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...多口味偏小众的用户无法找到自己感兴趣的内容。
目的2. 降低信息过载
互联网时代信息量已然处于爆炸状态，若是将所有内容都放在网站首页上用户是无从阅读的，信息的利用率将会十分低下。因此我们需要推荐系统来帮助...
UITableView backgroundColor always gray on iPad
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245
Try one of these.
[myTableView setBackgroundView:nil];
[myTableView setBackgroundView:[[[UIVi...
How to check if mod_rewrite is enabled in php?
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125
If you're using mod_php, you can use apache_get_modules(). This will return an array of all ena...
Why covariance and contravariance do not support value type
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126
Basically, variance applies when the CLR can ensure that it doesn't need to make any representa...
Git undo changes in some files [duplicate]
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296
There are three basic ways to do this depending on what you have done with the changes to the ...
Failed to allocate memory: 8
From today, when I tried to run an app in NetBeans on a 2.3.3 Android platform, it shows me that:
20 Answers
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C++11 features in Visual Studio 2012
A preview version of Visual Studio 2012 (the next version after VS2010) is now available .
7 Answers
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Eclipse cannot load SWT libraries
Every time I try to open Eclipse in Ubuntu 12.04 I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial .
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sbt-assembly: deduplication found error
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248
Add the code below to your build.sbt file
assemblyMergeStrategy in assembly := {
case PathLi...
Can you have multiline HTML5 placeholder text in a ?
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82
For <textarea>s the spec specifically outlines that carriage returns + line breaks in the ...