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What are all the possible values for HTTP “Content-Type” header?
...n/javascript
application/octet-stream
application/ogg
application/pdf
application/xhtml+xml
application/x-shockwave-flash
application/json
application/ld+json
application/xml
application/zip
application/x-www-form-urlencoded
Type audio
audio/mpeg
audio/x-ms-wma
...
How to unset a JavaScript variable?
...ator
http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf
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How to make a HTML Page in A4 paper size page(s)?
... be considered an absolute fit for an A4 page. A good test is to print->PDF directly from Chrome and scroll through the preview page thumbs; even with no margins set, the full height must be reduced to avoid overflow -> that causes all even-numbered pages to be blank.
– c...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...显示。
关于GB18030 ：由thunderbird或某些客户端软件发出的中文邮件编码是GB18030，部分内容甚至全部乱码。经过仔细检查发现是Perl 目前版本（5.8.8或以下）缺少了GB18030码表，因此增加了Encode::HanExtra码表模块的支持，解决了此问...
Django ModelForm: What is save(commit=False) used for?
...easheet"
if attachment.filename.lower().endswith(('.doc','.pdf','.rtf','.txt')):
attachment.file_type = "text"
attachment.save()
here is my example of using save(commit=False). I wanted to check what type of file a user uploaded before saving it ...
Learning Ruby on Rails
...ment with Rails; both books have been excellent.
Peepcode screencasts and PDF books have also been great for getting started; at $9 per screencast it's hard to go wrong. I actually bought a 5-pack.
Also check out the following:
Official Rails Guides
Railscasts
railsapi.com or Ruby on Rails - AP...
Interfaces with static fields in java for sharing 'constants'
... composable behavior, see http://scg.unibe.ch/archive/papers/Scha03aTraits.pdf. For a short description of how traits in Scala compare with interfaces in Java, see http://www.codecommit.com/blog/scala/scala-for-java-refugees-part-5. In the context of teaching OO design, simplistic rules like asser...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...plicit vectorization/intrinsics (similar to agner.org/optimize/vectorclass.pdf). Even better would be to write a good Java backend for Aparapi (although the leadership of that project has some wrong goals). Do you work on the JVM?
– Aleksandr Dubinsky
Oct 14 '1...
See what process is using a file in Mac OS X
...
lsof | grep myfilename worked for me. I've got a PDF file in my Trash that the system claims is in use. Weirdly lsof claims it's in use by Preview but Preview doesn't seem to be running (eg when I command-tab through the running apps) but Activity Monitor does show it to b...
Saving images in Python at a very high quality
... Good point - DPI is not needed for vector formats like svg, pdf, eps
– spencerlyon2
Mar 12 '19 at 13:32
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