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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

...isual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd. You could create a macro: #if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__ #define JL_SIZE_T_SPECIFIER "%Iu" #define JL_SSIZE_T_SPECIFIER "%Id" ...
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Can I run multiple programs in a Docker container?

.... My application is simply a flask web application and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be only ENTRYP...
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What does the PHP error message “Notice: Use of undefined constant” mean?

...l_escape_string($_POST['message']); As is, it was looking for constants called department, name, email, message, etc. When it doesn't find such a constant, PHP (bizarrely) interprets it as a string ('department', etc). Obviously, this can easily break if you do defined such a constant later (tho...
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When to use NSInteger vs. int

... You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a ...
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How to delete a file via PHP?

... Check your permissions first of all on the file, to make sure you can a) see it from your script, and b) are able to delete it. You can also use a path calculated from the directory you're currently running the script in, eg: unlink(dirname(__FILE__) . "/...
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enum - getting value of enum on string conversion

...>> member.value 1 You could add a __str__ method to your enum, if all you wanted was to provide a custom string representation: class D(Enum): def __str__(self): return str(self.value) x = 1 y = 2 Demo: >>> from enum import Enum >>> class D(Enum): ...
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Resetting generator object in Python

I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times. ...
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What does the slash mean in help() output?

...python functions. Also see the Argument Clinic documentation: To mark all parameters as positional-only in Argument Clinic, add a / on a line by itself after the last parameter, indented the same as the parameter lines. and the (very recent addition to) the Python FAQ: A slash in the argu...
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Download the Android SDK components for offline install

Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) ...
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Does this app use the Advertising Identifier (IDFA)? - AdMob 6.8.0

...it Ad Tracking. Including Limit Ad Tracking. This is what the last box is all about. So you must check the that box if you use AdMob. If you use other SDK I strongly recommend checking if they respect the guidelines as well. Since I run only ads (Google AdMob), I checked the first (Serve ads...) a...