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Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
...T's LINQ to JSON JObject class. For example:
JToken token = JObject.Parse(stringFullOfJson);
int page = (int)token.SelectToken("page");
int totalPages = (int)token.SelectToken("total_pages");
I like this approach because you don't need to fully deserialize the JSON object. This comes in handy wi...
Passing Data between View Controllers
...oryboardSegue *)segue sender:(id)sender{
if([segue.identifier isEqualToString:@"showDetailSegue"]){
ViewControllerB *controller = (ViewControllerB *)segue.destinationViewController;
controller.isSomethingEnabled = YES;
}
}
If you have your views embedded in a navigation con...
Unknown column in 'field list' error on MySQL Update query
...n I was confused and used double quotes instead of single quotes around my strings.
– tripleee
Mar 21 '18 at 13:18
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Capturing multiple line output into a Bash variable
...lt="$result$line\n"
done < /tmp/foo
echo -e $result
Note this adds an extra line. If you work on it you can code around it, I'm just too lazy.
EDIT: While this case works perfectly well, people reading this should be aware that you can easily squash your stdin inside the while loop, thus giv...
LEFT OUTER joins in Rails 3
... a named association, it will perform an INNER JOIN. You'll have to pass a string representing your LEFT OUTER JOIN.
From the documentation:
:joins - Either an SQL fragment for additional joins like "LEFT JOIN
comments ON comments.post_id = id" (rarely needed), named associations
in the sam...
Using jQuery to center a DIV on the screen
...do is speed this up a bit by caching the $(window) object so that I reduce extra DOM traversals, and I use a cluster CSS.
jQuery.fn.center = function ($) {
var w = $(window);
this.css({
'position':'absolute',
'top':Math.abs(((w.height() - this.outerHeight()) / 2) + w.scrollTop()),
'...
What is the difference between Views and Materialized Views in Oracle?
...triggers or by using the ON COMMIT REFRESH option. This does require a few extra permissions, but it's nothing complex. ON COMMIT REFRESH has been in place since at least Oracle 10.
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...onvention — for example, regular-expression searches — return numbers, strings, lists, or other non-false values on success, but nil on failure (e.g., mismatch). This convention is also used in Smalltalk, where only the special objects true and false can be used in a boolean expression.
Versions...
.classpath and .project - check into version control or not?
...the user should check out the project and should be able to run it without extra knowledge. For this files the rules are the same as for other files in the project: handle them with care. You should not place absolute pathes in the source code, neigther you should in the configuration files.
If the...
When to make a type non-movable in C++11?
...s destructor that would check if the guard has been moved from - that's an extra if, and a performance impact.
Yeah, sure, it can probably be optimized away by any sane optimizer, but still it's nice that the language (this requires C++17 though, to be able to return a non-movable type requires gua...