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What is the difference between Θ(n) and O(n)?
...ions aren't necessarily specific numbers, but instead functions of varying orders of magnitude such as log(n), n, n^2, (etc.).
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Difference between id and name attributes in HTML
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To put it very informally, id is what your frontend (CSS, JS) works with, while name is what your server receives and can then process. This is basically what Greeso's answer says.
– Saraph
Dec 6 '16 at 8:15...
What is a plain English explanation of “Big O” notation?
... on comparison operations (comparing two nodes to determine their relative ordering). This assumes that comparison is expensive. But what if the comparison is cheap but swapping is expensive? It changes the comparison; and
complexity: if it takes me one second to sort 10,000 elements, how long wi...
What is the result of % in Python?
...s second operand (or zero); the absolute value of the result is strictly smaller than the absolute value of the second operand [2].
Taken from http://docs.python.org/reference/expressions.html
Example 1:
6%2 evaluates to 0 because there's no remainder if 6 is divided by 2 ( 3 times ).
Example 2...
PDO get the last ID inserted
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That's because that's an SQL function, not PHP. You can use PDO::lastInsertId().
Like:
$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();
If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
Signed versus Unsigned Integers
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little vs. big endian has to do with the order of the bytes on the platform. Little endian might do 0xFF 0xFE 0x7F while big endian will do 0x7F 0xFE 0xFF.
– Jasper Bekkers
Oct 29 '08 at 18:35
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https connection using CURL from command line
... and Cacerts world and facing a problem while connecting to a server.
Basically, I need to test connectivity over https from one machine to another machine.
I have a URL to which I need to connect from Machine A (a linux machine)
I tried this on command prompt
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How do I make curl ignore the proxy?
... shell script) would temporarily change its value.
(See curl's manual for all the variables it looks at, under the ENVIRONMENT heading.)
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C# HttpClient 4.5 multipart/form-data upload
...pClient was referring to the previous design. It's easy to confuse. Basically, with the IHttpClientFactory, the HttpClient Dispose doesn't really do anything (stackoverflow.com/a/54326424/476048) and the internal handlers are managed by the HttpClientFactory.
– Berin Loritsch...
How do I calculate tables size in Oracle
...table. Often you are interested to know "How much spaces the the Purchase Order table take, including any indexes" rather than just the table itself. You can always delve into the details. Note that this requires access to the DBA_* views.
COLUMN TABLE_NAME FORMAT A32
COLUMN OBJECT_NAME FORMAT A...