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Fastest way to get the first object from a queryset in django?
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Imitating a blink tag with CSS3 animations
... <span class="blink">blinking</span> text.
You can find more info about Keyframe Animations here.
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Proper way to implement IXmlSerializable?
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Does Parallel.ForEach limit the number of active threads?
...s which would leave the thread waiting around, the algorithm will spawn up more threads and repartition the collection between them. If the threads complete quickly and don't block on IO threads for example, such as simply calculating some numbers, the algorithm will ramp up (or indeed down) the num...
How do I find the width & height of a terminal window?
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Remove columns from dataframe where ALL values are NA
...h will be an object the same size as df.
Here are two approaches that are more memory and time efficient
An approach using Filter
Filter(function(x)!all(is.na(x)), df)
and an approach using data.table (for general time and memory efficiency)
library(data.table)
DT <- as.data.table(df)
DT[,w...
How to check if a symlink exists
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Can I query MongoDB ObjectId by date?
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How to grep a text file which contains some binary data?
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Why use this if grep --text works? This seems a lot more complex.
– Michael Haefele
Mar 2 '17 at 14:57
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