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Is explicitly closing files important?
...osed" but does not explain "what if it stays open". For the latter, please read the "What would happen if a file stays open?" part in this answer (askubuntu.com/questions/701491/…)
– RayLuo
Aug 22 '16 at 16:58
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Learning about LINQ [closed]
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Get the book Linq in Action it is an easy read for a coding book and really teaches you how to use Linq and the new features of .NET 3.5 some of the cool parts they put in for the language.
s...
Linear Layout and weight in Android
I always read about this funny weight value in the Android documentations.
Now I want to try it for the first time but it isn't working at all.
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How do I analyze a .hprof file?
...ift thru a 400mb+ heap dump file, and it took jhat more than 70 minutes to read the file, before it caused a complete JVM crash. EMA is able to open it up in < 5 minutes.
– matt b
Jun 18 '09 at 18:37
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Design patterns to avoid [closed]
...solutions. However it is instead much more interesting for a programmer to read up on design techniques and principles that lay the foundation for most of the patterns. In fact one of my favorite books on 'design patterns' stresses this by reiterating on what principles are applicable on the pattern...
Difference between “!==” and “==!” [closed]
... I don't even program in PHP and even I realized that "==!" would be read as the 2 operators "==" and "!". It just shows how much effect a little bit of layout can have on how you read something.
– StarNamer
Sep 7 '12 at 17:47
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What's the best way of structuring data on firebase?
...oin statements and queries.
You also want to denormalize in places where read efficiency is a concern. This is a technique used by all the large scale apps (e.g. Twitter and Facebook) and although it goes against our DRY principles, it's generally a necessary feature of scalable apps.
The gist he...
What is std::promise?
I'm fairly familiar with C++11's std::thread , std::async and std::future components (e.g. see this answer ), which are straight-forward.
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MySQL load NULL values from CSV data
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This will do what you want. It reads the fourth field into a local variable, and then sets the actual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY "...
Algorithm to compare two images
...o results.
Zipping
Ow's answer in this question is excellent, I remember reading about these sort of techniques studying AI. It is quite effective at comparing corpus lexicons.
One interesting optimisation when comparing corpuses is that you can remove words considered to be too common, for examp...