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What is the copy-and-swap idiom?
What is this idiom and when should it be used? Which problems does it solve? Does the idiom change when C++11 is used?
5 An...
What is the best way to give a C# auto-property an initial value?
How do you give a C# auto-property an initial value?
22 Answers
22
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Set the value of a variable with the result of a command in a Windows batch file
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To do what Jesse describes, from a Windows batch file you will need to write:
for /f "delims=" %%a in ('ver') do @set foobar=%%a
But, I instead suggest using Cygwin on your Windows system if you are used to Unix-type scripting.
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Delete all documents from index/type without deleting type
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I believe if you combine the delete by query with a match all it should do what you are looking for, something like this (using your example):
curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{
"query" : {
"match_all" : {}
}
}'
Or you co...
Python None comparison: should I use “is” or ==?
My editor warns me when I compare my_var == None , but no warning when I use my_var is None .
3 Answers
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git ignore vim temporary files
What is the correct way to make git ignore temporary files produced by vim in all directories (either globally across the system or locally for a single project)?
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How to select multiple files with ?
How to select multiple files with <input type="file"> ?
9 Answers
9
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How to get these two divs side-by-side?
I have two divs that are not nested, one below the other. They are both within one parent div, and this parent div repeats itself. So essentially:
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How to find the width of a div using vanilla JavaScript?
...d the current width of a <div> in a cross-browser compatible way without using a library like jQuery?
8 Answers
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Convert stdClass object to array in PHP
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The easiest way is to JSON-encode your object and then decode it back to an array:
$array = json_decode(json_encode($object), true);
Or if you prefer, you can traverse the object manually, too:
foreach ($object as $value)
$array[] = $value->post_id;
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