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How to format a Java string with leading zero?
... your own function. That would be a much better general solution than the selected answer. docjar.com/html/api/org/apache/commons/lang/…
– kaliatech
Oct 29 '10 at 13:01
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Android app in Eclipse: Edit text not showing on Graphical layout
... shown in below screenshot.
Instead of "Automatically Pick Best", manually select the one which works for you (API 17 worked for me).
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Find the version of an installed npm package
...ix based systems, on Windows you can use PowerShell for similar results: | select-string module_name to filter the module. Or, if you're using Git Bash (or just Bash, for that matter), you can use grep.
– Noel
Feb 12 '16 at 20:33
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How to set MSDN to be always in English
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You can select your default language from bottom left of the page.
Edit
New docs site has an easier option to view in English. However, the setting is not permanent.
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Amend a commit that wasn't the previous commit [duplicate]
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Have I misunderstood? It seems you actually have to select a commit before the one you want to change. If sha1 is the hash of the commit you want to change, you'd specify sha1^ on the rebase command. Otherwise, the commit to change doesn't appear in the list.
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How to switch databases in psql?
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You can select the database when connecting with psql. This is handy when using it from a script:
sudo -u postgres psql -c "CREATE SCHEMA test AUTHORIZATION test;" test
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How to randomize (or permute) a dataframe rowwise and columnwise?
...ple(1:n()))
or
df2 <- sample_frac(df1, 1L)
column-wise:
df2 <- select(df1, one_of(sample(names(df1))))
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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
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
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
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
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
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...