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Why can I initialize a List like an array in C#?
...want, for example to prevent over-sizing the List<T> during growing, etc:
// Notice, calls the List constructor that takes an int arg
// for initial capacity, then Add()'s three items.
List<int> a = new List<int>(3) { 1, 2, 3, }
Note that the Add() method need not take a single ...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...e requests for visible cells, caching to avoid redundant network requests, etc.). I'm unclear what else you expected in response to the question of "how do I stop the flickering images in my table view".
– Rob
Sep 7 '16 at 20:09
...
B-Tree vs Hash Table
...lso tree algorithms are usually easier to maintain, grow with data, scale, etc.
Hash indexes work with pre-defined hash sizes, so you end up with some "buckets" where the objects are stored in. These objects are looped over again to really find the right one inside this partition.
So if you have sma...
How do MySQL indexes work?
... lower, middle and top
3: Is higher or lower? Jump to middle point again, etc.
Using that logic, you can find an element in a sorted list in about 7 steps, instead of checking every item.
Obviously there are complexities, but that gives you the basic idea.
...
How to use timeit module
...tter_minmod arr1
python -m timeit -s "$SETUP" "better_minmod(arr1)"
... etc
This can take a bit longer due to the multiple initialisations, but normally that's not a big deal.
But what if you want to use timeit inside your module?
Well, the simple way is to do:
def function(...):
...
...
Bootstrap 3 breakpoints and media queries
...a .xxs breakpoint.
I have not taken care of visible-inline, table.visible, etc classes.
/*========== Mobile First Method ==========*/
.col-xxs-12, .col-xxs-11, .col-xxs-10, .col-xxs-9, .col-xxs-8, .col-xxs-7, .col-xxs-6, .col-xxs-5, .col-xxs-4, .col-xxs-3, .col-xxs-2, .col-xxs-1 {
position...
Is there a C# type for representing an integer Range?
... }
/// <summary>
/// Split this out to allow custom throw etc
/// </summary>
private static int Parse(string value)
{
int output;
var ok = int.TryParse(value, out output);
if (!ok) throw new FormatException($"Failed to parse '{value}' as an ...
Pointer to pointer clarification
...ay
*ipp = ip2;
The * operator turns a pointer back into a variable. We fetch the value of ipp, which is "pointer to ip1 and turn it into a variable. What variable? ip1 of course!
Therefore this is simply another way of saying
ip1 = ip2;
So we fetch the value of ip2. What is it? "pointer to j...
The difference between try/catch/throw and try/catch(e)/throw e
...eptinons - OutOfRangeException comes to mind - or need to log the message, etc. The first seems to be a wildcard exception handler similar to try{}catch(...){} in c++.
– 3Dave
Nov 8 '09 at 17:22
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What is the Invariant Culture?
...tion where you need to generate controller names, URL's, delegate names ...etc. and need things to act naturally and universally among all users.
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