大约有 40,000 项符合查询结果(耗时:0.0680秒) [XML]

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How to customize a Spinner in Android

...er" android:src="@mipmap/drop" /> </RelativeLayout> Finally looks like below image and it is everywhere clickable in round area and no need to write click Lister for imageView. Step3: For drop-down design, remove the line from Dropdown ListView and change the background color,...
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Suppressing “is never used” and “is never assigned to” warnings in C#

I have a HTTPSystemDefinitions.cs file in C# project which basically describes the older windows ISAPI for consumption by managed code. ...
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Error when trying vagrant up

...ust vagrant init. That will create your Vagrantfile, but it won't have a box defined. Instead, you could try $ vagrant init hashicorp/precise32 $ vagrant up which uses a standard Ubuntu image. The Vagrant website has a Getting Started which gives some good examples. ...
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Python 3: ImportError “No Module named Setuptools”

I'm having troubles with installing packages in Python 3. 9 Answers 9 ...
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Parsing JSON with Unix tools

... There are a number of tools specifically designed for the purpose of manipulating JSON from the command line, and will be a lot easier and more reliable than doing it with Awk, such as jq: curl -s 'https://api.github.com/users/lambda' | jq -r '.name' You can...
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Python try-else

... The statements in the else block are executed if execution falls off the bottom of the try - if there was no exception. Honestly, I've never found a need. However, Handling Exceptions notes: The use of the else clause is better than adding additional code to the try clause be...
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How can I create a simple message box in Python?

...line code like this: import ctypes # An included library with Python install. ctypes.windll.user32.MessageBoxW(0, "Your text", "Your title", 1) Or define a function (Mbox) like so: import ctypes # An included library with Python install. def Mbox(title, text, style): return ctypes.windl...
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Text Progress Bar in the Console [closed]

...any of the answers below that I use regularly (no imports required). Note: All code in this answer was created for Python 3; see end of answer to use this code with Python 2. # Print iterations progress def printProgressBar (iteration, total, prefix = '', suffix = '', decimals = 1, length = 100, fil...
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Printing leading 0's in C?

...ou are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one number in the ones column and pad 1 zero for a number in ...
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Save image from URL by paperclip

... This is potentially insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though. – David Tuite Oct 11 '13 at 9:16 ...