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Delete first character of a string in Javascript
I want to delete the first character of a string, if the first character is a 0. The 0 can be there more than once.
14 Ans...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
Assuming I have an ArrayList
9 Answers
9
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Interpolating a string into a regex
I need to substitute the value of a string into my regular expression in Ruby. Is there an easy way to do this? For example:
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Pandas - How to flatten a hierarchical index in columns
I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation):
17 Answers
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Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
10 Answers
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What's the best way to send a signal to all members of a process group?
I want to kill a whole process tree. What is the best way to do this using any common scripting languages? I am looking for a simple solution.
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What do hjust and vjust do when making a plot using ggplot?
Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like
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How to print a number with commas as thousands separators in JavaScript
I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this?
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Animation CSS3: display + opacity
I have got a problem with a CSS3 animation.
15 Answers
15
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How to get the source directory of a Bash script from within the script itself?
How do I get the path of the directory in which a Bash script is located, inside that script?
67 Answers
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