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How do I select elements of an array given condition?
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This is not a good way to do indexing in NumPy (it will be very slow).
– Alex Riley
Sep 21 '19 at 14:18
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How to fix Git error: object file is empty?
...pelling of my name
diff --git a/tex/MCMC-in-IRT.tex b/tex/MCMC-in-IRT.tex
index 86e67a1..b860686 100644
--- a/tex/MCMC-in-IRT.tex
+++ b/tex/MCMC-in-IRT.tex
It worked!
Step 8: So now we need to point HEAD to 9f0abf890b113a287e10d56b66dbab66adc1662d.
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-ch...
MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...ELECT * only select
the fields that you really need.
Make sure you have an index on relevant_field to speed up the equi-join.
Make sure to group by on the primary key.
If you are on InnoDB and you only select indexed fields (and things are not too complex) than MySQL will resolve your query using ...
DTO = ViewModel?
... url prams into an object, for example : suppose i have this mapping to an Index method ajax/index/{jobID}/{ResultsToSkip}/{ResultsToSend}" instead of having in the controlle Index(int jobID, int ResultsToSkip, int ResultsToSend) I will have Index(request) (request is an object that encapsulate 3 f...
How to get just one file from another branch
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By default, only the working tree is restored.
If you want to update the index as well (meaning restore the file content, and add it to the index in one command):
git restore --source experiment --staged --worktree -- app.js
# shorter:
git restore -s experiment -SW -- app.js
As Jakub Narębski m...
JOIN queries vs multiple queries
...ctually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
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Find the last element of an array while using a foreach loop in PHP
...reach($arr as $key=>$value) {
if(++$i === $numItems) {
echo "last index!";
}
}
That being said, you don't -have- to iterate over an "array" using foreach in php.
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Why are we not to throw these exceptions?
...ther exceptions with very different semantics.
NullReferenceException and IndexOutOfRangeException are of a different kind. Now these are very specific exceptions, so throwing them could be fine. However, you still won’t want to throw these, as they usually mean that there are some actual mistake...
Store JSON object in data attribute in HTML jQuery
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So I ended up assigning an index to each html button: <td><button class='delete' data-index='"+i+"' >Delete</button></td>, and storing an array of JSON objects in a $objects variable. Then when a button is clicked I look at the ...
How to serve an image using nodejs
...s for most common files
serves HTML, JS, CSS, plain text and images
serves index.html as a default directory index
responds with error codes for missing files
no path traversal vulnerabilities
no race conditions while reading files
I tested every version on Node versions 4, 5, 6 and 7.
express.st...