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HashMap to return default value for non-found keys?
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[Update]
As noted by other answers and commenters, as of Java 8 you can simply call Map#getOrDefault(...).
[Original]
There's no Map implementation that does this exactly but it would be trivial to implement your own by extending HashMap:
p...
Creating virtual directories in IIS express
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IIS express configuration is managed by applicationhost.config.
You can find it in
Users\<username>\Documents\IISExpress\config folder.
Inside you can find the sites section that hold a section for each IIS Express configured site.
Add (or modify)...
How should I detect unnecessary #include files in a large C++ project?
...ee: Visibility of template specialization of C++ function)
As pointed out by 'msalters', performing a full analysis of the code also allows for analysis of class usage. By checking how a class is used though a specific path of files, it is possible that the definition of the class (and therefore a...
Check orientation on Android phone
...esources().getConfiguration().orientation;
You can check for orientation by looking at its value:
int orientation = getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
// In landscape
} else {
// In portrait
}
More information can be ...
What is the difference between NULL, '\0' and 0?
...BEEF
if (pointer == MYNULL)
if (pointer == 0xDEADBEEF)
as these are seen by a compiler as normal comparisons.
Null Characters
'\0' is defined to be a null character - that is a character with all bits set to zero. This has nothing to do with pointers. However you may see something similar to th...
'uint32_t' identifier not found error
...In the meantime, you could probably fake up your own version of the header by adding typedefs that map Microsoft's custom integer types to the types expected by C. For example:
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
/* ... etc. ... */
Hope this helps!
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PG undefinedtable error relation users does not exist
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At first, you shall detach all connections out of database. By default you use the development environment. Then try to reset database with the following:
rake db:reset
The rake db:reset task will drop the database and set it up again. This is functionally equivalent to rake db:...
How do I increase the cell width of the Jupyter/ipython notebook in my browser?
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On linux and osx at least, by default jupyter looks for a hidden directory called .jupyter for configuration files including customizations like the above. The above should be the only contents of the custom.css. See here for some more info: jupyter.r...
Ignore mouse interaction on overlay image
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Keep in mind that pointer-events isn't supported by all major browsers yet. IE doesn't support it (surprise...), and I think Safari doesn't support it either.
– Hatchmaster
Oct 9 '12 at 16:22
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How do I move an existing window to a new tab?
...t with recent versions of Vim (>= 7.3) you can also use persistent undo by setting set undodir=/path/to/dir where /path/to/dir is a directory you've created for the purpose and then set undofile. This will allow you quit vim and then restart and still retain the undo/redo state.
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