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How to get nice formatting in the Rails console
...> Sat, 06 Mar 2010 16:33:10 UTC +00:00,
:email => "info@hayesdubuque.com",
:background_info => nil
},
[1] #<Account:0x103321ff0> {
:id => 2,
:user_id => 4,
:assigned_to => 4,
...
How to automatically generate a stacktrace when my program crashes
...any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in the libc manual.
Here's an example program that installs a SIGSEGV handler and prints a stacktrace to stderr ...
How do you diff a directory for only files of a specific type?
...ation/dir/1 /destination/dir/2
From the Comparing Directories section of info diff (on my system, I have to do info -f /usr/share/info/diff.info.gz):
To ignore some files while comparing directories, use the '-x
PATTERN' or '--exclude=PATTERN' option. This option ignores any files
or subd...
Is there an ignore command for git like there is for svn?
...ng else will match files in whatever subdirectory.
You can also edit .git/info/exclude to ignore specific files just in that one working copy. The .git/info/exclude file will not be committed, and will thus only apply locally in this one working copy.
You can also set up a global file with pattern...
Use numpy array in shared memory for multiprocessing
...multiprocessing as mp
from contextlib import closing
import numpy as np
info = mp.get_logger().info
def main():
logger = mp.log_to_stderr()
logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(sha...
Opening a folder in explorer and selecting a file
...ting quotes around the path will work when using Process.Start(ProcessStartInfo).
It will NOT work when using Process.Start(string, string) however. It seems like Process.Start(string, string) actually removes the quotes inside of your args.
Here is a simple example that works for me.
string p =...
How do you determine what technology a website is built on? [closed]
...lly give you any certainty as to the technology behind a site. In general, information like that is something people will want to hide, as the more information that is exposed the easier it might be for malicious parties to identify security vulnerabilities or denial of service holes.
If I was inte...
How do you make Git ignore files without using .gitignore?
...es down to the directory containing the file.
Patterns read from $GIT_DIR/info/exclude.
Patterns read from the file specified by the configuration variable core.excludesfile.
The last two can be a solution for your problem but:
they are not replicated for a distant repository
they can have thei...
How do I run a program with commandline arguments using GDB within a Bash script?
... GDB is GNU. To view the full documentation of GNU tools, remember to use info gdb next time :-).
– Apteryx
Jan 15 at 18:33
...
List of tables, db schema, dump etc using the Python sqlite3 API
...es)
for table_name in table_names:
result = cur.execute("PRAGMA table_info('%s')" % table_name).fetchall()
column_names = zip(*result)[1]
print ("\ncolumn names for %s:" % table_name)+newline_indent+(newline_indent.join(column_names))
db.close()
print "\nexiting."
(EDIT: I have been ...