大约有 41,300 项符合查询结果（耗时：0.0484秒） [XML]
How to read data when some numbers contain commas as thousand separator?
...ues are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...
3 Answers
3
Active
...
Error during SSL Handshake with remote server
I have Apache2 (listening on 443) and a web app running on Tomcat7 (listening on 8443) on Ubuntu .
3 Answers
...
What is the maximum value for an int32?
...
It's 2,147,483,647. Easiest way to memorize it is via a tattoo.
share
edited Feb 21 '18 at 1:13
...
What is the easiest way to make a C++ program crash?
...
30 Answers
30
Active
...
Java: method to get position of a match in a String?
...ward (or backward) starting at the specified index].
String text = "0123hello9012hello8901hello7890";
String word = "hello";
System.out.println(text.indexOf(word)); // prints "4"
System.out.println(text.lastIndexOf(word)); // prints "22"
// find all occurrences forward
for (int i = -1; (i = te...
deleting rows in numpy array
...mpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the rows ...
How do you tell a specific Delayed::Job to run in console?
...
3 Answers
3
Active
...
How do you grep a file and get the next 5 lines
How do I grep a file for 19:55 and get the Line 1,2,3,4,5?
3 Answers
3
...
onIabPurchaseFinished never called.
...
answered Feb 19 '13 at 21:53
bugzybugzy
6,88699 gold badges3939 silver badges4444 bronze badges
...