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How do you run CMD.exe under the Local System Account?

I'm currently running Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account. ...
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Big-oh vs big-theta [duplicate]

It seems to me like when people talk about algorithm complexity informally, they talk about big-oh. But in formal situations, I often see big-theta with the occasional big-oh thrown in. I know mathematically what the difference is between the two, but in English, in what situation would using big-oh...
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Convert to/from DateTime and Time in Ruby

... Unfortunately this only really works when dealing with local times. If you start with a DateTime or Time with a different timezone, the parse function will convert into local timezone. You basically lose the original timezone. – ...
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Get JSF managed bean by name in any Servlet related class

...ted by JSF beforehand. Else these will return null. You'd then need to manually create the bean and use setAttribute("beanName", bean). If you're able to use CDI @Named instead of the since JSF 2.3 deprecated @ManagedBean, then it's even more easy, particularly because you don't anymore need to man...
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Is std::vector so much slower than plain arrays?

...d the array only once. Note: when you resize() the vector you are not only allocating the memory but also running through the vector and calling the constructor on each member. Re-Arranging the code slightly so that the vector only initializes each object once: std::vector<Pixel> pixels(di...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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method of iterating over sqlalchemy model's defined columns?

...l exclude SA magic attributes, but will not exclude the relations. So basically it might load the dependencies, parents, children etc, which is definitely not desirable. But it is actually much easier because if you inherit from Base, you have a __table__ attribute, so that you can do: for c in Jo...
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IllegalMonitorStateException on wait() call

... good catch. i assumed he meant Object.wait() and called from a thread – reccles Oct 8 '09 at 12:00 2 ...
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Best way to implement keyboard shortcuts in a Windows Forms application?

...when pressing a shortcut is required to suppress input but nevertheless to allow a separate MenuStrip event to fire. ProcessCmdKey approach would force the duplication of event firing logic. – Saul Jun 10 '14 at 11:13 ...
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Why is using the rails default_scope often recommend against?

...to show unpublished (private) posts. So far so good. 2.1.1 :001 > Post.all Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't' Well this is pretty much what we expect. Now lets try: 2.1.1 :004 > Post.new => #<Post id: nil, title: nil, published: true...