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Java Equivalent of C# async/await?
... new CompletableFuture<>();
asyncHttpClient
.prepareGet("https://msdn.microsoft.com")
.execute(new AsyncCompletionHandler<Response>(){
@Override
public Response onCompleted(Response resp) throws Exception {
promise.complete(resp...
How are POST and GET variables handled in Python?
... I am trying to call a method in a cgi file. An example url is http://www.myserver.com/cgi-bin/cgi.py/ThisIsMyMethod. The following environmental variables are related: os.environ.get('PATH_INFO') which gets the method name (eg: /ThisIsMyMethod) and os.environ.get('SCRIPT_NAME') which provides ...
Asynchronously load images with jQuery
...ata string to the image! Great fun :). I recommend to use this site http://www.freeformatter.com/base64-encoder.html for image encoding.
$.ajax({
url : 'BASE64_IMAGE_REST_URL',
processData : false,
}).always(function(b64data){
$("#IMAGE_ID").attr("src", "data:image/png;base64,"+b64dat...
How to get URL parameter using jQuery or plain JavaScript?
... // 6
$.urlParam('param2'); // null
example params with spaces
http://www.jquery4u.com?city=Gold Coast
console.log($.urlParam('city'));
//output: Gold%20Coast
console.log(decodeURIComponent($.urlParam('city')));
//output: Gold Coast
...
How do I clone a Django model instance object and save it to the database?
...e.
More on UPDATE/INSERT here.
Official docs on copying model instances: https://docs.djangoproject.com/en/2.2/topics/db/queries/#copying-model-instances
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...
iPhone system font
... Myriad and use Helvetica after the
release of the iPhone.
From http://www.everyipod.com/iphone-faq/iphone-who-designed-iphone-font-used-iphone-ringtones.html
For iOS9 it has changed to San Fransisco. See http://developer.apple.com/fonts for more info.
...
ActionController::InvalidAuthenticityToken
...- Rails 4.2 deprecated skip_before_filter in favour of skip_before_action https://guides.rubyonrails.org/4_2_release_notes.html "The *_filter family of methods have been removed from the documentation. Their usage is discouraged in favor of the *_action family of methods"
For Rails 6 (as "collimar...
How to perform static code analysis in php? [closed]
...of course) is scheck of pfff toolset. I heard about pfff on Quora (http://www.quora.com/Is-there-a-good-PHP-lint-static-analysis-tool)
You can compile and install it. There are no nice packages (on my mint Debian, I had to install libpcre3-dev, ocaml, libcairo-dev, libgtk-3-dev and libgimp2.0-dev...
How to rsync only a specific list of files?
...per-user only)
-D : same as --devices --specials
-q : quiet (https://serverfault.com/questions/547106/run-totally-silent-rsync)
--delete
This tells rsync to delete extraneous files from the RECEIVING SIDE (ones
that AREN’T ON THE SENDING SIDE), but only for the directori...
get all keys set in memcached
... (it's Redis, but very similar approach)
Check other available commands at https://memcached.org/wiki
Check out the protocol.txt docs file.
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