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React.js: onChange event for contentEditable
... better use {...this.props} so that the client can customize this behavior from the outside
– Sebastien Lorber
Jun 11 '15 at 12:49
1
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
...however, is to address the question, “How do I get an HttpContext object from HttpContextBase?”, literally. The illustrated technique is useful in those situations where you find yourself sandwiched between components you don't necessarily have the luxury to modify.
...
What does immutable mean?
...
hello from 2015!! "On a lower level, immutability means that the memory the string is stored in will not be modified. " --- this is too restrictive and does not sound right. Immutability is only about userland, the virtual memory m...
What is the best way to get all the divisors of a number?
...
To expand on what Shimi has said, you should only be running your loop from 1 to the square root of n. Then to find the pair, do n / i, and this will cover the whole problem space.
As was also noted, this is a NP, or 'difficult' problem. Exhaustive search, the way you are doing it, is about as ...
How do I add a submodule to a sub-directory?
...hs given to the submodule command, dropping the requirement that it be run from the top-level of the repository.
Since the interpretation of a relative submodule URL depends on whether or not "remote.origin.url" is configured, explicitly block relative URLs in "git submodule add" when not at th...
Fixing slow initial load for IIS
... the app pool will also recycle by default every 1740 minutes (29 hours).
From technet:
Internet Information Services (IIS) application pools can be
periodically recycled to avoid unstable states that can lead to
application crashes, hangs, or memory leaks.
As long as app pool recycling i...
SQLAlchemy: What's the difference between flush() and commit()?
...a Session object to query the database, the query will return results both from the database and from the flushed parts of the uncommitted transaction it holds. By default, Session objects autoflush their operations, but this can be disabled.
Hopefully this example will make this clearer:
#---
s =...
Determine if Python is running inside virtualenv
....base_prefix is the prefix of the system Python the virtualenv was created from.
The above always works for Python 3 stdlib venv and for recent virtualenv (since version 20). Older versions of virtualenv used sys.real_prefix instead of sys.base_prefix (and sys.real_prefix did not exist outside a vir...
What is the common header format of Python files?
...irst line should be a short summary that makes sense on its own, separated from the rest by a newline.
All code, including import statements, should follow the docstring. Otherwise, the docstring will not be recognized by the interpreter, and you will not have access to it in interactive sessions (i...
Is there a (repeat-last-command) in Emacs?
... Emacs Lisp package, which is included with standard Emacs distributions. From repeat.el's documentation:
This package defines a command that
repeats the preceding command,
whatever that was, including its
arguments, whatever they were. This
command is connected to the key C-x z.
To r...