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Fastest way to check if a value exists in a list
What is the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is?
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Is it possible to update a localized storyboard's strings?
...e
the file was only needed to get the new line items
This is an easy and fast process, everything is done in the storyboard editor
Edit:
This process works very well with small storyboards. For example, I have a tabs based project and I have a storyboard for each tab.
Search for "storyboard ref...
High Quality Image Scaling Library [closed]
...es in C#, using .NET GDI+
Resizing a Photographic image with GDI+ for .NET
Fast Dyadic Image Scaling with Haar Transform
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When restoring a backup, how do I disconnect all active connections?
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This was the fastest approach (SingleUserMode * 20 = 60s, Kill * 20 = 5s).
– Karson
May 26 '15 at 16:11
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How to remove a key from a Python dictionary?
...n is not inefficient at all. Quite the opposite – this solution is much faster than the try/except solution if the key does not exist. You might find one or the other easier to read, which is fine. Both are idiomatic Python, so choose whatever you prefer. But claiming that this answer is more ...
Is there a best practice for generating html with javascript
...t; 200; ++i) { s.push("testing"); }
s = s.join("");
Using arrays is much faster, especially in IE. I did some testing with strings a while ago with IE7, Opera and FF. Opera took only 0.4s to perform the test, but IE7 hadn't finished after 20 MINUTES !!!! ( No, I am not kidding. ) With array IE was...
filter for complete cases in data.frame using dplyr (case-wise deletion)
...ome benchmark results. na.omit() performs pretty poorly but the the one is fast.
– user2503795
Mar 13 '14 at 8:38
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What's the best way to break from nested loops in JavaScript?
...eally arguing about whether checking a single boolean value 10000 times is fast or slow? try 100 million times /sigh
– fabspro
May 2 at 10:46
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Transpose a data frame
...You can use the transpose function from the data.table library. Simple and fast solution that keeps numeric values as numeric.
library(data.table)
# get data
data("mtcars")
# transpose
t_mtcars <- transpose(mtcars)
# get row and colnames in order
colnames(t_mtcars) <- rownames(mtcars...
MySQL Error 1215: Cannot add foreign key constraint
...exes on foreign keys and referenced keys so that foreign key checks can be fast and not require a table scan. In the referencing table, there must be an index where the foreign key columns are listed as the first columns in the same order. Such an index is created on the referencing table automatica...