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Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
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91
Don't know if you resolved this problem, but I have just resolved the same issue from the other ...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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Single Line Nested For Loops
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172
The best source of information is the official Python tutorial on list comprehensions. List c...
How to find where gem files are installed
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10 Answers
10
Active
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Replace a value if null or undefined in JavaScript
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Here’s the JavaScript equivalent:
var i = null;
var j = i || 10; //j is now 10
Note that the logical operator || does not return a boolean value but the first value that can be converted to true.
Additionally use an array of objects instead of one single object:
var options = {
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How to sort an array by a date property
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17 Answers
17
Active
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R - Concatenate two dataframes?
...ine adds column b to data frame b.
Results
> a <- data.frame(a=c(0,1,2), b=c(3,4,5), c=c(6,7,8))
> a
a b c
1 0 3 6
2 1 4 7
3 2 5 8
> b <- data.frame(a=c(9,10,11), c=c(12,13,14))
> b
a c
1 9 12
2 10 13
3 11 14
> b$b <- NA
> b
a c b
1 9 12 NA
2 10 13 NA
3 11 1...
Matplotlib transparent line plots
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261
Plain and simple:
plt.plot(x, y, 'r-', alpha=0.7)
(I know I add nothing new, but the straight...
C# Regex for Guid
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184
This one is quite simple and does not require a delegate as you say.
resultString = Regex.Rep...