大约有 47,000 项符合查询结果（耗时：0.0777秒） [XML]
What is the difference between Θ(n) and O(n)?
...
@Andy897 It follows from the definition of "proportional". From Wikipedia: "In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a const...
How to get the browser to navigate to URL in JavaScript [duplicate]
...ing window.location = '...' is a synonym of window.location.href = '...' - from Window.location API.
– Oliver
Mar 30 '16 at 9:09
3
...
Print second last column/field in awk
...
You weren't far from the result! This does it:
awk '{NF--; print $NF}' file
This decrements the number of fields in one, so that $NF contains the former penultimate.
Test
Let's generate some numbers and print them on groups of 5:
$ seq...
HTTP Basic Authentication credentials passed in URL and encryption
...or application will initiate a SSL connection with the IP address received from the DNS request. Certificates will be exchanged and this happens at the transport level. No application level information will be transferred at this point. Remember that the Basic authentication is part of HTTP and HTTP...
Why is i++ not atomic?
...d be inappropriate to use the atomic i++. What's worse, programmers coming from C or other C-like languages to Java would use i++ anyway, resulting in unnecessary use of atomic instructions.
Even at the machine instruction set level, an increment type operation is usually not atomic for performance...
How can I get a JavaScript stack trace when I throw an exception?
...
Note that caller is now deprecated and callee is removed from ES5 strict mode. Here's why stackoverflow.com/questions/103598/…
– PhilT
Nov 5 '14 at 22:17
...
Print string to text file
... @nicorellius, if you wish to use that with Python2.x you need to put from __future__ import print_function at the top of the file. Note that this will transform all of the print statements in the file to the newer function calls.
– John La Rooy
Apr 6 '16 ...
A Java collection of value pairs? (tuples?)
...in the javafx.base module). EDIT: As of Java 11, JavaFX has been decoupled from the JDK, so you'd need the additional maven artifact org.openjfx:javafx-base.
Java 6+
In Java 6 and up, you can use the more verbose AbstractMap.SimpleImmutableEntry for an immutable pair, or AbstractMap.SimpleEntry ...
How do you implement a good profanity filter?
... advanced generic class for word filtering that *'s out the center letters from censored words, and this previous Stack Overflow question that also has a PHP example (the main valuable part in there is the SQL-based filtered word approach -- the leet-speak compensator can be dispensed with if you fi...
Keep only first n characters in a string?
...cause str.slice() allows you to make the second argument negative to count from the back, unlike str.substring: "abcdef".slice(0, -2) == "abcd".
– Claude
Mar 21 '15 at 20:48
a...