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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
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you expect to be pretty long, you can make sure that my...
Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...ence by non-int of type 'float'
The solution - convert the list to numpy array:
coff = np.asarray(coff) * C
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How to check with javascript if connection is local host?
...ot a catch all but it might be a little improvement.
You can now create an array of domains and use .includes
const LOCAL_DOMAINS = ["localhost", "127.0.0.1", ...];
if (LOCAL_DOMAINS.includes(window.location.hostname))
alert("It's a local server!");
...
How to get just the parent directory name of a specific file
...
This throws ArrayOutOfBoundsException if you are already on root location -"/"-
– Jnmgr
Aug 6 '15 at 12:21
add a...
How to get all columns' names for all the tables in MySQL?
...$table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$columns[] = $result['Field'];
endwhile;
endif;
echo '<pre>';
print_r($columns);
echo '</p...
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 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 ...
Printing HashMap In Java
...ew HashMap<>();
map.put("a", 1);
map.put("b", 2);
System.out.println(Arrays.asList(map)); // method 1
System.out.println(Collections.singletonList(map)); // method 2
Both method 1 and method 2 output this:
[{b=2, a=1}]
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How can you check for a #hash in a URL using JavaScript?
...
@Dunc: Well JS arrays are basically Objects. Accessing them by index is like accessing an Object property like so: obj['0']. In JS this is true: arr[0] === arr['0'] Therefore if the index/key doesn't exist the returned value is undefined in...
AngularJS - placeholder for empty result from filter
...eat="friend in friends | filter:q as results"
Then use the results as an array
<li class="animate-repeat" ng-if="results.length == 0">
<strong>No results found...</strong>
</li>
Full snippet:
<div ng-controller="repeatController">
I have {{friends.length}} frien...