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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...y the double colon ::, the dot ., and the arrow ->, are used for three different scenarios that are always well-defined. Knowing this allows you to immediately know quite a lot about a and b just by looking at a::b, a.b, or a->b, respectively, in any code you look at.
a::b is only used if b...
Get source JARs from Maven repository
Does anyone have any idea if you can find source JARs on Maven repositories?
19 Answers
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Is there a good Valgrind substitute for Windows?
...have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows.
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How do I choose between Tesseract and OpenCV? [closed]
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Tesseract is an OCR engine. It's used, worked on and funded by Google specifically to read text from images, perform basic document segmentation and operate on specific image inputs (a single word, line, paragraph, page, limited dictionaries, etc.).
OpenCV, on the other hand, is a computer vision l...
How do you unit test a Celery task?
...esting Celery within Django but doesn't explain how to test a Celery task if you are not using Django. How do you do this?
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Add column with constant value to pandas dataframe [duplicate]
...lumn is because df.index and the Index of your right-hand-side object are different. @zach shows the proper way to assign a new column of zeros. In general, pandas tries to do as much alignment of indices as possible. One downside is that when indices are not aligned you get NaN wherever they aren't...
How can I have ruby logger log output to stdout as well as file?
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if you look at the ctor of logger you will see that this will mess up log rotation. def initialize(log = nil, opt = {}) @dev = @filename = @shift_age = @shift_size = nil @mutex = LogDeviceMutex.new if l...
Nodejs - Redirect url
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The logic of determining a "wrong" url is specific to your application. It could be a simple file not found error or something else if you are doing a RESTful app. Once you've figured that out, sending a redirect is as simple as:
response.writeHead(302, {
'Location': ...
Script entire database SQL-Server
... Another option is to use SQL SMO and script it out programatically (i.e. if regular scripting is required)
– RobS
Jul 22 '09 at 0:26
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OwinStartup not firing
...uiring these direct references of the Microsoft.Owin stuff? How do we specifically provoke Katana to call Startup.Configuration(IAppBuilder)?
– Jason Kleban
Jan 13 '15 at 16:17
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