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uint8_t can't be printed with cout
...he blank actually.
You have to convert aa to unsigned int to output the numeric value, since ostream& operator<<(ostream&, unsigned char) tries to output the visible character value.
uint8_t aa=5;
cout << "value is " << unsigned(aa) << endl;
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How do I run a Node.js application as its own process?
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2016 answer: nearly every Linux distribution comes with systemd, which means forever, monit, PM2, etc. are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app...
Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
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What are the best practices for SQLite on Android?
...nnection. Even if you use it from multiple threads, one connection at a time. The SqliteDatabase object uses java locks to keep access serialized. So, if 100 threads have one db instance, calls to the actual on-disk database are serialized.
So, one helper, one db connection, which is serialized ...
connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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How does the HyperLogLog algorithm work?
I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list.
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git ignore all files of a certain type, except those in a specific subfolder
...the
pattern; any matching file excluded by
a previous pattern will become
included again. If a negated pattern
matches, this will override lower
precedence patterns sources.
http://schacon.github.com/git/gitignore.html
*.json
!spec/*.json
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What Does Question Mark Mean in Xcode Project Navigator?
...the project navigator in Xcode, I am not sure what the ? is trying to tell me next to the file name.
7 Answers
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How to include js file in another js file? [duplicate]
...id, you can write JavaScript which loads your "included" script into the same page:
var imported = document.createElement('script');
imported.src = '/path/to/imported/script';
document.head.appendChild(imported);
There's a good chance your code depends on your "included" script, however, in which...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
...to convert a date from dd/mm/yyyy => yyyy-mm-dd . I have using the mktime() function and other functions but I cannot seem to make it work. I have managed to explode the original date using '/' as the delimiter but I have no success changing the format and swapping the '/' with a '-' .
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