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How to print a string in fixed width?
...gt; f"He said his name is {name}."
'He said his name is Fred.'
This also applies to string formatting
>>> width=10
>>> string = 'sss'
>>> f'{string: <{width}}'
'sss '
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How to have Android Service communicate with Activity
I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
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AngularJS - Any way for $http.post to send request parameters instead of JSON?
... the data to param string).
Set up global transformRequest function:
var app = angular.module('myApp');
app.config(function ($httpProvider) {
$httpProvider.defaults.transformRequest = function(data){
if (data === undefined) {
return data;
}
return $.param(d...
Removing an activity from the history stack
My app shows a signup activity the first time the user runs the app, looks like:
15 Answers
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Converting an array to a function arguments list [duplicate]
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Yes. In current versions of JS you can use:
app[func]( ...args );
Users of ES5 and older will need to use the .apply() method:
app[func].apply( this, args );
Read up on these methods at MDN:
.apply()
spread "..." operator (not to be confused with the related re...
Node.js, can't open files. Error: ENOENT, stat './path/to/file'
...ot relative to the script file. So the file might be found if you run node app.js but not if you run node folder/app.js. The only exception to this is require('./file') and that is only possible because require exists per-module and thus knows what module it is being called from.
To make a path re...
PHPCMS V9不能上传图片的原因与解决方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...传图片的时候调用的编辑器地址依然用的是system.php里面'app_path' => 'http://www.主域名.com/',生成的地址呢，这样上传图片的时候，就会出现上传的时候打开页面没有权限卡死，通过一个网友在网站上发的博客，证实确实是这样BUG的...
How to implement the Android ActionBar back button?
....lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference
– Jones
Mar 15 at 21:12
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The 'Access-Control-Allow-Origin' header contains multiple values
...ularJS $http on the client side to access an endpoint of a ASP.NET Web API application on the server side. As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get...
How to fix Error: listen EADDRINUSE while using nodejs?
...d to that port. ps aux | grep node would show that. Instead of killing the application with CTRL+Z, exit the application with CTRL+C. This exits the application gracefully and the port binding is removed.
– riser101
Dec 7 '15 at 10:29
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