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What are some uses of template template parameters?
I've seen some examples of C++ using template template parameters (that is templates which take templates as parameters) to do policy-based class design. What other uses does this technique have?
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How to set RelativeLayout layout params in code not in xml?
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Just a basic example:
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_LEFT, RelativeLayout.TRUE);
Button button1;
butto...
How to remove all the null elements inside a generic list in one go?
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You'll probably want the following.
List<EmailParameterClass> parameterList = new List<EmailParameterClass>{param1, param2, param3...};
parameterList.RemoveAll(item => item == null);
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Block Declaration Syntax List
...bject/primitive/etc. you'd like to pass as an argument (leave blank for no parameters)
varName be the variable name of the given parameter
And remember that you can create as many parameters as you'd like.
Blocks as Variables
Possibly the most common for of declaration.
return_type (^blockName)...
How do I grab an INI value within a shell script?
I have a parameters.ini file, such as:
27 Answers
27
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How to enumerate an enum
...Gets all items for an enum value.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value">The value.</param>
/// <returns></returns>
public static IEnumerable<T> GetAllItems<T>(this Enum value)
{
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Angular - ui-router get previous state
...ou're leaving):
$rootScope.$on('$stateChangeSuccess', function (ev, to, toParams, from, fromParams) {
//assign the "from" parameter to something
});
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Rails 4 - Strong Parameters - Nested Objects
...n array. In your case it would be
Update as suggested by @RafaelOliveira
params.require(:measurement)
.permit(:name, :groundtruth => [:type, :coordinates => []])
On the other hand if you want nested of multiple objects then you wrap it inside a hash… like this
params.require(:foo)...
How to set layout_gravity programmatically?
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Java
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
params.weight = 1.0f;
params.gravity = Gravity.TOP;
button.setLayoutParams(params);
Kotlin
val params = LinearLayout.Lay...
Can Selenium interact with an existing browser session?
...ion_id #'4e167f26-dc1d-4f51-a207-f761eaf73c31'
Use these two parameter to connect to your driver.
driver = webdriver.Remote(command_executor=url,desired_capabilities={})
driver.close() # this prevents the dummy browser
driver.session_id = session_id
And you are connected to your ...