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Can I set an opacity only to the background image of a div?

...n IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10. HTML <div class="myDiv"> Hi there </div> CSS .myDiv { position: relative; z-index: 1; } .myDiv:before { content: ""; position: absolut...
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What is the aspnet_client folder for under the IIS structure?

... In addition to what others have said, it's usually created by the aspnet_regiis tool, which can be (re-)run by things like Windows Update/AddRemove Windows components/IIS. So sometimes even if you do delete it, it can come back randomly. There may be a way to stop this ...
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Reusable library to get human readable version of file size?

... Addressing the above "too small a task to require a library" issue by a straightforward implementation: def sizeof_fmt(num, suffix='B'): for unit in ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']: if abs(num) < 1024.0: return "%3.1f...
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Difference between ActionBarSherlock and ActionBar Compatibility

...t a native one. --EDIT-- It appears things have changed and there is actually no difference between ActionBarSherlock and the Action Bar Compatibility anymore. Please read the comments below for details. --EDIT-- After having used both now, I can say that I actually prefer ActionBarSherlock to A...
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Encrypting & Decrypting a String in C# [duplicate]

...be getting a lot of upvotes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements. As other people have said, Cryptography is not simple so it's best to avoid "rolling your own" encryption ...
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How to check if a table contains an element in Lua?

... Perhaps also function keysOfSet(set) local ret={} for k,_ in pairs(set) do ret[#ret+1]=k end return ret end – Jesse Chisholm Apr 27 '18 at 21:40 add a comme...
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Django-Admin: CharField as TextArea

... Starting from Django 1.7 you need to add also fields = '__all__' under class Meta:. – skoll May 4 '16 at 11:43 2 ...
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When to use static vs instantiated classes

...r BB code to HTML ; it doesn't have a life on its own) (Yeah, I admit, really really overly-simplified...) One thing about static methods/classes is that they don't facilitate unit testing (at least in PHP, but probably in other languages too). Another thing about static data is that only one in...
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Using jquery to get element's position relative to viewport

... Look into the Dimensions plugin, specifically scrollTop()/scrollLeft(). Information can be found at http://api.jquery.com/scrollTop. share | improve this answer ...
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MySQL Orderby a number, Nulls last

... tablename WHERE visible=1 ORDER BY -position DESC, id DESC It is essentially the inverse of position DESC placing the NULL values last but otherwise the same as position ASC. A good reference is here http://troels.arvin.dk/db/rdbms#select-order_by ...