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Django filter queryset __in for *every* item in list
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This would we slower if you work with large tables and large data to compare to. (like 1 Million each)
– gies0r
May 21 '18 at 16:11
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How to maintain a Unique List in Java?
...mathematical set abstraction.
Note: Great care must be exercised if mutable objects are used as set elements. The behavior of a set is not specified if the value of an object is changed in a manner that affects equals comparisons while the object is an element in the set. A special case of this...
How do I calculate a point on a circle’s circumference?
...ly not as efficient in speed compared to say implementing sin as a look-up table, but sometimes you are using complex numbers to represent points throughout to exploit other properties of them. Similar to using quaternions for 3D rotations, it's not really the speed but the capabilities they give yo...
what is the right way to treat Python argparse.Namespace() as a dictionary?
...dictionary should not be modified: the effects on the corresponding symbol table are undefined." Which may only refer to the behavior of vars() (which is either locals() or globals()), but I'm not really sure.
– user395760
Jun 1 '13 at 23:43
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What is DOCTYPE?
...s NOT defined by the DTD!
For example, a doctype could define how the <table>-tag can look like - which attributes it accepts, and which values/valuetypes are accepted for each attribute. Think of it as a lexicon for your current webpage.
Wikipedia has an informative page on the various Doct...
How to unmount a busy device
...le users daily. I already have code to recognize shared drives (from a SQL table) and mount them in a special directory where all users can access them.
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Empty arrays seem to equal true and false at the same time
...to Boolean, they are always coerced to TRUE. look at the "Boolean context" table at: javascript.info/tutorial/object-conversion
– Niki
Jun 7 '16 at 2:04
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CSS3 box-sizing: margin-box; Why not?
...flow-x & overflow-y combinations, with the absolut positionied divs in table-cells, with the combination of min|max-width|height with the box-sizing, and so on.
There are features, really simple features, which the browser developers simply doesn't develop.
IMHO, box-sizing: margin-box were a ...
Calculating sum of repeated elements in AngularJS ng-repeat
...tion, which is easy to understand here, but gets pretty messy with complex tables.
– Marc Durdin
Jul 30 '15 at 0:13
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Closing JDBC Connections in Pool
...n attempt to get a connection from the pool, and if DataSource cannot be established, use the old fashioned DriverManager. We are not even sure which part is getting executed at runtime. Repeating the question above, should one close the Connection coming out of such a method?
The example is pretty...