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Python: List vs Dict for look up table
...ite some memory.
If you do not add new entries on the fly (which you do, based on your updated question), it might be worthwhile to sort the list and use binary search. This is O(log n), and is likely to be slower for strings, impossible for objects which do not have a natural ordering.
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Force Intellij IDEA to reread all maven dependencies
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Lets say I have 5 modules, all of them maven based, in a single project and I do this. Does this command apply to all modules, just the selected one, or the first one in the project when it runs?
– slartibartfast
Sep 25 '15 at 22:0...
Calculate size of Object in Java [duplicate]
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Louis WassermanLouis Wasserman
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How to get div height to auto-adjust to background size?
...nloaded, it is presumably cached. From that point, any other requests are based on a local copy. So, no. It is not downloaded twice. But, it is loaded twice.
– Tmac
Oct 22 '15 at 2:34
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MySQL “Group By” and “Order By”
...sy to disable ONLY_FULL_GROUP_BY. For example: SET SESSION sql_mode = '';. Demo: db-fiddle.com/f/esww483qFQXbXzJmkHZ8VT/3
– mikep
Apr 2 '19 at 7:26
1
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Can I set background image and opacity in the same property?
...You can use CSS psuedo selector ::after to achieve this. Here is a working demo.
.bg-container{
width: 100%;
height: 300px;
border: 1px solid #000;
position: relative;
}
.bg-container .content{
position: absolute;
z-index:999;
text-align: center;
width: 100%;
}
.bg...
How to place div side by side
...iv>
<div class="flex-item"></div>
</div>
jsFiddle demo
Note that flex boxes are not backwards compatible with old browsers, but is a great option for targeting modern browsers (see also Caniuse and MDN). A great comprehensive guide on how to use flex boxes is available on C...
What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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64
For .NET > 4.0 you can use
TimeSpan time = TimeSpan.FromSeconds(seconds);
//here backslash...
Why are two different concepts both called “heap”?
...emely well ordered. So again there's an equal mismatch going the other way based on the common definition of heap.
– jmucchiello
Nov 10 '09 at 1:24
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How to use permission_required decorators on django class-based views
...n in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there some section in the django docs explaining this? I didn't found anythi...