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C# : 'is' keyword and checking for Not
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Update (considering the OP's code snippet):
Since you're actually casting the value afterward, you could just use as instead:
public void Update(DocumentPart part) {
part.Update();
IContainer containerPart = part as IContainer;
if(containerPart == null) return;
foreach(Docu...
Does ARC support dispatch queues?
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The short answer: YES, ARC retains and releases dispatch queues.
And now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage ...
Running Bash commands in Python
...cess. From the docs: "This module intends to replace several older modules and functions: os.system, os.spawn".
Like in your case:
bashCommand = "cwm --rdf test.rdf --ntriples > test.nt"
import subprocess
process = subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE)
output, error = pr...
Int division: Why is the result of 1/3 == 0?
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Explicitly cast it as a double
double g = 1.0/3.0
This happens because Java uses the integer division operation for 1 and 3 since you entered them as integer constants.
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How to run a program without an operating system?
...ystem running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
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How do I select a random value from an enumeration?
...lues from Type provided
.OfType<Enum>() // casts to Enum
.OrderBy(e => Guid.NewGuid()) // mess with order of results
.FirstOrDefault(); // take first item in result
}
}
public static class Program
{
public enum SomeEnum
...
UICollectionView spacing margins
... This works, but the collection.collectionViewLayout needs a cast as in the example by @Pooja: UICollectionViewFlowLayout *flow = (UICollectionViewFlowLayout*) self.collectionViewLayout;
– jwj
Dec 5 '13 at 18:56
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两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
两大桌面系统之战：Yosemite vs Windows 10哪个更好，哪个最好？每个人都有自己的标准，但是 Windows 10 更新中的特性和功能是否足以和 OS X Yosemite 竞争？
全新 Windows 10 操作系统已经在 7 月 29 日正式发布。就和移动行业中的 iO...
How to add parameters to HttpURLConnection using POST using NameValuePair
... with HttpURLConnection (I need to use it this way, can't use HttpPost ) and I'd like to add parameters to that connection such as
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Why does multiprocessing use only a single core after I import numpy?
...er here.
It turns out that certain Python modules (numpy, scipy, tables, pandas, skimage...) mess with core affinity on import. As far as I can tell, this problem seems to be specifically caused by them linking against multithreaded OpenBLAS libraries.
A workaround is to reset the task affinity us...