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What does ||= (or-equals) mean in Ruby?
...ttp://www.rubyinside.com/what-rubys-double-pipe-or-equals-really-does-5488.html
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Django self-referential foreign key
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https://books.agiliq.com/projects/django-orm-cookbook/en/latest/self_fk.html
class Employee(models.Model):
manager = models.ForeignKey('self', on_delete=models.CASCADE)
OR
class Employee(models.Model):
manager = models.ForeignKey("app.Employee", on_delete=models.CASCADE)
https://sta...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
... +1. I'm trying to build 32-bit taglib(developer.kde.org/~wheeler/taglib.html) on a 64-bit snow leopard. This works for me.
– edwardw
Jul 16 '11 at 17:05
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Case insensitive string compare in LINQ-to-SQL
...urdotnetdesignteam.blogspot.com/2010/06/case-sensitive-linq-to-sql-queries.html
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...针
http://www.360doc.com/content/12/0731/15/5073814_227474024.shtml
dd nt!KeServiceDescriptorTable
!drvobj 驱动名称 : The !drvobj extension displays detailed information about a DRIVER_OBJECT.
u 反汇编
uf 反汇编函数
p 单步
bp(bu,bm) 断点
g
.cls
.reload...
How to activate JMX on my JVM for access with jconsole?
...here:
http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html
Start your program with following parameters:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.port=9010
-Dcom.sun.management.jmxremote.local.only=false
-Dcom...
How to “git clone” including submodules?
...-submodule(1) man page (kernel.org/pub/software/scm/git/docs/git-submodule.html). You'll find out that git submodule update supports a nice parameter called --recursive.
– joschi
Sep 26 '10 at 7:30
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How do I create an abstract base class in JavaScript?
...inheritance in JavaScript: http://www.crockford.com/javascript/inheritance.html
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How can I convert an image into Base64 string using JavaScript?
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You can use the HTML5 <canvas> for it:
Create a canvas, load your image into it and then use toDataURL() to get the Base64 representation (actually, it's a data: URL, but it contains the Base64-encoded image).
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Re-doing a reverted merge in Git
...urrected, thanks: blog.jdwyah.com/2015/07/dealing-with-git-merge-revisions.html
– jdwyah
Jul 7 '15 at 19:36
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