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Delete everything in a MongoDB database
...very single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
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Convert object string to JSON
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If the string is from a trusted source, you could use eval then JSON.stringify the result. Like this:
var str = "{ hello: 'world', places: ['Africa', 'America', 'Asia', 'Australia'] }";
var json = JSON.stringify(eval("(" + str + ")"));
Not...
How to enable zoom controls and pinch zoom in a WebView?
...one is looking at this answer and wondering where the webview object comes from, you can get it via WebView webView = (WebView) appView.getEngine().getView(); as shown in this comment.
– Andrew Dant
May 24 '19 at 17:14
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Can angularjs routes have optional parameter values?
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It looks like Angular has support for this now.
From the latest (v1.2.0) docs for $routeProvider.when(path, route):
path can contain optional named groups with a question mark (:name?)
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In Postgresql, force unique on combination of two columns
...ry key over unique here, because we do not allow NULL values in this case. From the PostgeSQL docs: "Note that a unique constraint does not, by itself, provide a unique identifier because it does not exclude null values.)" postgresql.org/docs/8.1/static/ddl-constraints.html#AEN2038
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parseInt vs unary plus, when to use which?
...thumb I'd suggest JS opt-guys to consider any JS operator over another one from the mobile performance point of view nowadays.
So, go mobile-first ;)
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Popstate on page's load in Chrome
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In Google Chrome in version 19 the solution from @spliter stopped working. As @johnnymire pointed out, history.state in Chrome 19 exists, but it's null.
My workaround is to add window.history.state !== null into checking if state exists in window.history:
var popped ...
Symfony 2 EntityManager injection in service
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Hi, in this example, how could I change the connection from default to any other?
– ptmr.io
Jul 27 '18 at 8:16
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jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
... Effecively hides the element, but does not actually remove it from the DOM.
– andreszs
Feb 3 '15 at 4:11
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How to force a WPF binding to refresh?
...YourCollectionProperty) as opposed to a literal string. This prevents bugs from refactoring and is more explicit what is actually intended. This is of course where you can't use the CallerMemberName attribute which is even nicer
– Assimilater
Aug 18 '17 at 18:2...