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Is DateTime.Now the best way to measure a function's performance?
...ne("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for the existence of high-precision timers.
It is worth mentioning that DateTime.Now often is quite a bit slower than DateTime.UtcNow due to the work that has to be done with timezones, DST and such.
DateTime.U...
Convert JSON String to Pretty Print JSON output using Jackson
...apper.writerWithDefaultPrettyPrinter().writeValueAsString(json);
this avoids your having to define actual POJO to map data to.
Or you can use JsonNode (JSON Tree) as well.
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How can I load storyboard programmatically from class?
...ur storyboard go to the Attributes inspector and set the view controller's Identifier. You can then present that view controller using the following code.
UIStoryboard *sb = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
UIViewController *vc = [sb instantiateViewControllerWithIdent...
How to shuffle a std::vector?
...on Coliru
Make sure to reuse the same instance of rng throughout multiple calls to std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random ...
How do I copy the contents of a String to the clipboard in C#? [duplicate]
...
I wish calling SetText were that easy but there are quite a few gotchas that you have to deal with. You have to make sure that the thread you are calling it on is running in the STA. It can sometimes fail with an access denied error...
How to watch for array changes?
...seEvent(event) {
_handlers[event.type].forEach(function(h) {
h.call(_self, event);
});
}
Object.defineProperty(_self, "addEventListener", {
configurable: false,
enumerable: false,
writable: false,
value: function(eventName, handler) {
eventName = (...
center aligning a fixed position div
...d in some old browsers. And we don't even need to set a fixed or relative width.
.centered {
position: fixed;
left: 50%;
transform: translate(-50%, 0);
}
Working jsfiddle comparison here.
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Fixed page header overlaps in-page anchors
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@Tomalak Be aware that this solution makes links inside the padding area non-clickable. To fix this you must use z-index, and set the links value higher than the anchor's. Remember you topbar should have the highest z-index value, so the page's content don't float ontop of the...
How do I get the first element from an IEnumerable in .net?
...alue' for value types.
If you can't use LINQ, then your approach is technically correct and no different than creating an enumerator using the GetEnumerator and MoveNext methods to retrieve the first result (this example assumes enumerable is an IEnumerable<Elem>):
Elem e = myDefault;
using ...
Dynamically update values of a chartjs chart
... .update(config)
Triggers an update of the chart. This can be safely called after updating the data object. This will update all scales, legends, and then re-render the chart. A config object can be provided with additional configuration for the update process.
update() can be safely called...