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Is there a way to iterate over a dictionary?
...ere you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ?
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How to link a Facebook app with an existing fan page
... page
PS: May be needed your page and app share the same name, but can't confirm this.
On your app
Access your app from the Facebook Developers apps panel.
Access Settings on the left side menu.
Set the category to Apps for pages and hit Save. [@JohnMc mentioned this has to be the only catego...
Javascript - Track mouse position
...t, something which this answer to another Stack Overflow question seems to confirm.
Side note: If you're going to do something every 100ms (10 times/second), try to keep the actual processing you do in that function very, very limited. That's a lot of work for the browser, particularly older Micros...
Show constraints on tables command
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I confirmed that this command does not display the foreign key constraint.
– Kemin Zhou
Jun 6 '16 at 22:34
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Conditional import of modules in Python
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
How to set environment variables from within package.json
...ything and on the other hand cross-env is more popular. Can someone please confirm if env works on all platforms?
– Rishav
Apr 1 at 17:38
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Why doesn't the height of a container element increase if it contains floated elements?
...xplicitly" - i observed the same thing and was just looking for this to be confirmed. Thank you
– Deen John
Sep 29 '15 at 17:01
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Error Code: 1005. Can't create table '…' (errno: 150)
...ld needs to be INT(10) as well and not INT(11) or TINYINT. You may want to confirm the field size using SHOW CREATE TABLE because Query Browser will sometimes visually show just INTEGER for both INT(10) and INT(11). You should also check that one is not SIGNED and the other is UNSIGNED. They both ne...
Loading Backbone and Underscore using RequireJS
...bone and Underscore, it seems kind of tricky. For one, Underscore automatically registers itself as a module, but Backbone assumes Underscore is available globally. I should also note that Backbone doesn't seem to register itself as a module which makes it kind of inconsistent with the other libs. T...
How to access property of anonymous type in C#?
...null in three different situations!
o is null, so there is no object at all
o is non-null but doesn't have a property Foo
o has a property Foo but its real value happens to be null.
So this is not equivalent to the earlier examples, but may make sense if you want to treat all three cases the sa...