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Echo equivalent in PowerShell for script testing
I would like to output variables and values out in a PowerShell script by setting up flags and seeing the data matriculate throughout the script.
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What is going wrong when Visual Studio tells me “xcopy exited with code 4”
...ommand tried to overwrite a readonly file. I managed to solve this problem by adding /R to the xcopy command. The /R indicates read only files should be overwritten
old command:
XCOPY /E /Y "$(ProjectDir)source file" "destination"
new command
XCOPY /E /Y /R "$(ProjectDir)source file" "destinati...
cv2.imshow command doesn't work properly in opencv-python
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You can close it afterwards by cv2.destroyAllWindows()
– Zuza
Jul 29 '15 at 10:39
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Extracting specific columns in numpy array
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Also you can achieve this by using a colon, for example data[:, 8:9]. This takes the eight column but does not remove the extra dimension.
– Jan Kukacka
Feb 5 '18 at 16:19
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C++ static virtual members?
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Exactly. A "virtual function" is (by definition) a function which is dynamically linked, i.e. it's chosen at runtime depending on the dynamic type of a given object. Hence, no object = no virtual call.
– Kos
Nov 16 '11 a...
“x not in y” or “not x in y”
... think of not x in xs is not (x in xs). But the fact that it's implemented by parsing it into precisely the same bytecode as x not in xs very clearly shows that they must be always identical, as opposed to things like not x == y vs x != y which should give the same result, but don't have to (dependi...
Automatically create an Enum based on values in a database lookup table?
...s" project is built, it runs itself and generates the "MyEnums.dll" file.
By the way, it helps to change the build order of your project so that "EnumeratedTypes" is built first. Otherwise, once you start using your dynamically generated .dll, you won't be able to do a build if the .dll ever gets d...
How to show the loading indicator in the top status bar
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I wrote a singleton that solves the problem of multiple connections by keeping a counter of what is happening (to avoid removing the status when a connection returns but another one is still active):
The header file:
#import <Foundation/Foundation.h>
@interface RMActivityIndicator : ...
What is the command to list the available avdnames
I know I can start the emulator avd by typing
8 Answers
8
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How to view method information in Android Studio?
... handy if you create a keymap for functionalities you use very frequently. By default (if you select OSX 10.5+ keymap) :
Ctrl+P : To see what parameters are expected by the function
Command+J : To see the documentation
Ctrl+Space : To see the autocomplete suggestions
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