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Java Reflection: How to get the name of a variable?
Using Java Reflection, is it possible to get the name of a local variable? For example, if I have this:
8 Answers
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How to use cURL to get jSON data and decode the data?
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I think this one will answer your question :P
$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Wil...
How can you debug a CORS request with cURL?
... using curl.
Sending a regular CORS request using cUrl:
curl -H "Origin: http://example.com" --verbose \
https://www.googleapis.com/discovery/v1/apis?fields=
The -H "Origin: http://example.com" flag is the third party domain making the request. Substitute in whatever your domain is.
The --ver...
Match multiline text using regular expression
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
R: Comment out block of code [duplicate]
... generate error messages:Error: unexpected '/' in: "#( # start of comment http:/"
– PatrickT
Mar 11 '13 at 14:32
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Adding :default => true to boolean in existing Rails column
...ls 5:
change_column_default :products, :approved, from: true, to: false
http://edgeguides.rubyonrails.org/active_record_migrations.html#changing-columns
Rails 4.2:
change_column_default :products, :approved, false
http://guides.rubyonrails.org/v4.2/active_record_migrations.html#changing-colu...
Access nested dictionary items via a list of keys?
I have a complex dictionary structure which I would like to access via a list of keys to address the correct item.
18 Answe...
Memoization in Haskell?
Any pointers on how to solve efficiently the following function in Haskell, for large numbers (n > 108)
8 Answers
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Regular Expression for alphanumeric and underscores
...nally appreciate the readability of the full POSIX character class names ( http://www.zytrax.com/tech/web/regex.htm#special ), so I'd say:
^[[:alnum:]_]+$
However, while the documentation at the above links states that \w will "Match any character in the range 0 - 9, A - Z and a - z (equivalent ...
How do I parse command line arguments in Java?
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Check these out:
http://commons.apache.org/cli/
http://www.martiansoftware.com/jsap/
http://picocli.info/
Or roll your own:
http://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html
For instance, this is how you use commons-cli ...