大约有 40,000 项符合查询结果（耗时：0.0566秒） [XML]
What is in your Mathematica tool bag? [closed]
...y way to do this. For a long time, I used a version where you redefine the DownValues at run-time, you can look at this post groups.google.com/group/comp.soft-sys.math.mathematica/…, for an example (SetDelayed redefinition). But my method is less elegant, less robust, more error-prone, and makes b...
How to find all the subclasses of a class given its name?
...main__.Bing'>]
This could be improved by moving the eval('ClassName') down into the function defined, which makes using it easier without loss of the additional generality gained by using eval() which unlike vars() is not context-sensitive:
# easier to use version
def all_subclasses2(classname...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...53b3d0182
Configuration: x64
Version: 6.0.2900.2180
Direct Download URL: https://download.microsoft.com/download/8/B/4/8B42259F-5D70-43F4-AC2E-4B208FD8D66A/vcredist_x64.EXE
Microsoft Visual C++ 2005 Redistributable (x86)
Registry Key: HKLM\SOFTWARE\Classes\Installer\Products\c1c4f01781cc94c4c8fb1...
What does axis in pandas mean?
...ou talk about acting on rows as being axis=0 yet you draw red arrows going down columns. You talk about axis=1 acting on columns, yet you draw arrows going across a row. Whoever came up with this system didn't think it through very well.
– rocksNwaves
Mar 8 at ...
How do you use bcrypt for hashing passwords in PHP?
.... Several exist depending on your requirements.
Libraries
Here is a breakdown of some of the more common APIs.
PHP 5.5 API - (Available for 5.3.7+)
Starting in PHP 5.5, a new API for hashing passwords is being introduced. There is also a shim compatibility library maintained (by me) for 5.3.7+. ...
How do I create a constant in Python?
...
Why is this answer still so far down?! The __slots__ solution is so elegant and effective. From everything I have read, this is about as close as it gets to creating constants in Python. Thank you very much. And for everyone interested, here is a brilliant ...
How to install an npm package from GitHub directly?
...
Because https://github.com/visionmedia/express is the URL of a web page and not an npm module. Use this flavor:
git+https://github.com/visionmedia/express.git
or this flavor if you need SSH:
git+ssh://git@github.com/visionmedia/exp...
C# vs Java Enum (for those new to C#)
... a java camp. (The link points to the differences about enums (scroll up / down for other things)
share
|
improve this answer
|
follow
|
...
“Undefined reference to” template class constructor [duplicate]
...ker will correctly ignore the duplicate implementations. But it might slow down the compilation a little.
Summary
The default answer, used by the STL for example and in most of the code that any of us will write, is to put all the implementations in the header files. But in a more private project,...
Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js
...Google Analytics, you need to edit the snippet provided and explicitly use https:// instead of the protocol-relative URL by default. This means changing
'//www.google-analytics.com/analytics.js'
into
'https://www.google-analytics.com/analytics.js'
Example:
<script>
(function(i,s,o,g,r...