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Why use the 'ref' keyword when passing an object?
...eference to a reference. This allows you to do things as described in the example given above. But, when the parameter type is a primitive value (e.g. int), then if this parameter is assigned to within the method, the value of the argument that was passed in will be changed after the method returns:...
How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
...of a folder and all its sub folders and files in one step (command) in Linux.
16 Answers
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iOS UIImagePickerController result image orientation after upload
...aw image data. There's a good chance that this flag is being saved to the exif data in the uploaded jpeg image, but the program you use to view it is not honoring that flag.
To rotate the UIImage to display properly when uploaded, you can use a category like this:
UIImage+fixOrientation.h
@interf...
Common xlabel/ylabel for matplotlib subplots
...this answer to your specific case:
import matplotlib.pyplot as plt
fig, ax = plt.subplots(nrows=3, ncols=3, sharex=True, sharey=True, figsize=(6, 6))
fig.text(0.5, 0.04, 'common X', ha='center')
fig.text(0.04, 0.5, 'common Y', va='center', rotation='vertical')
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Extracting text OpenCV
I am trying to find the bounding boxes of text in an image and am currently using this approach:
10 Answers
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Setting design time DataContext on a Window is giving a compiler error?
I have the following XAML below for the main window in my WPF application, I am trying to set the design time d:DataContext below, which I can successfully do for all my various UserControls, but it gives me this error when I try to do it on the window...
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...rm> needs to be set to multipart/form-data. When this is absent, the ajax upload may just work, but the general browser behavior is unspecified and dependent on form composition and webbrowser make/version. Just always specify it to be on the safe side.
When using mode="advanced" (i.e. ajax uploa...
Why is Go so slow (compared to Java)?
...produce code that's OK (there is a bit of optimisation). gccgo uses GCC's existing optimisation passes, and might provide a more pointful comparison with C, but gccgo isn't feature-complete yet.
Benchmark figures are almost entirely about quality of implementation. They don't have a huge amount to ...
Given a number, find the next higher number which has the exact same set of digits as the original n
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linq where list contains any in list
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i was trying to use this query for search box, it searches any character in Person_Name column, i got this error :'DbIntersectExpression requires arguments with compatible collection ResultTypes' so i tried .StartWith, .EndsWith, .Contains from here it works, but what...