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Static implicit operator
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This is a conversion operator. It means that you can write this code:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argument, an...
Does a const reference class member prolong the life of a temporary?
...ay that member is bound to a temporary, because initializing member with n means to bind member to the same object n is bound to, and that is in fact a temporary object in this case.
– M.M
May 18 '16 at 3:39
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How to read and write excel file
... number of non-empty rows (it was not obvious to me that's what "physical" meant). So, if your excel file has a lot of empty rows (i.e. for formatting reasons), you might have more luck using rows = sheet.getLastRowNum();. This should also mean you can remove the trick (see comment) from the first l...
django templates: include and extends
...btemplate and include its contents as if it were part of the parent". This means that there is no shared state between included templates -- each include is a completely independent rendering process.
So Django doesn't grab any blocks from your commondata.html and it doesn't know what to do with r...
What does gcc's ffast-math actually do?
..., it disables setting errno after single-instruction math functions, which means avoiding a write to a thread-local variable (this can make a 100% difference for those functions on some architectures).
Third, it makes the assumption that all math is finite, which means that no checks for NaN (or ze...
Install Application programmatically on Android
... you gave to your app to bring the APK, if you are downloading from server means, check to flush the streams at the copying file from the server? Since installing the APK which was transferred by Bluetooth working means that is the problem I guess.
– Sridhar S
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Django REST framework: non-model serializer
...face, which I need to implement, is not working with my models directly (I mean the get, put, post, delete operations). Instead, it provides other services with some calculation results. On a request my service makes some calculations and just returns the results back (doesn't store the results in i...
What would cause an algorithm to have O(log log n) complexity?
...d approximately log (√n) = log (n1/2) = (1/2) log n digits in √n. This means that, each time you take a square root, you're roughly halving the number of digits in the number. Because you can only halve a quantity k O(log k) times before it drops down to a constant (say, 2), this means you can o...
LINQ OrderBy versus ThenBy
... It doesn't perform well (because it reorders the whole sequence) - do you mean the 2nd or 3rd order by reorders the whole sequence ? if so, how will it still translate to ThenBy after having re-ordered the sequence discarding the preceding ordering ?
– Veverke
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Uploading base64 encoded Image to Amazon S3 via Node.js
...Type, when I download the files I won't be able to get the correct file? I mean, I will get such a corrupted file? Thanks in advance!
– alexventuraio
Jun 14 '16 at 22:25
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