大约有 35,100 项符合查询结果（耗时：0.0312秒） [XML]
Function return value in PowerShell
...
PowerShell has really wacky return semantics - at least when viewed from a more traditional programming perspective. There are two main ideas to wrap your head around:
All output is captured, and returned
The return keyword really just indicates a ...
iOS detect if user is on an iPad
...
There are quite a few ways to check if a device is an iPad. This is my favorite way to check whether the device is in fact an iPad:
if ( UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad )
{
return YES; /* Device is iPad */
}
The way I use it
#defi...
Cannot hide status bar in iOS7
...status bar appearance" and set it to NO
Note that this simply does not work, if you are using UIImagePickerController in the app.
from http://www.openfl.org/developer/forums/general-discussion/iphone-5ios-7-cant-hide-status-bar/, mgiroux's solution
...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
I would like to use jQuery to get the X/Y coordinates of a click event on an image. The coordinates should be relative to the image, not relative to the whole page
...
Running Selenium WebDriver python bindings in chrome
I ran into a problem while working with Selenium. For my project, I have to use Chrome. However, I can't connect to that browser after launching it with Selenium.
...
Decimal number regular expression, where digit after decimal is optional
...
Jonathan Feinberg
41k66 gold badges7676 silver badges9999 bronze badges
answered Aug 24 '12 at 21:43
João SilvaJoão Sil...
Why do you have to call .items() when iterating over a dictionary in Python?
Why do you have to call items() to iterate over key, value pairs in a dictionary? ie.
2 Answers
...
What is the difference between dict.items() and dict.iteritems() in Python2?
...() built a real list of tuples and returned that. That could potentially take a lot of extra memory.
Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems(). The original remains for backwards compatibility.
...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
...> Preferences
on Windows and Linux choose File -> Settings
Then look for Editor -> File and Code Templates in the left hand pane.
You have two ways you can change this...
1) Select the Includes tab and edit the Created by... text directly.
2) Select the Templates tab and edit the #pa...
How to change default timezone for Active Record in Rails?
...g.active_record.default_timezone = :local
Warning: you really should think twice, even thrice, before saving times in the database in a non-UTC format.
Note
Do not forget to restart your Rails server after modifying application.rb.
Remember that config.active_record.default_timezone can ...