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Get an element by index in jQuery
...tion: Retrieve the DOM elements matched by the jQuery object.
See: https://api.jquery.com/get/
.eq(index) Returns: jQuery
Description: Reduce the set of matched elements to the one at the specified index.
See: https://api.jquery.com/eq/
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Develop Android app using C#
Is it possible to write an android app using C#? Is there an API or something? Is it free for personal and commercial development?
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Where is HttpContent.ReadAsAsync?
...mples on the web using the new HttpClient object (as part of the new Web API) that there should be HttpContent.ReadAsAsync<T> method. However, MSDN doesn't mention this method, nor does IntelliSense find it.
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BAT file: Open new cmd window and execute a command in there
...directory, and start it
cd my-app
start cmd.exe /k "npm run dev"
:: cd to api server, and start that
cd ../my-app-api
start cmd.exe /k "npm run dev"
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Disable a method in a ViewSet, django-rest-framework
...wSet.
Example
class SampleViewSet(viewsets.ModelViewSet):
queryset = api_models.Sample.objects.all()
serializer_class = api_serializers.SampleSerializer
http_method_names = ['get', 'post', 'head']
Once you add http_method_names, you will not be able to do put and patch anymore.
If y...
What is the best practice for dealing with passwords in git repositories?
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An approach can be to set password (or API key) using an environment variable.
So this password is out of revision control.
With Bash, you can set environment variable using
export your_env_variable='your_password'
This approach can be use with continuous int...
Hiding the legend in Google Chart
I am using the Google charts API. Is there a way to hide the legend for a scatter plot?
5 Answers
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How to get current memory usage in android?
...ailableMegs = mi.availMem / 0x100000L;
//Percentage can be calculated for API 16+
double percentAvail = mi.availMem / (double)mi.totalMem * 100.0;
Explanation of the number 0x100000L
1024 bytes == 1 Kibibyte
1024 Kibibyte == 1 Mebibyte
1024 * 1024 == 1048576
1048576 == 0x...
jQuery: Check if div with certain class name exists
... is zero, it evaluates to false
if ($('div.mydivclass').length) {
http://api.jquery.com/size/
http://api.jquery.com/length/
UPDATE
The selected answer uses a perf test, but it's slightly flawed since it is also including element selection as part of the perf, which is not what's being tested he...
What's so bad about Template Haskell?
...but a lot of the time you have to do manual AST grafting and plumbing. The API is big and unwieldy, there's always a lot of cases you don't care about but still need to dispatch, and the cases you do care about tend to be present in multiple similar but not identical forms (data vs. newtype, record-...