a richer environment provided by the Portal, extra APIs are provided so that what is displayed by any portlet can be configured by individual users to their preferences,...
Resize HTML5 canvas to fit window
...y: block (it seemed to be defaulting to display: inline which was creating extra space!).
– Elisabeth
Apr 5 '12 at 22:00
15
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
...
got compile error on argument as valueOf() accepts a string.
– Patriotic
Jul 3 at 17:32
1
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