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Change column type from string to float in Pandas
...meric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily sensible to do so). Also allows you to convert t...
Android Get Current timestamp?
...
The solution is :
Long tsLong = System.currentTimeMillis()/1000;
String ts = tsLong.toString();
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How to extract extension from filename string in Javascript? [duplicate]
...n-capturing group, make it optional
$ # anchor to the end of the string
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
... the enhanced for loop.
As an example of the second option, removing any strings with a length greater than 5 from a list:
List<String> list = new ArrayList<String>();
...
for (Iterator<String> iterator = list.iterator(); iterator.hasNext(); ) {
String value = iterator.next(...
Why would json_encode return an empty string
...coding problem
mb_detect_encoding returns probably a faulty response, some strings were probably not UTF-8
using utf8_encode() on those string solved my problem, but see note below
Here is a recursive function that can force convert to UTF-8 all the strings contained in an array:
function utf8iz...
TypeError: not all arguments converted during string formatting python
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The error is in your string formatting.
The correct way to use traditional string formatting using the '%' operator is to use a printf-style format string (Python documentation for this here: http://docs.python.org/2/library/string.html#format-s...
How to define static property in TypeScript interface
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You can define interface normally:
interface MyInterface {
Name:string;
}
but you can't just do
class MyClass implements MyInterface {
static Name:string; // typescript won't care about this field
Name:string; // and demand this one instead
}
To express that a class shou...
Safe integer parsing in Ruby
I have a string, say '123' , and I want to convert it to the integer 123 .
8 Answers
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How to compare strings in Bash
How do I compare a variable to a string (and do something if they match)?
10 Answers
1...
Why is there no SortedList in Java?
...Set interfaces and works as you'd probably expect from a list:
TreeSet<String> set = new TreeSet<String>();
set.add("lol");
set.add("cat");
// automatically sorts natural order when adding
for (String s : set) {
System.out.println(s);
}
// Prints out "cat" and "lol"
If you don't ...