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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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C# : 'is' keyword and checking for Not

...... 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...
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Why use symbols as hash keys in Ruby?

... basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id. Strings on the other hand are mutable, they can be changed anytim...
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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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Int division: Why is the result of 1/3 == 0?

... 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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Are Exceptions in C++ really slow

...cattered around memory, and complex operations to run (basically a dynamic_cast test for each handler) So, mostly cache misses, and thus not trivial compared to pure CPU code. Note: for more details, read the TR18015 report, chapter 5.4 Exception Handling (pdf) So, yes, exceptions are slow on th...
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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...
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Where is Maven' settings.xml located on mac os?

... edited Jun 24 '14 at 19:51 Andy♦ 40.3k2424 gold badges139139 silver badges202202 bronze badges answered Jun 24 '14 at 19:48 ...
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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...
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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 ...