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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 ...
NoSql Crash Course/Tutorial [closed]
...
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 ...
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...
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 to check and set max_allowed_packet mysql variable [duplicate]
...et
$maxp = $db->query( 'SELECT @@global.max_allowed_packet' )->fetch_array();
echo $maxp[ 0 ];
// to set the max_allowed_packet to 500MB
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you expect to be pretty long, you can make sure that my...
Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...ence by non-int of type 'float'
The solution - convert the list to numpy array:
coff = np.asarray(coff) * C
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How many GCC optimization levels are there?
...ign-labels -freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays -ftree-vect-loop-version)
There may also be platform specific optimizations, as @pauldoo notes, OS X has -Oz
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How to check with javascript if connection is local host?
...ot a catch all but it might be a little improvement.
You can now create an array of domains and use .includes
const LOCAL_DOMAINS = ["localhost", "127.0.0.1", ...];
if (LOCAL_DOMAINS.includes(window.location.hostname))
alert("It's a local server!");
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How to use glOrtho() in OpenGL?
...der_program(vertex_shader_source, fragment_shader_source);
glGenVertexArrays(1, &vao);
glGenBuffers(1, &vbo);
glBindVertexArray(vao);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
/* Position attribute ...
How to get just the parent directory name of a specific file
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This throws ArrayOutOfBoundsException if you are already on root location -"/"-
– Jnmgr
Aug 6 '15 at 12:21
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