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Scalar vs. primitive data type - are they the same thing?
...++ objects
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1995/N0774.pdf
I'm curious about whether this refers to whether these items would have a value of 'scale'? - Such as counting numbers.
share
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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 ...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
... 息的话，那么当保存状态信息的server宕机的时候，我们怎么办?通常来说，我们都是通过集群来解决这个问题，而通常所说的集群，不仅有负载均衡，更重要的是要有失效恢复failover,比如tomcat采 用的集群节点广播复制，jboss采 用...
Mapping two integers to one, in a unique and deterministic way
... -> N mapping. These are used for e.g. dovetailing. Have a look at this PDF for an introduction to so-called pairing functions. Wikipedia introduces a specific pairing function, namely the Cantor pairing function:
Three remarks:
As others have made clear, if you plan to implement a pairing f...
What is tail call optimization?
...nd space efficiency": cesura17.net/~will/Professional/Research/Papers/tail.pdf
– J D
Aug 12 '13 at 20:47
3
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How to create a multi-tenant database with shared table structures?
...perforce.com/media/ForcedotcomBookLibrary/Force.com_Multitenancy_WP_101508.pdf
They have 1 huge table w/ 500 string columns (Value0, Value1, ... Value500). Dates and Numbers are stored as strings in a format such that they can be converted to their native types at the database level. There are me...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...alization and TF-IDF: site.uottawa.ca/~diana/csi4107/cosine_tf_idf_example.pdf
– Mike B.
Aug 12 '14 at 10:41
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Download a file by jQuery.Ajax
...ludes many other, 'better UX' examples as well.
$.fileDownload('some/file.pdf')
.done(function () { alert('File download a success!'); })
.fail(function () { alert('File download failed!'); });
Depending on what browsers you need to support you may be able to use https://github.com/eligre...
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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How to render and append sub-views in Backbone.js
... is example code lifted from Recipes With Backbone, found on page 42 of my PDF edition:
...
render: function() {
$(this.el).html(this.template());
this.addAll();
return this;
},
addAll: function() {
this.collection.each(this.addOne);
},
addOne: function(model) {
view = new V...