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What makes Lisp macros so special?
...not had the privilege of using Lisp macros. As someone who wants to understand the buzz, please explain what makes this feature so powerful.
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How do I add a library project to Android Studio?
How do I add a library project (such as Sherlock ABS) to Android Studio ?
30 Answers
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A valid provisioning profile for this executable was not found for debug mode
...> clean all targets.
2) In "Groups & Files" -->Target --> expand it --> right click your app and select Clean "your app"
3) Goto->Window-->Organizer
4) In the Devices tab on the left, select your iphone
5) In the Provisioning section of the selected iphone delete all the cu...
PHP Function with Optional Parameters
... an array" suggestion - take a look at Walf's answer to a similar question and the more in-depth example in the same thread
– DJDave
Mar 16 '16 at 13:07
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How can I do an asc and desc sort using underscore.js?
...derscorejs for sort my json sorting. Now I have asked to do an ascending and descending sorting using underscore.js. I do not see anything regarding the same in the documentation. How can I achieve this?
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'const int' vs. 'int const' as function parameters in C++ and C
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const T and T const are identical. With pointer types it becomes more complicated:
const char* is a pointer to a constant char
char const* is a pointer to a constant char
char* const is a constant pointer to a (mutable) char
In o...
How to find list intersection?
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If order is not important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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What is the difference between JavaScript and ECMAScript?
What's the difference between ECMAScript and JavaScript? From what I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct?
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How does the extend() function work in jQuery?
...arameter.
Returns the first parameter.
This is useful for combining user and default option-objects together to get a complete set of options:
function foo(userOptions) {
var defaultOptions = {
foo: 2,
bar: 2
};
var someOtherDefaultOptions = {
baz: 3
};
var allOptions = jQu...
std::function and std::bind: what are they, and when should they be used?
I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
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