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Best way to extract a subvector from a vector?
Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
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How to Set Opacity (Alpha) for View in Android
...ton (or any other view) in your xml:
android:color="#66FF0000" // Partially transparent red
In the above example, the color would be a partially transparent red.
When defining the color of a view, the format can be either #RRGGBB or #AARRGGBB, where AA is the hex alpha value. FF would be full...
Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
I'm receiving the following error on a couple of Chrome browsers but not all. Not sure entirely what the issue is at this point.
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How do emulators work and how are they written? [closed]
...mulation:
Interpretation
Dynamic recompilation
Static recompilation
With all of these paths, you have the same overall goal: execute a piece of code to modify processor state and interact with 'hardware'. Processor state is a conglomeration of the processor registers, interrupt handlers, etc for ...
Run task only if host does not belong to a group
...ut-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
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Does Python SciPy need BLAS?
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The SciPy webpage used to provide build and installation instructions, but the instructions there now rely on OS binary distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then statically...
Fast stable sorting algorithm implementation in javascript
...g from a non-stable sort function.
Before sorting you get the position of all the elements.
In your sort condition, if both elements are equal, then you sort by the position.
Tada! You've got a stable sort.
I've written an article about it on my blog if you want to know more about this technique ...
Set a cookie to never expire
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All cookies expire as per the cookie specification, so this is not a PHP limitation.
Use a far future date. For example, set a cookie that expires in ten years:
setcookie(
"CookieName",
"CookieValue",
time() + (10 * 3...
Ruby class instance variable vs. class variable
...n store something common to that class without having sub-classes automatically also get them (and vice-versa). With class variables, you have the convenience of not having to write self.class from an instance object, and (when desirable) you also get automatic sharing throughout the class hierarchy...
Any way to Invoke a private method?
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when I've done this in the past, I've also called method.setAccessible(false) after calling the method, but I have no idea if this is necessary or not.
– shsteimer
May 19 '09 at 1:53
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