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What does get-task-allow do in Xcode?
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From this thread on ADC:
get-task-allow, when signed into an application, allows other processes (like the debugger) to attach to your app. Distribution profiles require that this value be turned off, while development profiles require this value to be turned on (otherwise Xcode would never...
How do I test which class an object is in Objective-C?
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[yourObject isKindOfClass:[a class]]
// Returns a Boolean value that indicates whether the receiver is an instance of
// given class or an instance of any class that inherits from that class.
or
[yourObject isMemberOfClass:[a class]]
// Returns a Boolean value that indicates whether the receiv...
Unsigned keyword in C++
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From the link above:
Several of these types can be modified using the keywords signed, unsigned, short, and long. When one of these type modifiers is used by itself, a data type of int is assumed
This means that you can assume the author is using ints.
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What are the aspect ratios for all Android phone and tablet devices?
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In case anyone wanted more of a visual reference:
Decimal approximations reference table:
╔══════════════════════════╦════════════════...
How do I get SUM function in MySQL to return '0' if no values are found?
... Please be aware that whileSUM does function as desired, AVG and COUNT can produce different results when receiving NULL Prompting you to use COALESCE as suggested by @DarkSide, depending on your desired outcome.
– Will B.
Mar 8 '19 at 17:58
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Get pandas.read_csv to read empty values as empty string instead of nan
...an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get it not to read an empty value as NaN. Here's sample data and output
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Left align and right align within div in Bootstrap
...dths (ie: float-sm-right)
The flexbox utils (eg:justify-content-between) can also be used for alignment:
<div class="d-flex justify-content-between">
<div>
left
</div>
<div>
right
</div>
</div>
or, auto-margins (eg:m...
What does 'wb' mean in this code, using Python?
...and binary
files; the end-of-line characters in
text files are automatically altered
slightly when data is read or written.
This behind-the-scenes modification to
file data is fine for ASCII text
files, but it’ll corrupt binary data
like that in JPEG or EXE files.
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CPU Privilege Rings: Why rings 1 and 2 aren't used?
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As a hobbyist operating system writer, I found that because paging (a major part of the modern protection model) only has a concept of privileged (ring 0,1,2) and unprivileged, the benefit to rings 1 and 2 were diminished greatly.
The intent by Intel in having rings 1 and 2 is ...
Case insensitive access for generic dictionary
I have an application that use managed dlls. One of those dlls return a generic dictionary:
3 Answers
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