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Why is an int in OCaml only 31 bits?
...e commonly used short strings, the empty list, the empty object, the empty array and so on near the 0 address.
For example, in the MRI, YARV and Rubinius Ruby interpreters, integers are encoded the way I described above, false is encoded as address 0 (which just so happens also to be the representa...
“Application tried to present modally an active controller”?
...[[UITabBarController alloc] init];
[tabBarController setViewControllers:[NSArray arrayWithObjects:vc1, vc2, vc3, nil]];
Now you are trying to do something like this:
[tabBarController presentModalViewController:vc3];
This will give you an error because that Tab Bar Controller has a death grip o...
How to convert ASCII code (0-255) to its corresponding character?
...t))
Assuming the integer is, as you say, between 0 and 255, you'll get an array with a single character back from Character.toChars, which will become a single-character string when passed to String.valueOf.
Using Character.toChars is preferable to methods involving a cast from int to char (i.e. (...
“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
...rom numpy) to int.
For example, if variable x is a int64:
int(x)
If is array of int64:
map(int, x)
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How do I put a variable inside a string?
...s))
Would result in the string hanning123.pdf. This can be done with any array.
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How to create custom exceptions in Java? [closed]
...example passing an invalid argument to a method or attempting to breach an array index bounds.
The java.lang.Throwable class is the root of all errors and exceptions that can be thrown within Java. java.lang.Exception and java.lang.Error are both subclasses of Throwable. Anything that subclasses ...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
...able to avoid boxing somewhere was with the elements of single-dimensional arrays of primitives. The slight speed benefit here wasn't worth the complexity it added to the entire project, so I took it out.
– P Daddy
Apr 6 '11 at 19:46
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NoSql Crash Course/Tutorial [closed]
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All NoSQL servers really do is give you a way to add/delete/query massive arrays and still allow for persistence and fault tolerance. You can create a NoSQL in memory server in about 100 lines of code.
So let's do it this way...in CouchDB you use map/reduce...so let's create a map function do to ...
POST data with request module on Node.JS
...posting a json body, dont use the form parameter. Using form will make the arrays into field[0].attribute, field[1].attribute etc. Instead use body like so.
var jsonDataObj = {'mes': 'hey dude', 'yo': ['im here', 'and here']};
request.post({
url: 'https://api.site.com',
body: jsonDataObj,...
How do I base64 encode (decode) in C?
...ut especially notice that although the decoding table in the decoder is an array of 256, since char is signed on most architectures, you are really indexing from -128 to 127. Any character with the high bit set will cause you to read outside the allocated memory. Forcing the data lookup to be an uns...