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How do I pass a class as a parameter in Java?
...od using reflection
import java.lang.reflect.*;
public class method2 {
public int add(int a, int b)
{
return a + b;
}
public static void main(String args[])
{
try {
Class cls = Class.forName("method2");
Class partypes[] =...
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...
mysql :: insert into table, data from another table?
...
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'
...
Reverse / invert a dictionary mapping
...
26 Answers
26
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Replacements for switch statement in Python?
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1526
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What is the difference between match_parent and fill_parent?
...
1240
They're the same thing (in API Level 8+). Use match_parent.
FILL_PARENT (renamed MATCH_PAR...
Serializing object that contains cyclic object value
...
221
Use the second parameter of stringify, the replacer function, to exclude already serialized ob...
How to store decimal values in SQL Server?
...f a column in the SQL Server. I need to be able to store values like 15.5, 26.9, 24.7, 9.8, etc
8 Answers
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