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Fastest way to remove first char in a String
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151
The second option really isn't the same as the others - if the string is "///foo" it will becom...
How to get a specific output iterating a hash in Ruby?
...nstead of v or value?
– jrhicks
Mar 5 '17 at 13:53
1
@jrhicks Because the OP has a hash whose val...
Comparing two CGRects
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250
Use this:
if (CGRectEqualToRect(self.view.frame, rect)) {
// do some stuff
}
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Unittest setUp/tearDown for several tests
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edited Dec 5 '11 at 20:13
answered Dec 5 '11 at 19:56
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Remove rows with all or some NAs (missing values) in data.frame
...only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA 1 2
6 ENSG00000221312 0 1 2 3 2
Your solution can't work. If you insist on ...
How to add image to canvas
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edited Feb 15 '18 at 21:38
answered May 15 '11 at 21:32
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...henticating as 'bill'@'%' through a socket.
root@myhost:/home/mysql-5.5.16-linux2.6-x86_64# ./mysql -ubill -ppass --socket=/tmp/mysql-5.5.sock
Welcome to the MySQL monitor (...)
mysql> SELECT user, host FROM mysql.user;
+------+-----------+
| user | host |
+------...
How do you know when to use fold-left and when to use fold-right?
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105
You can transfer a fold into an infix operator notation (writing in between):
This example fold...
Maintaining the final state at end of a CSS3 animation
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567
Try adding animation-fill-mode: forwards;. For example like this:
-webkit-animation: bubble ...