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rails 3 validation on uniqueness on multiple attributes
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96
Multiple Scope Parameters:
class TeacherSchedule < ActiveRecord::Base
validates_uniquenes...
How do I declare a namespace in JavaScript?
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96
I normally build it in a closure:
var MYNS = MYNS || {};
MYNS.subns = (function() {
func...
bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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Attaching 1 probe...
^C
@[bpftrace]: 6
@[systemd]: 24
@[snmp-pass]: 96
@[sshd]: 125
按Ctrl-C后打印进程的系统调用计数。
@: 表示一种特殊的变量类型，称为map，可以以不同的方式来存储和描述数据。你可以在@后添加可选的变量名，增加...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
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KING BAHAMAKING BAHAMA
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How to attach my repo to heroku app
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96
If you're using the Heroku Toolbelt, the newer syntax is
heroku git:remote -a project
See thi...
Why are C++ inline functions in the header?
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CB BaileyCB Bailey
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Text overflow ellipsis on two lines
...rDsYoVx+JYz7mXXNSp/a0RN25JMcLPP8umzRcTZW77tNyk63tdprzXdmO+2ZdD9MFe56Y9z3LUG96mcX02n/CW71JH6Qmf8px/cw77ZvVzB+BCj8D5vxhn/vXZh6D4uzf1rN+Cc347j79q/zUL25TPrJMfG/5LvuNZP8rixeZz/mf+vU+Vut+5NL5gPOeb/sd1dZbTs03hBuvmV5JuaRyMfk849nEM7qnEk6IHI8/qn049hB35QGHiv0yZXuMdkXtYC3ebrglcqvYxoj1muvC1nDlrzJYGbpcdHHIMo2FwYv...
converting double to integer in java
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Double perValue = 96.57;
int roundVal= (int) Math.round(perValue);
Solved my purpose.
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Return a `struct` from a function in C
...student;
student.maths= 87;
student.chem = 67;
student.physics=96;
struct marks avg;
avg.maths= 55;
avg.chem = 45;
avg.physics=34;
//struct marks dev;
struct marks dev= deviation(student, avg );
printf("%d %d %d" ,dev.maths,dev.chem,dev.physics);
return ...
Delete fork dependency of a GitHub repository
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TapioTapio
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