大约有 1,770 项符合查询结果（耗时：0.0189秒） [XML]
Where does 'Hello world' come from?
... Looking at (the?) BCPL manual cm.bell-labs.com/cm/cs/who/dmr/bcpl.pdf I don't see it
– barlop
Jan 19 '14 at 19:01
1
...
Save plot to image file instead of displaying it using Matplotlib
...m matplotlib import pyplot as plt
plt.savefig('foo.png')
plt.savefig('foo.pdf')
Will give a rasterized or vectorized output respectively, both which could be useful. In addition, you'll find that pylab leaves a generous, often undesirable, whitespace around the image. Remove it with:
savefig('fo...
How do I render a partial of a different format in Rails?
...tion in some cases — e.g. rendering a HTML template from inside a format.pdf block can only be done with render "template", formats: [:html], content_type: "text/html". I need this because I allow direct download of samples of my books only for members of my email list — regular visitors get a ...
What file uses .md extension and how should I edit them?
... use a word processor or Acrobat for non .txt textual files like .doc and .pdf.
– labyrinth
Mar 24 '15 at 20:56
1
...
Comparison of CI Servers? [closed]
...h that planning I created this wallchart on the Elements of Enterprise CI (PDF; no registration required). Please don't let the "E-word" put you off; I just mean stuff beyond the basic fast feedback CI build. :)
It isn't tool specific but lists a variety of practices you might consider while you're...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...thod and it's described in this paper:
http://threekings.tk/mirror/ryb_TR.pdf
as "Paint Inspired Color Compositing".
The algorithm generates the colors and each new color is chosen to maximize its euclidian distance to the previously selected ones.
Here you can find a a good implementation in ja...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
... require.
BEGIN failed--compilation aborted.请问是什么原因?应该怎么解决?
A:
安装了perl－Cyrus包后就好了。
QUOTE:
Q：
[root@mail postfix]# /usr/sbin/postfix start
postfix/postfix-script: warning: not owned by postfix: /var/spool/postfix...
Is the SQL WHERE clause short-circuit evaluated?
...
ANSI SQL Draft 2003 5WD-01-Framework-2003-09.pdf
6.3.3.3 Rule evaluation order
[...]
Where the precedence is not determined by the Formats or by
parentheses, effective evaluation of expressions is generally
performed from left to right. However, it is
implementation-de...
JavaScript blob filename without link
...work for me because I need to open the file in a new tab. I have to show a PDF in Chrome, but I need to show a user friendly name in the URL toolbar, and if the user wants to download through the download icon, I have to put the same user friendly name in the file.
– Adrián Pa...
java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要减少数据库查询的次数,减少数据库计算的压力吗,现在怎么又用数据库作为缓存的介质了呢.这是因为数 据库又很多种类型,比如berkleydb,这种db不支持sql语句,没有sql引擎,只是key和value的存储结构,所以速度非常的快,在当代一 般的...