大约有 48,000 项符合查询结果（耗时：0.0330秒） [XML]
Python nonlocal statement
...: 2
# outer: 1
# global: 0
To this, using nonlocal, where inner()'s x is now also outer()'s x:
x = 0
def outer():
x = 1
def inner():
nonlocal x
x = 2
print("inner:", x)
inner()
print("outer:", x)
outer()
print("global:", x)
# inner: 2
# outer: 2
# global...
How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
11 Answers
...
Upgrading Node.js to latest version
So, I have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed).
...
Hidden Features of Xcode
...re shortcuts (which you can do by drag-dropping) to files I am using right now. Generally this is more useful when I'm working with a large or unfamiliar project.
To show the Favorites Bar, select the following menu option:
View > Layout > Show Favorites Bar
...
How to get an enum which is created in attrs.xml in code
... it here ) with an declare-styleable attribute of type enum. In xml I can now choose one of the enum entries for my custom attribute. Now I want to create an method to set this value programmatically, but I can not access the enum.
...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
...
If you are a iOS developer, You might be interested to know that I also experienced this issue while trying to use localStorage after loading the HTML directly into the UIWebView control. stackoverflow.com/questions/11371441/…
– Felipe Sabino
...
What underlies this JavaScript idiom: var self = this?
...in event handlers (especially in closures).
Edit: Note that using self is now discouraged as window.self exists and has the potential to cause errors if you are not careful.
What you call the variable doesn't particularly matter. var that = this; is fine, but there's nothing magic about the name....
Jump into interface implementation in Eclipse IDE
You know how in Eclipse, pressing F3 over a method will take you to its declaration? Well I have a method that is part of an interface; clicking F3 over this naturally takes me to the declaring interface.
...
Best cross-browser method to capture CTRL+S with JQuery?
... This has been converted to a jQuery plugin, forked and reforked, and now supports 1.6.x: github.com/ricardovaleriano/jquery.hotkeys
– Félix Saparelli
Jul 26 '11 at 4:08
12
...
How to change past commit to include a missed file?
... add a file to the change set. After other commits, I realized the file is now missing from a HEAD^4 commit.
4 Answers
...