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How to find the extension of a file in C#?
...You can check .flv signature. You can download specification here:
http://www.adobe.com/devnet/flv/
See "The FLV header" chapter.
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form serialize javascript (no framework)
...;
req.send(data);
Though it seems to be working only for POST requests.
https://developer.mozilla.org/en-US/docs/Web/API/FormData
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Correct way to write loops for promise.
....log(res);
}
}
myFunction().then(() => {
/* do other stuff */
})
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function
https://ponyfoo.com/articles/understanding-javascript-async-await
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what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...
The most convenient way is by using the nice_hash gem: https://github.com/MarioRuiz/nice_hash
require 'nice_hash'
my_str = "{ 'user': { 'name': 'foo', 'age': 40, 'location': { 'city' : 'bar', 'state': 'ca' } } }"
# on my_hash will have the json as a hash
my_hash = my_str.json
...
How to add anything in through jquery/javascript?
...on.id = 'myFavicon';
favicon.rel = 'shortcut icon';
favicon.href = 'http://www.test.com/my-favicon.ico';
document.head.appendChild(favicon);
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Rails: update_attribute vs update_attributes
...ils 4) update_attribute, update, update_column, update_columns etc. http://www.davidverhasselt.com/set-attributes-in-activerecord/. For example it differs in aspects such as running validations, touching object's updated_at or triggering callbacks.
As an answer to the OP's question update_attribute...
Is there a method to generate a UUID with go language
...
There is an official implementation by Google: https://github.com/google/uuid
Generating a version 4 UUID works like this:
package main
import (
"fmt"
"github.com/google/uuid"
)
func main() {
id := uuid.New()
fmt.Println(id.String())
}
Try it here: h...
SVN checkout ignore folder
...folder for exclusion then delete the unwanted folder.
svn checkout http://www.example.com/project
cd project
svn update --set-depth=exclude docs
rm -fr docs
From now on any updates to the working copy won't repopulate the docs folder.
See http://blogs.collab.net/subversion/2009/03/sparse-directo...
How to go to a specific element on page? [duplicate]
... works in an IFrame on an iPhone.
Example of using getElementById:
http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_document_getelementbyid
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Facebook Callback appends '#_=_' to Return URL
... I get an error no route matches, it appends # (hashtag) after request uri https://.....herokuapp.com/auth/google_oauth2/callback?state=19feaacfe23423jh5jhhGSDFwb419049ebb18dabdf8&code=4/glrY3-mSlTzwerwERTEG334eXcn3hOSxGuc51BAlglPa4AU#
...