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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 ...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
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3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.t...
Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
14 Answers
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How to select an element by classname using jqLite?
I'm trying to remove jquery from my Angular.js app in order to make it lighter, and put Angular's jqLite instead. But the app makes heavy use of find('#id') and find ('.classname'), which are not supported by jqLite, only 'tag names' (as per documentation)
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How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
52 Ans...
How to parse JSON in Scala using standard Scala classes?
I am using the build in JSON class in Scala 2.8 to parse JSON code. I don't want to use the Liftweb one or any other due to minimizing dependencies.
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Fragment is not being replaced but put on top of the previous one
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You are doing two things wrong here:
You cannot replace a fragment that is statically placed in an xml layout file. You should create a container (e.g. a FrameLayout) in the layout and then add the fragment programatically using Fra...
How to find all tables that have foreign keys that reference particular table.column and have values
I have a table whose primary key is referenced in several other tables as a foreign key. For example:
7 Answers
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback.
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onCreateOptionsMenu inside Fragments
I have placed setHasOptionsMenu(true) inside onCreateView , but I still can't call onCreateOptionsMenu inside fragments.
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