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ReactJS: Modeling Bi-Directional Infinite Scrolling
...traction I found for this is the following:
Overview
Make a <List> component that takes an array of all children. Since we do not render them, it's really cheap to just allocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and retur...
What's the difference between an exclusive lock and a shared lock?
... exclusively locked, shared locks cannot be obtained.
Other teachers won't come up and start writing either, or the board becomes unreadable, and confuses students => If an object is exclusively locked, other exclusive locks cannot be obtained.
When the students are reading (shared locks) what ...
Automating the InvokeRequired code pattern
I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI code, where
...
Difference between size_t and std::size_t
...e size of size_t
The actual type of size_t is
platform-dependent; a common mistake
is to assume size_t is the same as
unsigned int, which can lead to
programming errors,[3][4] when moving
from 32 to 64-bit architecture, for
example.
According to the 1999 ISO C
standard (C99),...
How can I simulate an anchor click via jquery?
...
edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 21 '09 at 17:39
John RaschJohn Rasc...
Why doesn't the JVM cache JIT compiled code?
...Regarding why this has not been implemented, I would expect that the added complexity of persisting and validating the JIT seed data was too much to take resources from other projects. Given the choice between this and Java 8 lambda+streams I'd rather have the latter.
– Thorbj...
Does MySQL ignore null values on unique constraints?
...
excellent comment about how it's true in mysql, but not necessarily in general.
– user2910265
Sep 13 '14 at 1:52
11...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...
2017 update: First, for readers coming today - here is a version that works with Node 7 (4+):
function enforceFastProperties(o) {
function Sub() {}
Sub.prototype = o;
var receiver = new Sub(); // create an instance
function ic() { return typ...
Dynamically updating plot in matplotlib
...locks and doesn't perform the updates. Am I missing something? gist.github.com/daviddoria/027b5c158b6f200527a4
– David Doria
Sep 18 '15 at 11:14
2
...
Table fixed header and scrollable body
... 100px; }
.tableFixHead thead th { position: sticky; top: 0; }
/* Just common table stuff. Really. */
table { border-collapse: collapse; width: 100%; }
th, td { padding: 8px 16px; }
th { background:#eee; }
<div class="tableFixHead">
<table>
<thead>
<t...