大约有 41,000 项符合查询结果（耗时：0.0583秒） [XML]
Does using final for variables in Java improve garbage collection?
... my colleagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection.
1...
Error in : object of type 'closure' is not subsettable
I was finally able to work out the code for my scraping . It seemed to be working fine and then all of a sudden when I ran it again, I got the following error message:
...
How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
...
You can force SBT to reload changes:
Open SBT toolwindow (on the right side of IDE) and press refresh button.
If you use auto-import feature you need to save your file to force auto-refresh.
...
Getting current date and time in JavaScript
...
.getMonth() returns a zero-based number so to get the correct month you need to add 1, so calling .getMonth() in may will return 4 and not 5.
So in your code we can use currentdate.getMonth()+1 to output the correct value. In addition:
.getDate() returns the day of the month &...
Replacement for Google Code Search? [closed]
... it a couple times a week to see how other developers have used (usually poorly documented) APIs. It's also convenient to see the internals of some of those APIs, or to find which API corresponds to the functionality you want (it's a great resource for Android in particular -- give it some of the t...
What's the difference between git reset --mixed, --soft, and --hard?
...
When you modify a file in your repository, the change is initially unstaged. In order to commit it, you must stage it—that is, add it to the index—using git add. When you make a commit, the changes that are committed are those that have been added to the inde...
How can I detect if a file is binary (non-text) in python?
...
You can also use the mimetypes module:
import mimetypes
...
mime = mimetypes.guess_type(file)
It's fairly easy to compile a list of binary mime types. For example Apache distributes with a mime.types file that you could parse into a set of lists, binary and text an...
What does Connect.js methodOverride do?
...
If you want to simulate DELETE and PUT, methodOverride is for that.
If you pass in the _method post parameter set to 'delete' or 'put', then you can use app.delete and app.put in Express instead of using app.post all the time (thus more descriptive, verbose):
Backend:
// the app
a...
Why would a JavaScript variable start with a dollar sign? [duplicate]
...
Very common use in jQuery is to distinguish jQuery objects stored in variables from other variables.
For example, I would define:
var $email = $("#email"); // refers to the jQuery object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom obj...
Getting a list of all subdirectories in the current directory
Is there a way to return a list of all the subdirectories in the current directory in Python?
27 Answers
...