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How do I get the number of elements in a list?

...for the programmer to indicate that the variable is private (whatever that means in Python). 3. __foo: this has real meaning: the interpreter replaces this name with _classname__foo as a way to ensure that the name will not overlap with a similar name in another class. * No other form of underscor...
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How to find current transaction level?

...D AS TRANSACTION_ISOLATION_LEVEL FROM sys.dm_exec_sessions where session_id = @@SPID docs.microsoft.com reference for the constant values. share | improve this answer | f...
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Should I always return IEnumerable instead of IList?

...t index] { get; set; } If you need these methods in any way, then by all means return IList<T>. Also, if the method that consumes your IEnumerable<T> result is expecting an IList<T>, it will save the CLR from considering any conversions required, thus optimizing the compiled cod...
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Turning Sonar off for certain code

...'m not sure if Sonar correctly interprets @SuppressFBWarnings (added to avoid clashes with java.lang.SuppressWarnings) and also ignores it. – Marcel Stör Jul 17 '13 at 6:39 ...
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How to use the same C++ code for Android and iOS?

...JNI uses to works with JVM as JNIEXPORT and JNICALL. To you understand the meaning of those things, it is necessary to take a time and read it, for this tutorial purposes just consider these things as boilerplate. One significant thing and usually the root of a lot of problems is the name of the me...
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How can I export tables to Excel from a webpage [closed]

...from tables to Excel is Jquery DataTables Table Tools plugin. You get a grid that sorts, filters, orders, and pages your data, and with just a few extra lines of code and two small files included, you get export to Excel, PDF, CSV, to clipboard and to the printer. This is all the code that's requi...
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Java's Interface and Haskell's type class: differences and similarities?

... depends on the type of object they are called on, and nothing else. That means it's really hard to make things like add :: t -> t -> t with an interface, where it is polymorphic on more than one parameter, because there's no way for the interface to specify that the argument type and return ...
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How to use auto-layout to move other views when a view is hidden?

...nts are also removed from that view hierarchy. In your case, this likely means: If you set your left view to be hidden, the labels stay in place, since that left view is still taking up space (even though it's not visible). If you remove your left view, your labels will probably be left ambiguou...
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Update statement with inner join on Oracle

... That syntax isn't valid in Oracle. You can do this: UPDATE table1 SET table1.value = (SELECT table2.CODE FROM table2 WHERE table1.value = table2.DESC) WHERE table1.UPDATETYPE=...
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Long-lasting FB access-token for server to pull FB page info

...hat does not expire (with help from @Igy), here is a clear, step-by-step quide for all those looking to the same: Make sure you are the admin of the FB page you wish to pull info from Create a FB App (should be with the same user account that is the page admin) Head over to the Facebook Graph API ...