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Where and why do I have to put the “template” and “typename” keywords?
...r can yield vastly different interpretations depending on what t means. If it's a type, then it will be a declaration of a pointer f. However if it's not a type, it will be a multiplication. So the C++ Standard says at paragraph (3/7):
Some names denote types or templates. In general, whenever a...
Why can I access private variables in the copy constructor?
I have learned that I can never access a private variable, only with a get-function in the class. But then why can I access it in the copy constructor?
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Data structure: insert, remove, contains, get random element, all at O(1)
...e keys are the elements in the data structure, and the values are their positions in the array.
insert(value): append the value to array and let i be its index in A. Set H[value]=i.
remove(value): We are going to replace the cell that contains value in A with the last element in A. let d be the la...
Intellij IDEA: Hotkey for “scroll from source”
...st IntelliJ IDEA, there is a keymap entry called "Select in Project View" with no default shortcut. Just add a shortcut key to it. No need for a plugin.
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pythonic way to do something N times without an index variable?
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A slightly faster approach than looping on xrange(N) is:
import itertools
for _ in itertools.repeat(None, N):
do_something()
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Stateless and Stateful Enterprise Java Beans
...tain their state in between method calls, why is my program acting the way it is?
7 Answers
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Renaming a virtualenv folder without breaking it
I've created folder and initialized a virtualenv instance in it.
10 Answers
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Detect Click into Iframe using JavaScript
I understand that it is not possible to tell what the user is doing inside an iframe if it is cross domain. What I would like to do is track if the user clicked at all in the iframe . I imagine a scenario where there is an invisible div on top of the iframe and the the div will just then ...
Fastest way to download a GitHub project
...ad the source code of the project Spring data graph example into my box. It has public read-only access. Is there is an extremely fast way of downloading this code?
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Dynamic Anonymous type in Razor causes RuntimeBinderException
...nary<string, object> expando = new ExpandoObject();
foreach (var item in anonymousDictionary)
expando.Add(item);
return (ExpandoObject)expando;
}
It's very easy to use:
return View("ViewName", someLinq.Select(new { x=1, y=2}.ToExpando());
Of course in your view:
@foreach ...