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Difference between Statement and PreparedStatement
...than disk operations which are an order of magnitude slower than in-memory CPU operations. Hence, any reduction in amount of data sent over the network will have a good effect on overall performance.
They protect against SQL injection, by escaping text for all the parameter values provided.
They pr...
Hidden Features of PHP? [closed]
...in the language core and are used all over the place which results in good CPU cache locality. Perl and Python both use separate language constructs for lists and maps resulting in more copying and potentially confusing transformations.
...
How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
...rs to the scrollbar and change it's values.
– Tim Visée
Nov 23 '13 at 14:25
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Download File Using Javascript/jQuery
...ry at least as large as the file being downloaded and/or other interesting CPU side effects.
fetch('https://jsonplaceholder.typicode.com/todos/1')
.then(resp => resp.blob())
.then(blob => {
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a'...
How to alter SQL in “Edit Top 200 Rows” in SSMS 2008
...s default when using "Edit top 200 rows"?
– Lars Thorén
Jul 3 '18 at 13:06
1
Great answer!!--ver...
Why are primes important in cryptography?
... @stujo: same principles will rule when all of us use Quantum CPUs, as primes can keep growing, its all about finding larger, impractical for quantum CPUs, the problem exists if some use regular CPUS to create keys, and some use Quantum CPUs to break those. The power of quantum CPUs, as...
Best way to check if object exists in Entity Framework?
...housands of database calls were being made to check for duplicates (so the CPU sent a lot of time at 100%). In the end I decided to keep the last 100,000 records cached in memory. This way I could check for duplicates against the cached records which was extremely fast when compared to a LINQ quer...
Convert stdClass object to array in PHP
... edited Jun 19 '14 at 18:36
Félix Gagnon-Grenier
6,92299 gold badges4242 silver badges5454 bronze badges
answered Jun 19 '14 at 18:13
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Java logical operator short-circuiting
... short-circuiting.
Note that this is more than an attempt at saving a few CPU cycles: in expressions like this
if (mystring != null && mystring.indexOf('+') > 0) {
...
}
short-circuiting means a difference between correct operation and a crash (in the case where mystring is null)....
Change cursor to hand when mouse goes over a row in table
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@OlivierBoissé Just tested and it most definitely DOES work with BS 4
– Gabe Hiemstra
Jun 14 '18 at 12:30
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