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uint8_t can't be printed with cout
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It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to u...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Formatting Phone Numbers in PHP
... SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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How to write binary data to stdout in python 3?
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import os
os.write(1, a.tostring())
or, os.write(sys.stdout.fileno(), …) if that's more readable than 1 for you.
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The difference between sys.stdout.write and print?
... open('log.txt', 'w') # redirect all prints to this log file
print("testing123") # nothing appears at interactive prompt
print("another line") # again nothing appears. it's written to log file instead
sys.stdout.close() # ordinary file object
sys.stdout = tem...
What is the behavior difference between return-path, reply-to and from?
...mpany.com>
Subject: Super simple email
Reply-To: <coolstuff-threadId=123@mymailinglist.com>
This is a very simple body.
Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets sa...
REST authentication and exposing the API key
...eed REFERER. Still, it is secure:
When our get-csrf-token.js?apiKey=abc123 is requested:
Look up the key abc123 in the database and get a list of valid domains for that key.
Look for the CSRF validation cookie. If it does not exist, generate a secure random value and put it in a HTTP-only sess...
How to make the hardware beep sound in Mac OS X 10.6
I just want that Mac OS X 10.6 does a hardware beep sound like in open suse and other distributions. I tried following approaches
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Subprocess changing directory
...change another process's working directory (again, at least on a UNIX-like OS, but as well on Windows), this call will have the subshell change its dir and exit immediately.
What you want can be achieved with os.chdir() or with the subprocess named parameter cwd which changes the working directory ...
Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
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For those who are curious what's going on, this command makes a symbolic link from the second location to the first. When the gem looks for the MySQL client library under /usr/lib, that link will resolve to the location where it's ...