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How do I get started with Node.js [closed]
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You can follow these tutorials to get started
Tutorials
NodeSchool.io interactive lessons
The Art of Node (an introduction to Node.js)
Hello World
Hello World Web Server (paid)
Node.js guide
Build a blog with Node.js, express and MongoDB
Node.js for Beginners
Learn Node.js Completely ...
What are the applications of binary trees?
...gnatures in which a hash needs to be verified, but the whole file is not available.
Heaps - Used in implementing efficient priority-queues, which in turn are used for scheduling processes in many operating systems, Quality-of-Service in routers, and A* (path-finding algorithm used in AI applications...
Which is the preferred way to concatenate a string in Python?
...string. And this can be true, in some cases. Here, for example, is one
million appends of a one-character string, first to a string, then to a list:
a += b:
0.10780501365661621
a.append(b):
0.1123361587524414
OK, turns out that even when the resulting string is a million characters long, appendin...
Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...联系上了原厂工程师。
对了我们购买的VMWARE 是联想的OEM版，直接联系VMWARE是没有卵用的。必须经过联想。
关于配置Oracle RAC最佳配置参考VMware文档。
文档链接：http://www.vmware.com/files/pdf/solutions/oracle/Oracle_Databases_VMware_RAC_Deployme...
How can I convert my device token (NSData) into an NSString?
I am implementing push notifications. I'd like to save my APNS Token as a String.
29 Answers
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Get user profile picture by Id
I'm now working on a web application which is mostly based of facebook graph api.
I hold some data about users - actually , the possible public data available - such as name and id.
I also know that a profile picture is a part of the public data, and I wondered how I'll be able to get a direct link ...
CSS - Overflow: Scroll; - Always show vertical scroll bar?
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Just ran into this problem myself. OSx Lion hides scrollbars while not in use to make it seem more "slick", but at the same time the issue you addressed comes up: people sometimes cannot see whether a div has a scroll feature or not.
The fix: In your css include ...
In Objective-C, how do I test the object type?
... Be careful with it though, as many Apple objects are actually Core Foundation types in disguise. (Eg. an NSString is more often an NSCFString, and isMemberOfClass: will return false for this comparison.)
– Craig Otis
Jul 17 '09 at 17:45
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Container View Controller Examples [closed]
... Custom View Controller as a Container View Controller? The only documentation I can find is a couple of paragraphs in the UIViewController Class Reference . I feel I need a little more information than that and an example implementation would be nice. Google has turned up nothing at all.
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Simulate limited bandwidth from within Chrome?
Is there a way I can simulate various connection speeds from within Chrome?
13 Answers
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