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How to throw std::exceptions with variable messages?
...r() << foo << 13 << ", bar" << myData); // implicitly cast to std::string
throw std::runtime_error(Formatter() << foo << 13 << ", bar" << myData >> Formatter::to_str); // explicitly cast to std::string
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Static class initializer in PHP
I have an helper class with some static functions. All the functions in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
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How can I hash a password in Java?
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You can actually use a facility built in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("pas...
SPAN vs DIV (inline-block)
...ock.
So, if your element is inline or inline-block use a <span>. If it's a block level element, use a <div>.
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How do I include a pipe | in my linux find -exec command?
... output of one process into the input of another process is the responsibility of the shell (/bin/sh or equivalent).
In your example you can either choose to use your top level shell to perform the piping like so:
find -name 'file_*' -follow -type f -exec zcat {} \; | agrep -dEOE 'grep'
In term...
Python Unicode Encode Error
... an Amazon XML file and while the XML file shows a ' , when I try to print it I get the following error:
9 Answers
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Should I URL-encode POST data?
I'm POSTing data to an external API (using PHP, if it's relevant).
4 Answers
4
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Delete files older than 10 days using shell script in Unix [duplicate]
...ime +10 -type f -delete
EXPLANATIONS
./my_dir your directory (replace with your own)
-mtime +10 older than 10 days
-type f only files
-delete no surprise. Remove it to test your find filter before executing the whole command
And take care that ./my_dir exists to avoid bad surprises !
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php $_POST array empty upon form submission
... a Form, but came here looking for answers for similar issue when POSTing with JSON content-type. Found the answer and wanted to share it as it cost me much time.
When using JSON content-type the $_POST array will not populate (only with multi-part forms I believe)
Here is what did work to correct...
Why does sys.exit() not exit when called inside a thread in Python?
...t Python and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread.
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