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Delete all Duplicate Rows except for One in MySQL? [duplicate]
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Excellent solution. It worked perfectly. But I have one suggestion here we should swap the conditions. Instead of [WHERE n1.id > n2.id AND n1.name = n2.name] we should write [WHERE n1.name = n2.name AND n1.id > n2.id] i...
Ruby on Rails Server options [closed]
...he hybrid I/O model in Phusion Passenger Enterprise 4 or later makes it an excellent choice for these kinds of workloads.
Other app servers require the user to run at least one instance per application. By contrast, Phusion Passenger supports multiple applications in a single instance. This greatl...
Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...必须安装Office软件。
2、导出PDF文件本身是个打印过程，Excel页面格式未设置，会出现一张表格打印出多页来，阅读体验大大下降。
3、转换过程非常耗费资源，低配的CPU几乎能跑满，服务器卡死。转换时间也非常漫长，这个时...
What modern C++ libraries should be in my toolbox? [closed]
... @OliverStutz I've added some XML libraries. Credit goes to this excellent answer which contains an analysis of which one to use.
– JBentley
Dec 1 '13 at 20:32
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Fluent Validation vs. Data Annotations [closed]
...view models
Unit testing is far easier compared to Data Annotations
It has excellent client side validation support for most standard validation rules
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How do I specify a pointer to an overloaded function?
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Hurray for lambdas! Indeed, an excellent solution to the overload resolution problem. (I thought of this also, but decided to leave it out of my answer so as not to muddy the waters.)
– aldo
Feb 17 '14 at 21:20
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Python Graph Library [closed]
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There are two excellent choices:
NetworkX
and
igraph
I like NetworkX, but I read good things about igraph as well. I routinely use NetworkX with graphs with 1 million nodes with no problem (it's about double the overhead of a dict of...
Are there any open source C libraries with common data structures? [closed]
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Gnome provides an excellent library for this, called Glib, with many useful data structures and other utilities as well.
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Do zombies exist … in .NET?
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i remember when i played with saving stuff in excel using a backgroundworker i didnt released all the resources all the time (because i just skipped debugging etc). in the taskmanager i saw afterwards about 50 excel processes. did i create zombieexcelprocesses?
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How to get 30 days prior to current date?
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Try using the excellent Datejs JavaScript date library (the original is no longer maintained so you may be interested in this actively maintained fork instead):
Date.today().add(-30).days(); // or...
Date.today().add({days:-30});
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