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Repeat each row of data.frame the number of times specified in a column
...lt:
var1 var2
1 a d
2 b e
2.1 b e
3 c f
3.1 c f
3.2 c f
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Cannot change version of project facet Dynamic Web Module to 3.0?
...
Here is a valid header for an 3.1 web.xml file <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="w3.org/2001/XMLSchema-instance" xmlns="xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="xmlns.jcp.org/xml/ns/javaee xmlns.jcp.org/xml/ns/...
Programmatically obtain the Android API level of a device?
...oid 3.0 Honeycomb
12 HONEYCOMB_MR1 Android 3.1 Honeycomb
13 HONEYCOMB_MR2 Android 3.2 Honeycomb
14 ICE_CREAM_SANDWICH Android 4.0 Ice Cream Sandwich
15 ICE_CREAM_SANDWICH_MR1 Android 4.0...
How do I specify the Linq OrderBy argument dynamically?
...
Yes, @Mildan , This breaks in 3.0 and 3.1 for me as well. with the error ~"cant translate". I use Pomelo for MySQl if that is relevant. The problem is the Expression. IF you hand code the expression it works. So instead of Lambda.Expression() just provide someth...
How do I convert a float number to a whole number in JavaScript?
...
function float2int (value) {
return value | 0;
}
Results
float2int(3.1) == 3
float2int(-3.1) == -3
float2int(3.9) == 3
float2int(-3.9) == -3
Performance comparison?
I've created a JSPerf test that compares performance between:
Math.floor(val)
val | 0 bitwise OR
~~val bitwise NOT
parseIn...
Cannot ping AWS EC2 instance
...seq=15 ttl=64 time=4.8 ms
64 bytes from 10.0.0.14: icmp_seq=16 ttl=64 time=3.1 ms
64 bytes from 10.0.0.14: icmp_seq=17 ttl=64 time=3.1 ms
64 bytes from 10.0.0.14: icmp_seq=18 ttl=64 time=3.0 ms
64 bytes from 10.0.0.14: icmp_seq=19 ttl=64 time=3.1 ms
--- 10.0.0.14 ping statistics ---
20 packets tran...
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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基于Windows平台的反Rootkit原理与实现 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术
............. ................................ .......................... 10
3.1 Windows 3.1 Windows3.1 Windows 驱动模型 ................................ ................................ ........................... 10
3.2 开发准备 ................................ ................................
How can I rename a database column in a Ruby on Rails migration?
...ack if you need or do something else or do nothing
end
end
For Rails 3.1 use:
While, the up and down methods still apply, Rails 3.1 receives a change method that "knows how to migrate your database and reverse it when the migration is rolled back without the need to write a separate down meth...
What is the difference between a definition and a declaration?
...ts to other questions) , I'll paste a quote from the C++ standard here.
At 3.1/2, C++03 says:
A declaration is a definition unless it [...] is a class name declaration [...].
3.1/3 then gives a few examples. Amongst them:
[Example: [...]
struct S { int a; int b; }; // defines S, S::a, and S:...