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Backbone.js get and set nested object attribute
...e navigation to the nested object. Basically, your callers don't need to know the model's internal structure; after all, it may change and the callers should be none the wiser.
– Bill Eisenhauer
Jun 15 '11 at 0:54
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Image, saved to sdcard, doesn't appear in Android's Gallery app
... This was working for me in earlier android versions ~4.0 but now in 4.3+ doesn't seem to be working. The images aren't showing up in the gallery app.
– hooby3dfx
Mar 1 '14 at 19:50
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Get cookie by name
... is enclosed with "; " and "=":
"; {name}={value}; {name}={value}; ..."
Now, we can first split by "; {name}=", and if token is found in a cookie string (i.e. we have two elements), we will end up with second element being a string that begins with our cookie value. Then we pull that out from an ...
When should I use Kruskal as opposed to Prim (and vice versa)?
...average case is dependent on what you're proving. In fact (as I look it up now), the wiki article uses language that implies that its only used for worst-case analysis. Now, using such an analysis means that you can't make as strong promises about the cost of a particular operation, but by the time...
How to do ToString for a possibly null object?
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C# 6.0 Edit:
With C# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty).ToString();
or
strin...
How can I wait for set of asynchronous callback functions?
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if (ajaxCallsRemaining <= 0) {
// all data is here now
// look through the returnedData and do whatever processing
// you want on it right here
}
});
}
Note: error handling is important here (not shown because it's specific to how you're...
Parse an HTML string with JS
...upported by webkit and you'd have to follow Florian's answer, and it is unknown to work in most cases on mobile browsers.
Edit: Now widely supported
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Uploading images using Node.js, Express, and Mongoose
...rd it referred that way and I'm going to go ahead and say that these guys know best developer.mozilla.org/en-US/docs/JavaScript/Guide/… so I guess we are both wrong ;)
– srquinn
Apr 19 '13 at 0:17
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history.replaceState() example?
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Indeed this is a bug, although intentional for 2 years now.
The problem lies with some unclear specs and the complexity when document.title and back/forward are involved.
See bug reference on Webkit and Mozilla.
Also Opera on the introduction of History API said it wasn't using ...
std::function vs template
...object that adheres to a specific signature, but whose concrete type is unknown at compile-time. This is typically the case when you have a collection of callbacks of potentially different types, but which you need to invoke uniformly; the type and number of the registered callbacks is determined a...