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Convert data.frame columns from factors to characters
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370
Just following on Matt and Dirk. If you want to recreate your existing data frame without cha...
Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
... 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed.
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Performance of Find() vs. FirstOrDefault() [duplicate]
...r data object an anonmyous data item just for compilation
List<\u003C\u003Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i =>
{
var local_0 = new
{
Name = Guid.NewGuid().ToString()
};
retu...
What is the pythonic way to unpack tuples? [duplicate]
...oo. Here's another example (from the Python tutorial):
>>> range(3, 6) # normal call with separate arguments
[3, 4, 5]
>>> args = [3, 6]
>>> range(*args) # call with arguments unpacked from a list
[3, 4, 5]
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Best way to Format a Double value to 2 Decimal places [duplicate]
...digit), it will drop trailing zeroes - ie new DecimalFormat("#.##").format(3.0d); prints just "3", not "3.00".
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Cannot use Server.MapPath
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Chandan Kumar
3,75133 gold badges3333 silver badges5858 bronze badges
answered Jun 19 '12 at 17:10
DotNetUserDotNet...
虚拟机ubuntu与宿主机NAT方式设定静态IP共享上网 - 更多技术 - 清泛网 - 专...
...打开链接
宿主机平台：win7
虚拟机：Vmware workstation 6.0.0.3 + ubuntu 10.10
完整安装后的VMware Workstation会在本地连接中多了两个虚拟网卡，一个是VMware Network Adapter for VMnet1 .另一个是 VMware Network Adapter for VMnet8。注意：确保VMnet8处...
HTML5 canvas ctx.fillText won't do line breaks?
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63
I'm afraid it is a limitation of Canvas' fillText. There is no multi-line support. Whats worse, ...
How to check which version of v8 is installed with my NodeJS?
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alienhardalienhard
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