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Detect if an input has text in it using CSS — on a page I am visiting and do not control?

... input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""] , neither of which worked. I can't seem to find a single solution to this. ...
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JSON left out Infinity and NaN; JSON status in ECMAScript?

Any idea why JSON left out NaN and +/- Infinity? It puts Javascript in the strange situation where objects that would otherwise be serializable, are not, if they contain NaN or +/- infinity values. ...
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PHP CURL DELETE request

I'm trying to do a DELETE http request using PHP and cURL. 5 Answers 5 ...
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Django import error - no module named django.conf.urls.defaults

... party app, graphite. The issue has been fixed in graphite's master branch and version 0.9.14+. In Django 1.8+ you can remove patterns from the import, and use a list of url()s instead. from django.conf.urls import url, include ...
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How can we prepend strings with StringBuilder?

...example is: varStringBuilder.insert(0, "someThing"); It works both for C# and Java share | improve this answer | follow | ...
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Why Choose Struct Over Class?

...n many circumstances. Structs are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded env...
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Set cache-control for entire S3 bucket automatically (using bucket policies?)

I need to set cache-control headers for an entire s3 bucket, both existing and future files and was hoping to do it in a bucket policy. I know I can edit the existing ones and I know how to specify them on put if I upload them myself but unfortunately the app that uploads them cannot set the header...
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How to handle Objective-C protocols that contain properties?

...tocol, you have to do everything to make sure anObject works. @property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter (and/or setter) method for that property name. These days @property alone is enough to also have method...
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How do I update the GUI from another thread?

...ET 2.0, here's a nice bit of code I wrote that does exactly what you want, and works for any property on a Control: private delegate void SetControlPropertyThreadSafeDelegate( Control control, string propertyName, object propertyValue); public static void SetControlPropertyThreadSafe...
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Python function as a function argument?

... Here's another way using *args (and also optionally), **kwargs: def a(x, y): print x, y def b(other, function, *args, **kwargs): function(*args, **kwargs) print other b('world', a, 'hello', 'dude') Output hello dude world Note that function, *...