大约有 44,000 项符合查询结果（耗时：0.0567秒） [XML]
How to determine the memory footprint (size) of a variable?
...g support since the 2.* version. Please search for the "removed functions" string here: http://www.xdebug.org/updates.php
Removed functions
Removed support for Memory profiling as that didn't work properly.
Other Profiler Options
php-memory-profiler
https://github.com/arnaud-lb/php-memory-profiler...
Windows 7, 64 bit, DLL problems
...ication refused to start with the error message that API-MS-WIN-CORE-WINRT-STRING-L1-1-0.DLL is not found by simply updating Visual Studio.
I don't think that my build environment (Windows 7 Pro SP1, Visual Studio Ultimate 2012) was messed up completely, it worked fine for most of my projects. But...
What is the most compatible way to install python modules on a Mac?
...r elixir
( make sure you always type pip-(version) )
That will build an extra Python library in your home dir. Yes, Python will work with more than one library location: one controlled by MacPorts and a user local one for everything missing within MacPorts.
Now notice that I favor pip over easy_...
Static linking vs dynamic linking
... require a some kind of glue layer which often means double dispatch or an extra layer of indirection in function addressing and can cost a little speed (but is function calling time actually a big part of your running time???).
However, if you are running multiple processes which all call the same...
I need to securely store a username and password in Python, what are my options?
...assword` to save username onto keyring
# we're just using some known magic string in the username field
keyring.set_password(service_id, MAGIC_USERNAME_KEY, username)
Later to get your info from the keyring
# again, abusing `get_password` to get the username.
# after all, the keyring is just a ke...
Python Logging (function name, file name, line number) using a single file
... to the current instance. The trick being used that is stumping you is the string formatting using a dict as the RHS of the % operator. "%(foo)s" % bar will be replaced by whatever the value of bar["foo"] is.
Finally, you can use some introspection tricks, similar to those used by pdb that can log ...
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
...
Aha so by using * you are adding extra work for the DB. Ok that's one reason I hadn't thought of.
– Ankur
Jun 4 '10 at 6:50
1
...
What is the purpose of backbone.js?
... and are generally bad form. Data attributes stored in the DOM can only be strings, you will have to parse them in and out again. It's difficult to store things like arrays, dates or objects, and to parse your data in a structured form.
Data attributes look like this:
<p data-username="derek" d...
Linux bash: Multiple variable assignment
...
Why not avoid 4 subshells plus an extra sed process, and just do all that in one line: IFS=/ read -r m d y < <(echo 12/29/2009)
– Amit Naidu
May 11 at 10:03
...
How to return multiple lines JSX in another return statement in React?
...act/blog/2017/09/26/react-v16.0.html#new-render-return-types-fragments-and-strings
EDIT: React 16.2 lets you surround a list of elements with <Fragment>…</Fragment> or even <>…</>, if you prefer that to an array: https://blog.jmes.tech/react-fragment-and-semantic-html/
...