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驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...
驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网 - ...
...动进行更大程度的控制。
为什么是 OOM Killer？
主要发行版内核设置/proc/sys/vm/overcommit_memory的默认值 为零，这意味着进程可以请求比系统中当前可用的内存更多的内存。这是基于试探法完成的，即分配的内存不会立即使用，并...
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...
HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...站）
https://www.haproxy.org/download/1.8/src/haproxy-1.8.14.tar.gz （下载地址）
http://cbonte.github.io/haproxy-dconv/1.8/configuration.html （文档Haproxy 1.8 文档）
HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理，支持虚拟主机，它是免费、...
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...
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...
Convert data.frame column format from character to factor
...tml
R Reference card: http://cran.r-project.org/doc/contrib/Short-refcard.pdf
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