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How do servlets work? Instantiation, sessions, shared variables and multithreading
Suppose, I have a webserver which holds numerous servlets. For information passing among those servlets I am setting session and instance variables.
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Method chaining - why is it a good practice, or not?
...chaining is the practice of object methods returning the object itself in order for the result to be called for another method. Like this:
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Run an Application in GDB Until an Exception Occurs
I'm working on a multithreaded application, and I want to debug it using GDB.
4 Answers
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Vim: Move cursor to its last position
Is it possible in (g)Vim to move the cursor to its previous position (while in normal mode)? Something to cycle back and forth in the list of previous cursor positions would be ideal. But also just to switch to the last location would suffice (something like cd - in bash with directories).
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How to get relative path from absolute path
...So I would prefer to show the file path relative to the assembly/exe directory.
23 Answers
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Why is vertical-align: middle not working on my span or div?
I'm trying to vertically center a span or div element within another div element. However when I put vertical-align: middle , nothing happens. I've tried changing the display properties of both elements, and nothing seems to work.
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Does Javascript pass by reference? [duplicate]
Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts . I am very confused about my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the func...
What does iota of std::iota stand for?
...ing the "i" is increment and the "a" is assign, but I could not figure out or find the answer. Also, it looks very similar to the non-standard itoa which I think is confusing.
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ping response “Request timed out.” vs “Destination Host unreachable”
...problems: either the local system has no route to the desired destination, or a remote router reports that it has no route to the destination.
If the message is simply "Destination Host Unreachable," then there is no route from the local system, and the packets to be sent were never put on the wire...
How to prevent Browser cache for php site
... have a php site running in cloud server.When ever i add new files css, js or images the browser is loading the same old js, css and image files stored in cache.
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