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Value of i for (i == -i && i != 0) to return true in Java
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126
The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negated...
filter for complete cases in data.frame using dplyr (case-wise deletion)
...e other solutions above do not.
str(df %>% na.omit)
## 'data.frame': 2 obs. of 2 variables:
## $ x1: num 1 2
## $ x2: num 1 2
## - attr(*, "na.action")= 'omit' Named int 3 4
## ..- attr(*, "names")= chr "3" "4"
ADDED Have updated to reflect latest version of dplyr and comments.
A...
Replacements for switch statement in Python?
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git diff between cloned and original remote repository
...want to compare:
git remote add foobar git://github.com/user/foobar.git
2) Update your local copy of a remote:
git fetch foobar
Fetch won't change your working copy.
3) Compare any branch from your local repository to any remote you've added:
git diff master foobar/master
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GroupBy pandas DataFrame and select most common value
...e .agg()
try this.
# Let's add a new col, account
source['account'] = [1,2,3,3]
source.groupby(['Country','City']).agg(mod = ('Short name', \
lambda x: x.value_counts().index[0]),
avg = ('account', 'mean') \
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Java: Get first item from a collection
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12 Answers
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mysql :: insert into table, data from another table?
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INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date)
SELECT campaign_id, from_number, received_msg, date_received
FROM `received_txts`
WHERE `campaign_id` = '8'
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C++ Erase vector element by value rather than by position? [duplicate]
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edited May 24 '16 at 19:57
Community♦
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answered Aug 2 '10 at 5:31
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Is there a native jQuery function to switch elements?
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22 Answers
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