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Android 4.3 Bluetooth Low Energy unstable
I am currently developing an application that will use Bluetooth Low Energy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that d...
String concatenation in Ruby
... the usual way
With string interpolation
source = "#{ROOT_DIR}/#{project}/App.config"
with +
source = "#{ROOT_DIR}/" + project + "/App.config"
The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uniniti...
如何查看Android应用.apk是32位还是64位？ - App应用开发 - 清泛IT社区，为创新赋能！
...APK文件的信息，包括其支持的架构。
aapt dump badging your_app.apk | grep native-code
这条命令会输出APK支持的架构信息。aapt工具包含在Android SDK的Build-tools中。
请注意，如果一个APK支持多个架构，那么它会被认为是兼容的，因为And...
async at console app in C#? [duplicate]
...oid event handler or returning a Task to your framework.
However, Console apps do not support this.
You can either just do a Wait on the returned task:
static void Main()
{
MainAsync().Wait();
// or, if you want to avoid exceptions being wrapped into AggregateException:
// MainAsync().GetA...
How to change a Git remote on Heroku
I do not want to upload my app to the wrong domain.
7 Answers
7
...
inline conditionals in angular.js
...sible solutions:
Here's a filter that will do an "immediate if" (aka iif):
app.filter('iif', function () {
return function(input, trueValue, falseValue) {
return input ? trueValue : falseValue;
};
});
and can be used like this:
{{foo == "bar" | iif : "it's true" : "no, it's not"}}
...
Link vs compile vs controller
...ML vocabulary in a declarative fashion for building web components. The ng-app attribute is a directive, so is ng-controller and all of the ng- prefixed attributes. Directives can be attributes, tags or even class names, comments.
How directives are born (compilation and instantiation)
Compile: We...
Python logging not outputting anything
...This sets the root logger to write to stdout (your console).
# Your script/app needs to call this somewhere at least once.
logging.basicConfig()
# By default the root logger is set to WARNING and all loggers you define
# inherit that value. Here we set the root logger to NOTSET. This logging
# leve...
DateTime2 vs DateTime in SQL Server
...ion.
datetimeoffset provides time zone
support for globally deployed
applications.
datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage.
...
Undefined method 'task' using Rake 0.9.0
...le:
require 'rake'
# Rake Fix Code start
# NOTE: change 'Anelis' to your app's module name (see config/application.rb)
module ::Anelis
class Application
include Rake::DSL
end
end
module ::RakeFileUtils
extend Rake::FileUtilsExt
end
# Rake Fix Code end
MyApp::Application.load_tasks
Th...