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How to list active / open connections in Oracle?

... Either you don't have permissions, or you didn't install the DBA views correctly. – S.Lott Jun 25 '09 at 10:24 4 ...
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Sequence contains no matching element

...g about the others anyway. On the other hand, it looks like you might actually be better off with a join here in the first place. If you didn't care that it would do all matches (rather than just the first) you could use: var query = from target in _lstAcl.Documents join source in _dsA...
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How to check if a file is a valid image file?

... That won't be sufficient if he's really testing for "valid" images; the presence of a magic number doesn't guarantee that the file hasn't been truncated, for example. – Ben Blank May 20 '09 at 18:11 ...
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Android Studio quick documentation always “fetching documentation”

... The problem is Android Studio does not automatically update the source link of reference even when the documentation is already downloaded. The default link in jdk.table.xml is http://developer.android.com/reference/ (android studio tries to connect to this online server ...
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How do you stop MySQL on a Mac OS install?

... | edited Jun 16 at 11:05 answered Sep 19 '08 at 14:08 ...
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How can I access “static” class variables within class methods in Python?

... As with all good examples, you've simplified what you're actually trying to do. This is good, but it is worth noting that python has a lot of flexibility when it comes to class versus instance variables. The same can be said of meth...
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How to convert an xml string to a dictionary?

... first two tags # in a series are different, then they are all different. if len(element) == 1 or element[0].tag != element[1].tag: aDict = XmlDictConfig(element) # treat like list - we assume that if the first two tags ...
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How to get my IP address programmatically on iOS/macOS?

I would like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? ...
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AtomicInteger lazySet vs. set

...l values for a while, but you'd like to ensure that structures are eventually GCable. In such cases, you can get better performance by avoiding the costs of the null volatile-write. There are a few other use cases along these lines for non-reference-based atomics as well, so the method is ...
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How to .gitignore files recursively

... in Windows 7 using Sourcetree 1.6.12.0 and the version of git that it installs (1.8.4-preview20130916). To gitignore every file and folder under a directory recursively: MyPrject/WebApp/Scripts/special/** share ...