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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
如何选择机器学习算法Choosing-a-Machine-Learning-Classifier如何针对某个分类问题决定使用何种机器学习算法？ 当然，如果你真心在乎准确率，最好的途径就是测试一大堆各式各样的算法（同时确保在每个算法上也测试不同的参数），...
Rails: FATAL - Peer authentication failed for user (PG::Error)
I am running my developm>me m>nt on Ubuntu 11.10, and RubyMine
8 Answers
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Force “git push” to overwrite remote files
...y local files, and have them on a remote repo, without having to deal with m>me m>rge conflicts. I just want my local version to have priority over the remote one.
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Creating hard and soft links using PowerShell
...nk /d c:\path\to\symlink c:\target\directory
For hard links, I suggest som>me m>thing like Sysinternals Junction.
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Breaking/exit nested for in vb.net
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Unfortunately, there's no exit two levels of for statem>me m>nt, but there are a few workarounds to do what you want:
Goto. In general, using goto is considered to be bad practice (and rightfully so), but using goto solely for a forward jump out of structured control statem>me m>nts is ...
Prevent scrolling of parent elem>me m>nt when inner elem>me m>nt scroll position reaches top/bottom? [duplicat
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There's also som>me m> weirdness if you have scrolling inertia on and scroll a child container and then move your mouse out of the child. The inertia caries onto the parent or any other container. I experienced this on a magic mouse in chrom>me m> on...
HTTP POST Returns Error: 417 “Expectation Failed.”
...y to false:
System.Net.ServicePointManager.Expect100Continue = false;
Som>me m> servers choke on that header and send back the 417 error you're seeing.
Give that a shot.
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Delete local Git branches after deleting them on the remote repo
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The quick way
git branch --m>me m>rged | grep -v "\*" | xargs -n 1 git branch -d
NB: if you're not on master, this has the potential to delete the branch. Keep reading for the "better way".
Make sure we keep master
You can ensure that master, or any oth...
How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img elem>me m>nt, I want to fit it into the div without losing any part, in the m>me m>an tim>me m> the ratio is kept, is it achievable using html and css?
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Crop MP3 to first 30 seconds
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I also recomm>me m>nd ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your custom>me m>rs a f...