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What is PostgreSQL explain telling me exactly?

...etty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either. ...
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Why does Pycharm's inspector complain about “d = {}”?

...: dic = {} dic['aaa'] = 5 as you could have written dic = {'aaa': 5} BTW: The fact that the error goes away if you use the function doesn't necessarily mean that pycharm believes dict() is a literal. It could just mean that it doesn't complain for: dic = dict() dic['aaa'] = 5 HTH! ...
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How to get all options of a select using jQuery?

How can I get all the options of a select through jQuery by passing on its ID? 17 Answers ...
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Split a string by another string in C#

I've been using the Split() method to split strings, but this only appears to work if you are splitting a string by a character. Is there a way to split a string , with another string being the split by parameter? ...
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How can I fill a div with an image while keeping it proportional?

I found this thread — How do you stretch an image to fill a <div> while keeping the image's aspect-ratio? — that is not entirely the thing that I want. ...
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Find value in an array

In Ruby, how can I find a value in an array? 10 Answers 10 ...
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How to pass JVM options from bootRun

I'm developing simple Spring web application that communicates with remote host and I would like to test it locally behind corporate proxy. I use "Spring Boot" gradle plugin and the question is how can I specify proxy settings for JVM? ...
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Remove border from IFrame

How would I remove the border from an iframe embedded in my web app? An example of the iframe is: 25 Answers ...
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How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. 13 Answers 13 ...
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How can I open multiple files using “with open” in Python?

... time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement: ...