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How does python numpy.where() work?
...ys.
http://docs.scipy.org/doc/numpy/reference/generated/numpy.where.html
New Answer
It seems that the person was asking something more fundamental.
The question was how could YOU implement something that allows a function (such as where) to know what was requested.
First note that calling any of...
How can I get LINQ to return the object which has the max value for a given property? [duplicate]
...ic void Main(string[] args)
{
IEnumerable<Item> items1 = new List<Item>()
{
new Item(){ ClientID = 1, ID = 1},
new Item(){ ClientID = 2, ID = 2},
new Item(){ ClientID = 3, ID = 3},
new Item(){ ClientID = 4, ID = 4},
...
What does auto&& tell us?
...
The auto && syntax uses two new features of C++11:
The auto part lets the compiler deduce the type based on the context (the return value in this case). This is without any reference qualifications (allowing you to specify whether you want T, T & ...
Returning JSON from a PHP Script
... should use header() commands only in addition with output buffering to avoid "headers already sent" warnings
– Kevin
Jul 2 '14 at 16:51
6
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How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...
The new option is:
npm install --only=prod
If you want to install only devDependencies:
npm install --only=dev
share
|
imp...
What is the easiest way to duplicate an activerecord record?
...et a copy, use the clone (or dup for rails 3.1+) method:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give you a new (not saved to the DB) record wit...
How can I add reflection to a C++ application?
...tself. It allows functions to be called as follows:
MyClass *instance_ptr=new MyClass;
GetClass("MyClass")->GetFunction("Foo")->Invoke(instance_ptr,1.331);
This effectively does:
instance_ptr->Foo(1.331);
The Invoke(this_pointer,...) function has variable arguments. Obviously by calli...
Actionbar notification count icon (badge) like Google has
...otlist.findViewById(R.id.hotlist_hot);
updateHotCount(hot_number);
new MyMenuItemStuffListener(menu_hotlist, "Show hot message") {
@Override
public void onClick(View v) {
onHotlistSelected();
}
};
return super.onCreateOptionsMenu(menu);
}
// call ...
How did Google manage to do this? Slide ActionBar in Android application
...r.inflate(R.layout.menu_listitem, null);
MenuItem viewHolder = new MenuItem();
viewHolder.label = (TextView) rowView.findViewById(R.id.menu_label);
viewHolder.icon = (ImageView) rowView.findViewById(R.id.menu_icon);
rowView.setTag(viewHolder);
...
How do I add a Fragment to an Activity with a programmatically created content view
...le. Moving the fragment into the Activity as an inner class, or creating a new java file for the fragment fixes that.
The second issue is that when you're adding a fragment this way, you must pass a reference to the fragment's containing view, and that view must have a custom id. Using the default ...