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Showing the stack trace from a running Python application
...d("\n# Thread: %s(%d)" % (id2name.get(threadId,""), threadId))
for filename, lineno, name, line in traceback.extract_stack(stack):
code.append('File: "%s", line %d, in %s' % (filename, lineno, name))
if line:
code.append(" %s" % (line.strip()))
pr...
How do you enable “Enable .NET Framework source stepping”?
...rce' server it fails (404). As this fails, I think it cannot map to source files on that server.
http://referencesource.microsoft.com/symbols/mscorlib.pdb/ED96A7F38A2940F39B9CA7AD9BC5CB671/mscorlib.pdb
After the above failure, it tries some server called 'msdl' where it finds the actual PDB (but i...
When do you use Git rebase instead of Git merge?
... seeing. I just did a quick test to verify. Create a directory with a text file, init a new repo, add the file and commit. Checkout a new feature branch (checkout -b feature.) Change the text file, commit and repeat so that there are two new commits on the feature branch. Then checkout master and me...
What is the use of the @ symbol in PHP?
...e following code example:
function bad_error_handler($errno, $errstr, $errfile, $errline, $errcontext) {
echo "[bad_error_handler]: $errstr";
return true;
}
set_error_handler("bad_error_handler");
echo @(1 / 0);
// prints "[bad_error_handler]: Division by zero"
The error handler did not c...
Error when trying to obtain a certificate: The specified item could not be found in the keychain
...found in the keychain.
I also got the same error when I went through the file menu: Keychain Access > Certificate Assistant
What I've gathered from other internet sources is that Keychain Access DOES NOT allow you to create a new CSR if you imported the private key, only if you created the key...
No output to console from a WPF application?
...bug\Example.exe > output.txt
will write all the content to output.txt file.
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How to set JVM parameters for Junit Unit Tests?
...at least in IntelliJ) across environments. You can commit IntelliJ project files to your repository: it might work, but I do not recommend it.
You know how to set these for maven-surefire-plugin. Good. This is the most portable way (see Ptomli's answer for an example).
For the rest - you must reme...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
... web. The observations occur every 5 minutes and are compiled into monthly files for each weather station. Once I'm done parsing a file, the DataFrame looks something like this:
...
Using sed, how do you print the first 'N' characters of a line?
...
colrm x
For example, if you need the first 100 characters:
cat file |colrm 101
It's been around for years and is in most linux's and bsd's (freebsd for sure), usually by default. I can't remember ever having to type apt-get install colrm.
...
Determine if a function exists in bash
...e to perform an admittedly minimal access, to check if there is a matching file. @Lloeki, you're quite correct, but it is the option that produces minimal output, and you can still use the errorlevel. You could get the result without a subprocess, eg type -t realpath > /dev/shm/tmpfile ; read &l...