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A valid provisioning profile for this executable was not found for debug mode

... It could be because your iphone is not recognized by the provisioning portal. Solution: 1) In Xcode, Goto --> Build --> clean all targets. 2) In "Groups & Files" -->Target --> expand it --> right click your app and select Clean "yo...
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TypeError: got multiple values for argument

...nd width arguments). This is easy to see in the example, but of course if one mixes up the arguments at call, it may not be easy to debug: # misplaced height and width color_box(20, 30, color="green") Here, color is assigned 20, then args=[30] and color is again assigned "green". ...
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Why does the JVM still not support tail-call optimization?

...pecification doesn't require that this transformation be made. Presumably, one reason it is not a requirement is that, in general, the transformation can't be made statically in an object-oriented language. Instead, the transformation from tail-recursive function to simple loop must be done dynamica...
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Display lines number in Stack Trace for .NET assembly in Release mode

...nerated .pdb file with the assembly. Implemented with the comment below: One other thing to check is in the "Package/Publish Web" section that the "Exclude generated debug symbols" checkbox is also unchecked share ...
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Checking from shell script if a directory contains files

...e)" fi Note: no difference between an empty directory and a non-existing one (and even when the provided path is a file). There is a similar alternative and more details (and more examples) on the 'official' FAQ for #bash IRC channel: if (shopt -s nullglob dotglob; f=(*); ((${#f[@]}))) then ec...
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Getting “unixtime” in Java

...em.currentTimeMillis(). A divide by 1000 gets you to Unix epoch. As mentioned in a comment, you typically want a primitive long (lower-case-l long) not a boxed object long (capital-L Long) for the unixTime variable's type. long unixTime = System.currentTimeMillis() / 1000L; ...
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What are best practices for REST nested resources?

As far as I can tell each individual resource should have only one canonical path. So in the following example what would good URL patterns be? ...
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Remove and Replace Printed items [duplicate]

... One way is to use ANSI escape sequences: import sys import time for i in range(10): print("Loading" + "." * i) sys.stdout.write("\033[F") # Cursor up one line time.sleep(1) Also sometimes useful (for example if...
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Matplotlib 2 Subplots, 1 Colorbar

...olorbar() with a list of axes. From the documentation: ax None | parent axes object(s) from which space for a new colorbar axes will be stolen. If a list of axes is given they will all be resized to make room for the colorbar axes. import numpy as np import matplotlib.pyplot as ...
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Get records with max value for each group of grouped SQL results

... and also the problems of returning multiple rows when there are more than one with the same maximum value (as the other answers would do) Note: This is a mysql-only solution. All other databases I know will throw an SQL syntax error with the message "non aggregated columns are not listed in the gro...