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bind event only once
...
Be careful, because this unbinds ALL click events, and it is not always wanted behaviour. For example, when you bind something to document, you want to unbind only that one event, not all of them.
– Mārtiņš Briedis
J...
When NOT to use Cassandra?
...Why use NoSQL
In the case of RDBMS, making a choice is quite easy because all the databases like MySQL, Oracle, MS SQL, PostgreSQL in this category offer almost the same kind of solutions oriented toward ACID properties. When it comes to NoSQL, the decision becomes difficult because every NoSQL dat...
Why can't I access DateTime->date in PHP's DateTime class?
...hacky" or "glitchy" methods to fix your code. Instead you should use their API.
echo (new DateTime())->format('Y-m-d H:i:s');
If you are not satisfied you can extend the class or perhaps use Carbon that extends it for you.
echo (new Carbon())->toDateTimeString();
If you wounder how var_d...
Why doesn't Java Map extend Collection?
...end
Map, but this raises the question:
what are the keys? There's no really
satisfactory answer, and forcing one
leads to an unnatural interface.
Maps can be viewed as Collections (of
keys, values, or pairs), and this fact
is reflected in the three "Collection
view operations" on ...
高德地图api访问URL出错求助 - App应用开发 - 清泛IT社区，为创新赋能！
https://restapi.amap.com/v3/staticmap?
&zoom=12
&size=1024*1024
&markers=large,0xFF0000,M:116.482957,39.875308|P:116.39747,39.908823;116.410891,39.881951;116.482630,39.944151;116.469815,39.913968
&key=
这个地图api为什么用“|”来分隔不同标注点的话会显示错...
Is Haxe worth learning? [closed]
...atform API, they can be reused from platform to platform with no effort at all. All the platforms also share common APIs like XML access, HTTP connections and reflection. Platforms that have things in common (i.e. Neko and PHP) share the same API for things like file access or web-server development...
Insert code into the page context using a content script
...example one and two. If you don't have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as shown below.
Safety warning:
A page may redefine or augment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashi...
推荐引擎easyrec半天学习分享 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...est rated items
worst rated items
Import API
Import rule
Import/update item
set item active
3.下了官方的demo,安装文档像傻瓜文档说明非常详细，使用确实方便，我初步理解可以把这个作...
用VC实现组态王数据的远程共享 - 文档下载 - 清泛网 - 专注C/C++及内核技术
...到乙方，乙方根据收到的指针访问那块全局内存。有几个API函数是做这种事的，你在MSDN里查一下 Dde 打头的函数全都出来了。因为是已经淘汰的技术，连MFC都没对他进行封装。很难保证它同样会出现在以后的Windows API中。
DDE 有...
Constructor function vs Factory functions
...function is used with the new keyword (which causes JavaScript to automatically create a new object, set this within the function to that object, and return the object):
var objFromConstructor = new ConstructorFunction();
A factory function is called like a "regular" function:
var objFromFactory...