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what is faster: in_array or isset? [closed]
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in_array: 1.738441
This builds on Jason's benchmark by filling in some random values and occasionally finding a value that exists in the array. All random, so beware that times will fluctuate.
$a = array();
for ($i = 0; $i < 10000; ++$i) {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "S...
How to assign a heredoc value to a variable in Bash?
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You can avoid a useless use of cat and handle mismatched quotes better with this:
$ read -r -d '' VAR <<'EOF'
abc'asdf"
$(dont-execute-this)
foo"bar"''
EOF
If you don't quote the variable when you echo it, newlines are lost. Quoting it preserves them:...
Get Image size WITHOUT loading image into memory
I understand that you can get the image size using PIL in the following fashion
6 Answers
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how to append a list object to another
in C++, I have two list<T> objects A and B and I want to add all the members of B to the end of A . I've searched a few different sources and haven't found a simple solution (e.i. A.append(B); ) and this surprises me a bit.
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Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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Print string and variable contents on the same line in R
Is there a way to print text and variable contents on the same line? For example,
8 Answers
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
... quotes around your file expression -- these will stop the shell (bash) expanding your wildcards.
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seek() function?
...mentation regarding the seek() function in python (after having to use it) and although it helped me I am still a bit confused on the actual meaning of what it does, any explanations are much appreciated, thank you.
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How to avoid long nesting of asynchronous functions in Node.js
... that data from my DB. I'm just a newbie in Node.js, so as far as I understand, if I want to use all of them in a single page (HTTP response) I'd have to nest them all:
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pg_config executable not found
...ed to install the Homebrew package manager first in order for the brew command to work.
– seane
Dec 2 '14 at 20:49
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