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Under what conditions is a JSESSIONID created?

...ll return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not sent. (This also means that session isn't necessarily created on first request... you and your code are in control when the session is created) Sessions are per-context: SRV.7.3 Session Scope...
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iTerm2: How to expand split pane temporarily?

Is there a way to temporarily expand a split pane into full tab and go back again when done? I am looking for a keyboard shortcut to do so. The use case is to be able to temporarily switch to full-screen on demand. ...
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Simulate airplane mode in iPhone Simulator

... emulate the iPhone; it's just an environment for Mac apps to link against and look like an iPhone. So you need a way, at the system layer, to restrict an app from talking to the network. Unix doesn't provide that; it would almost certainly need kernel support to get it. You could do it more easily ...
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Cancel/kill window.setTimeout() before it happens

..., for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals. ...
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How do I make a placeholder for a 'select' box?

... I usually add both disabled and selected. Seems to work in FF too. – nilskp May 21 '12 at 18:05 11 ...
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'

... For this case, where you want to get a Control of a Form and are receiving this error, then I have a little bypass for you. Go to your Program.cs and change Application.Run(new Form1()); to public static Form1 form1 = new Form1(); // Place this var out of the constructor Appli...
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Haskell: Where vs. Let

I am new to Haskell and I am very confused by Where vs. Let . They both seem to provide a similar purpose. I have read a few comparisons between Where vs. Let but I am having trouble discerning when to use each. Could someone please provide some context or perhaps a few examples that demonstr...
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How can I check for NaN values?

... math.isnan(x) Return True if x is a NaN (not a number), and False otherwise. >>> import math >>> x = float('nan') >>> math.isnan(x) True share | impr...
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What is the best way to paginate results in SQL Server

... Getting the total number of results and paginating are two different operations. For the sake of this example, let's assume that the query you're dealing with is SELECT * FROM Orders WHERE OrderDate >= '1980-01-01' ORDER BY OrderDate In this case, you wou...
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Is there a printf converter to print in binary format?

...a function as the argument to BYTE_TO_BINARY) but avoids the memory issues and multiple invocations of strcat in some of the other proposals here. share | improve this answer | ...