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Using scanf() in C++ programs is faster than using cin?
...very interesting problem, check it out):
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=35&page=show_problem&problem=1080
I was getting TLE (time limit exceeded) on my submissions. On these problem solving online judge sites, you have about a 2-3 se...
static files with express.js
... set false or to supply a new index pass a string or an array in preferred order.
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How to Update Multiple Array Elements in mongodb
...ave to be searched, and have to load all of them (or the nested arrays) in order to update... + also a bit troublesome to implement if this has to be done asynchronously...
– Ixx
Oct 1 '13 at 20:24
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Regex to match string containing two names in any order
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The expression in this answer does that for one jack and one james in any order.
Here, we'd explore other scenarios.
METHOD 1: One jack and One james
Just in case, two jack or two james would not be allowed, only one jack and one james would be valid, we can likely design an expression similar to:
...
Python circular importing?
... get away with it. But when one of your co-workers innocently changes the order of definitions in a third module, the code will break.
In some cases you can resolve circular dependencies by moving an import statement down below symbol definitions needed by other modules. In the examples above, def...
Build tree array from flat array in javascript
...son file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...:string];
break;
}
case RMAppReceiptASN1TypeWebOrderLineItemID:
_webOrderLineItemID = RMASN1ReadInteger(&p, length);
break;
case RMAppReceiptASN1TypeCancellationDate:
{
NSString *string = RMASN1ReadIA5SString(&p,...
How does JavaScript .prototype work?
...roviding extends as the "one true way" to configure the prototype chain in order to simulate classical inheritance in JavaScript.
So, similar to the code above, if you use the class syntax to create a new object like so:
class Parent { inheritedMethod() { return 'this is inherited' } }
class Child...
栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...就能保证min存放的是最小值。但是这样的话，会存在一个问题：如果最小的元素出栈了，那怎么知道剩下的元素中哪个是最小的元素呢？
改进思路：
这里需要加一个辅助栈，用空间换取时间。辅助栈中，栈顶永远保存着当前...