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Rails select helper - Default selected value, how?
...ould do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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How do I calculate a point on a circle’s circumference?
...
The parametric equation for a circle is
x = cx + r * cos(a)
y = cy + r * sin(a)
Where r is the radius, cx,cy the origin, and a the angle.
That's pretty easy to adapt into any language with basic trig functions. Note that most...
Ideal way to cancel an executing AsyncTask
...ng = false;
}
@Override
protected Void doInBackground(Void... params) {
while (running) {
// does the hard work
}
return null;
}
// ...
}
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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
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You are correct, @RequestBody annotated parameter is expected to hold the entire body of the request and bind to one object, so you essentially will have to go with your options.
If you absolutely want your approach, there is a custom implementation that you can d...
Are PDO prepared statements sufficient to prevent SQL injection?
...prevent this attack for every possible command!
It's now exposed as a DSN parameter, which should be used instead of SET NAMES...
The Saving Grace
As we said at the outset, for this attack to work the database connection must be encoded using a vulnerable character set. utf8mb4 is not vulnerable...
How to add reference to a method parameter in javadoc?
Is there a way to add references to one or more of a method's parameters from the method documentation body?
Something like:
...
Android: How to Programmatically set the size of a Layout
...nearLayout layout = findViewById(R.id.numberPadLayout);
// Gets the layout params that will allow you to resize the layout
LayoutParams params = layout.getLayoutParams();
// Changes the height and width to the specified *pixels*
params.height = 100;
params.width = 100;
layout.setLayoutParams(params)...
What's the difference between passing by reference vs. passing by value?
...use the phrase predates it).
Now, the authentic definition is:
When a parameter is passed by reference, the caller and the callee use the same variable for the parameter. If the callee modifies the parameter variable, the effect is visible to the caller's variable.
When a parameter is passed by...
GET URL parameter in PHP
I'm trying to pass a URL as a url parameter in php but when I try to get this parameter I get nothing
9 Answers
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AngularJS : Where to use promises?
...nd function consumes the result of the first one:
var firstFn = function(param) {
// do something with param
return 'firstResult';
};
var secondFn = function(param) {
// do something with param
return 'secondResult';
};
secondFn(firstFn());
Now imagine that firstFn and sec...