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How to resize an image with OpenCV2.0 and Python2.6
...0,0), fx=0.5, fy=0.5)
and this will resize the image to have 100 cols (width) and 50 rows (height):
resized_image = cv2.resize(image, (100, 50))
Another option is to use scipy module, by using:
small = scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the doc...
TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
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介绍
UrsAI2TcpClient 是一个 Android 扩展，用于建立与 TCP 服务器的连接，并通过 TCP 逐行交换文本消息。消息以行分隔符（CR、LF 或 CRLF）结束。
主要功能
连接到 TCP 服务器
支持双...
How does deriving work in Haskell?
...or Haskell to let you write your own deriving mechanisms.
GHC used to provide a derivable type class extension called Generic Classes, but it was rarely used, as it was somewhat weak.
That has now been taken out, and work is ongoing to integrate a new generic deriving mechanism as described in this...
Canary release strategy vs. Blue/Green
...roduction. Always using feature toggles is a good way to increase your confidence in a new version, since the new version functions exactly like the old until someone flips a feature toggle. Breaking your application into small, independently releaseable services is another, since there is less to t...
How does git compute file hashes?
... the answer by @Leif Gruenwoldt and detailing what is in the reference provided by @Leif Gruenwoldt
Do It Yourself..
Step 1. Create an empty text document (name does not matter) in your repository
Step 2. Stage and Commit the document
Step 3. Identify the hash of the blob by executing gi...
getViewTypeCount and getItemViewType methods of ArrayAdapter
... contacts application you may want even rows to have pictures on the left side and odd rows to have pictures on the right. In that case, you would use:
@Override
public int getViewTypeCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
return position % 2;
}
The fr...
Using do block vs braces {}
...he bracket syntax
has a higher precedence than the
do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxError: compile error
Second example only works when parentheses is used, 1.upto(3) { |x| puts x }
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Open a URL in a new tab (and not a new window)
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@AliHaideri The Javascript has nothing to do with how the new tab/window is opened. It's all determined by your browser's settings. Using window.open tells the browser to open something new, then the browser opens up what is chosen...
NSObject +load and +initialize - What do they do?
... interested in understanding the circumstances leading a developer to override +initialize or +load. Documentation makes it clear these methods are called for you by the Objective-C runtime, but that's really all that is clear from the documentation of those methods. :-)
...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
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Your answer was helpful. I did not identify any @RenderSection("Scripts") within the _Layout.cshtml but I did notice in the views that were automatically created when creating my Movies controller for this tutorial, that those had @section Scripts {...