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java: HashMap not working
...ue() means if the key isn't found it will generate a NullPointerException, for example:
int i = myMap.get("bar"); // NullPointerException
The reason is type erasure. Unlike, say, in C# generic types aren't retained at runtime. They are just "syntactic sugar" for explicit casting to save you doing...
What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
...he compiler that someArray is at least 100 elements long. This can be used for optimizations. For example, it also means that someArray is never NULL.
Note that the C Standard does not require the compiler to diagnose when a call to the function does not meet these requirements (i.e., it is silent ...
How to “pull” from a local branch into another one?
...d at . (i.e. the current directory/repository). origin is just a shorthand for "whatever repository location defined in .git/config file (usually set up automatically when cloning a repository)
– knittl
May 4 '19 at 23:24
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What is the difference between sites-enabled and sites-available directory?
...t enabled yet.
sites-available: this directory has configuration files for Apache2 Virtual Hosts. Virtual Hosts allow Apache2 to be configured for
multiple sites that have separate configurations.
sites-enabled: like mods-enabled, sites-enabled contains symlinks to
the /etc/apache2/site...
NSLog with CGPoint data
...nt); and get “point = { 43, 96 }” logged without having to worry about format codes.
– Jens Ayton
Sep 6 '10 at 20:06
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What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?
...r. I know that they're required to render, but I want to understand them before use.
2 Answers
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Ant task to run an Ant target only if a file exists?
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Available is a non so obvious name for what it does. I got further confused by the fact that google shows people writing their own tags
– Mario Ortegón
Feb 6 '09 at 19:42
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Access to Modified Closure (2)
...d Closure . I just want to verify if the following is actually safe enough for production use.
1 Answer
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Disable vertical scroll bar on div overflow: auto
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You should use only
overflow-y:hidden; - Use this for hiding the Vertical scroll
overflow-x:auto; - Use this to show Horizontal scroll
Luke has mentioned as both hidden. so I have given this separately.
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R programming: How do I get Euler's number?
For example, how would I go about entering the value e^2 in R?
3 Answers
3
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