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Logback to log different messages to two files
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I want to log error,debug,info messages in different files respectively . Is it possible with logback.xml
– Qasim
Jun 7 '15 at 14:20
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What's the difference between HEAD^ and HEAD~ in Git?
...01bf062a9fd67e43368
Querying the non-existent fourth parent results in an error.
$ git rev-parse 89e4fcb0dd^4
89e4fcb0dd^4
fatal: ambiguous argument '89e4fcb0dd^4': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revi...
CSS Selector “(A or B) and C”?
...cute 'querySelector' on 'Document': ':any(.a .b)' is not a valid selector. error? ????
– thomas
Nov 14 '19 at 10:46
add a comment
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...
`levels
...t$product)) <- list(Tylenol=1:3, Advil=4:6, Bayer=7:9, Generic=10:12)
# Error: could not find function "factor<-"
# and this is the magic work-around that does work
`levels<-`(
factor(dat$product),
list(Tylenol=1:3, Advil=4:6, Bayer=7:9, Generic=10:12)
)
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“Eliminate render-blocking CSS in above-the-fold content”
.... Also please note, https sites may work in jsfiddle. You are getting this error : "Blocked loading mixed active content". You need to resolve this first.
– Amuk Saxena
Apr 16 '16 at 16:37
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
... a rebase in this case, git will give you a reject non fast-forward merges error.
Revert is the correct solution when the branch has been shared with other repos. git revert af5c7bf16 will make a new commit that simply reverses the changes that af5c7bf16 introduced. This way the history is not rewr...
Multiple GitHub Accounts & SSH Config
...be to grab that key and add it to repo2's Deploy keys, but github.com will error out and tell you that the key is already being used.
Now you go and generate another key (using ssh-keygen -t rsa -C "alice@alice.com" without passwords of course), and so that this doesn't become a mess, you will now ...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
...rs start to win out as your training set grows (they have lower asymptotic error), since high bias classifiers aren’t powerful enough to provide accurate models.
如果是小训练集，高偏差/低方差的分类器（比如朴素贝叶斯）要比低偏差/高方差的分类器（比如k...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
...rs start to win out as your training set grows (they have lower asymptotic error), since high bias classifiers aren’t powerful enough to provide accurate models.
如果是小训练集，高偏差/低方差的分类器（比如朴素贝叶斯）要比低偏差/高方差的分类器（比如k...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
...rs start to win out as your training set grows (they have lower asymptotic error), since high bias classifiers aren’t powerful enough to provide accurate models.
如果是小训练集，高偏差/低方差的分类器（比如朴素贝叶斯）要比低偏差/高方差的分类器（比如k...