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python max function using 'key' and lambda expression
...xample 2: Applying max to a list of tuples.
>>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')]
By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get th...
How do I keep jQuery UI Accordion collapsed by default?
...ive: false option (documentation)..
$("#accordion").accordion({ header: "h3", collapsible: true, active: false });
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Why is document.body null in my javascript?
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edited May 23 '17 at 11:54
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Position of least significant bit that is set
...ly and lookup»:
unsigned int v; // find the number of trailing zeros in 32-bit v
int r; // result goes here
static const int MultiplyDeBruijnBitPosition[32] =
{
0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8,
31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9
};...
Unmount the directory which is mounted by sshfs in Mac [closed]
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How to create a shared library with cmake?
...cify the minimum required version of cmake
cmake_minimum_required(VERSION 3.9)
You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9):
project(mylib VERSIO...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
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391
In Android 2.0+ this would look like:
@Override
public void onBackPressed() {
new AlertDi...
Creating .pem file for APNS?
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366
Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pez...
分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...据的冗余存储（一般工业界认为比较安全的备份数应该是3份，如：Hadoop和Dynamo）。 但是，加入更多的机器，会让我们的数据服务变得很复杂，尤其是跨服务器的事务处理，也就是跨服务器的数据一致性。这个是一个很难的问题...
How to launch Safari and open URL from iOS app
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Here's what I did:
I created an IBAction in the header .h files as follows:
- (IBAction)ope...