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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Get operating system info
...ing system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
7 Answers
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Content Security Policy “data” not working for base64 Images in Chrome 28
...et a CSP header with the meta http-equiv header. I included a base64 image and I'm trying to make Chrome load the image.
2 ...
How can you debug a CORS request with cURL?
...e --verbose flag prints out the entire response so you can see the request and response headers.
The url I'm using above is a sample request to a Google API that supports CORS, but you can substitute in whatever url you are testing.
The response should include the Access-Control-Allow-Origin heade...
How to completely remove borders from HTML table
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<table cellspacing="0" cellpadding="0">
And in css:
table {border: none;}
EDIT:
As iGEL noted, this solution is officially deprecated (still works though), so if you are starting from scratch, you should go with the jnpcl's border-collapse solution.
I actually...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
...ta normally send by a POST or PUT Request.
It's the part after the headers and the CRLF of a HTTP Request.
A request with Content-Type: application/json may look like this:
POST /some-path HTTP/1.1
Content-Type: application/json
{ "foo" : "bar", "name" : "John" }
If you submit this per AJAX the...
How to convert java.sql.timestamp to LocalDate (java8) java.time?
...In our case atZone(zoneId) made it explicit that we are doing a conversion and using a particular timezone for it.
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Setting table row height
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I don't understand why this has so many votes, it doesn't resolve the problem. It only works if you only have 1 line of text in the tr. This solution sets the line height, not the tr height.
– BenR
Jun...
What to do with commit made in a detached head
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Create a branch where you are, then switch to master and merge it:
git branch my-temporary-work
git checkout master
git merge my-temporary-work
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What does the (unary) * operator do in this Ruby code?
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The * is the splat operator.
It expands an Array into a list of arguments, in this case a list of arguments to the Hash.[] method. (To be more precise, it expands any object that responds to to_ary/to_a, or to_a in Ruby 1.9.)
To illustrate, the following two ...