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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)

... EXEC('SELECT * FROM FOO WHERE ID=?', 123) will replace the parameter placeholder "?" with the value 123 and then execute the query, returning a result for SELECT * FROM FOO WHERE ID=123 – Peter Wone Jun 1 '10 at 23:27 ...
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sed: print only matching group

...it with a 2nd grep. # To extract \1 from /xx([0-9]+)yy/ $ echo "aa678bb xx123yy xx4yy aa42 aa9bb" | grep -Eo 'xx[0-9]+yy' | grep -Eo '[0-9]+' 123 4 # To extract \1 from /a([0-9]+)b/ $ echo "aa678bb xx123yy xx4yy aa42 aa9bb" | grep -Eo 'a[0-9]+b' | grep -Eo '[0-9]+' 678 9 ...
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Extract a part of the filepath (a directory) in Python

... import os ## first file in current dir (with full path) file = os.path.join(os.getcwd(), os.listdir(os.getcwd())[0]) file os.path.dirname(file) ## directory of file os.path.dirname(os.path.dirname(file)) ## directory of directory of...
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How to open every file in a folder?

... Os You can list all files in the current directory using os.listdir: import os for filename in os.listdir(os.getcwd()): with open(os.path.join(os.cwd(), filename), 'r') as f: # open in readonly mode # do your stuff...
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Import a module from a relative path

...se this in production in several products and works in many special scenarios like: scripts called from another directory or executed with python execute instead of opening a new interpreter. import os, sys, inspect # realpath() will make your script run, even if you symlink it :) cmd_folder = o...
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Extracting extension from filename in Python

... Yes. Use os.path.splitext(see Python 2.X documentation or Python 3.X documentation): >>> import os >>> filename, file_extension = os.path.splitext('/path/to/somefile.ext') >>> filename '/path/to/somefile' &...
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How do I find out my python path using python?

...HONPATH environment variable. To query the variable directly, use: import os try: user_paths = os.environ['PYTHONPATH'].split(os.pathsep) except KeyError: user_paths = [] share | improve t...
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Find a file in python

... os.walk is the answer, this will find the first match: import os def find(name, path): for root, dirs, files in os.walk(path): if name in files: return os.path.join(root, name) And this will find a...
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

If there's some cross-platform C/C++ code that should be compiled on Mac OS X, iOS, Linux, Windows, how can I detect them reliably during preprocessor process? ...
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What is the difference between os.path.basename() and os.path.dirname()?

What is the difference between os.path.basename() and os.path.dirname() ? 2 Answers ...