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Best way to convert strings to symbols in hash
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Ah, sorry for being unclear - inject doesn't modify the caller. You need to do my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
– Sarah Mei
Apr 29 '09 at 19:06
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Change the current directory from a Bash script
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What's the big difference between defining a function and creating an alias?
– HelloGoodbye
Jun 17 '15 at 20:46
1
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HTTP headers in Websockets client API
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Updated 2x
Short answer: No, only the path and protocol field can be specified.
Longer answer:
There is no method in the JavaScript WebSockets API for specifying additional headers for the client/browser to send. The HTTP path ("GET /xyz") and protocol header ("Sec-WebSocket-Protocol") can be sp...
Replace only text inside a div using jquery
... this is worked but how can sure to executed or not ? can i run exception if blank or tag changed? in unsuccessful bindings because this div created by code.from REST or database
– saber tabatabaee yazdi
May 1 '17 at 7:07
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Access-control-allow-origin with multiple domains
In my web.config I would like to specify more than one domain for the access-control-allow-origin directive. I don't want to use * . I've tried this syntax:
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How do you format an unsigned long long int using printf?
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Use the ll (el-el) long-long modifier with the u (unsigned) conversion. (Works in windows, GNU).
printf("%llu", 285212672);
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Avoid dropdown menu close on click inside
...dropdown to close it like this :
$('body').on('click', function (e) {
if (!$('li.dropdown.mega-dropdown').is(e.target)
&& $('li.dropdown.mega-dropdown').has(e.target).length === 0
&& $('.open').has(e.target).length === 0
) {
$('li.dropdown.mega-drop...
What is the C# equivalent to Java's isInstance()?
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@TimothyGonzalez Because it does something different. It tests whether two variables have the same type. is required a type name, by contrast. This is what OP wanted: the equivalent of Java's isInstance. The other answer is simply wrong despite the ridiculous number of...
Count cells that contain any text
...as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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Python argparse ignore unrecognised arguments
...ou want to ignore any unrecognised arguments and parse the ones you've specified.
3 Answers
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